feat: add material categories and polish UI

backend/apps/authentication/migrations/0002_alter_user_managers_user_groups_and_more.py

@@ -0,0 +1,43 @@
+# Generated by Django 4.2.7 on 2026-03-10 07:49
+
+import django.contrib.auth.models
+import django.contrib.auth.validators
+from django.db import migrations, models
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0012_alter_user_first_name_max_length'),
+        ('authentication', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelManagers(
+            name='user',
+            managers=[
+                ('objects', django.contrib.auth.models.UserManager()),
+            ],
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='groups',
+            field=models.ManyToManyField(blank=True, help_text='The groups this user belongs to. A user will get all permissions granted to each of their groups.', related_name='user_set', related_query_name='user', to='auth.group', verbose_name='groups'),
+        ),
+        migrations.AddField(
+            model_name='user',
+            name='user_permissions',
+            field=models.ManyToManyField(blank=True, help_text='Specific permissions for this user.', related_name='user_set', related_query_name='user', to='auth.permission', verbose_name='user permissions'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='date_joined',
+            field=models.DateTimeField(default=django.utils.timezone.now, verbose_name='date joined'),
+        ),
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(error_messages={'unique': 'A user with that username already exists.'}, help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.', max_length=150, unique=True, validators=[django.contrib.auth.validators.UnicodeUsernameValidator()], verbose_name='username'),
+        ),
+    ]

backend/apps/authentication/serializers.py

@@ -33,6 +33,12 @@ class UserCreateSerializer(serializers.ModelSerializer):
     def validate(self, attrs):
         if attrs['password'] != attrs['password_confirm']:
             raise serializers.ValidationError({"password": "密码字段不匹配。"})
+        role = attrs.get('role', 'user')
+        factory = attrs.get('factory')
+        if role == 'user' and not factory:
+            raise serializers.ValidationError({"factory": "普通账号必须绑定所属工厂。"})
+        if role == 'admin' and factory:
+            raise serializers.ValidationError({"factory": "管理员账号不应绑定工厂。"})
         return attrs
 
     def create(self, validated_data):

backend/apps/authentication/views.py

@@ -1,8 +1,9 @@
-from rest_framework import generics, status
+from rest_framework import generics
 from rest_framework.decorators import api_view, permission_classes
 from rest_framework.permissions import AllowAny, IsAuthenticated
 from rest_framework.response import Response
 from rest_framework_simplejwt.views import TokenObtainPairView
+from rest_framework.exceptions import PermissionDenied
 from .models import User
 from .serializers import UserSerializer, UserCreateSerializer, CustomTokenObtainPairSerializer
 
@@ -12,16 +13,21 @@ class CustomTokenObtainPairView(TokenObtainPairView):
     自定义JWT令牌获取视图
     """
     serializer_class = CustomTokenObtainPairSerializer
+    permission_classes = [AllowAny]
 
 
 class UserListView(generics.ListCreateAPIView):
     """
     用户列表和创建视图
     """
-    queryset = User.objects.all()
     serializer_class = UserSerializer
     permission_classes = [IsAuthenticated]
 
+    def get_queryset(self):
+        if self.request.user.role == 'admin':
+            return User.objects.all()
+        return User.objects.filter(id=self.request.user.id)
+
     def get_serializer_class(self):
         if self.request.method == 'POST':
             return UserCreateSerializer
@@ -30,7 +36,7 @@ class UserListView(generics.ListCreateAPIView):
     def perform_create(self, serializer):
         # 只有管理员可以创建用户
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以创建用户")
+            raise PermissionDenied("只有管理员可以创建用户")
         serializer.save()
 
 
@@ -45,13 +51,20 @@ class UserDetailView(generics.RetrieveUpdateDestroyAPIView):
     def perform_update(self, serializer):
         # 普通用户只能修改自己的信息
         if self.request.user.role != 'admin' and self.request.user.id != self.get_object().id:
-            raise PermissionError("无权修改其他用户信息")
+            raise PermissionDenied("无权修改其他用户信息")
+
+        if self.request.user.role != 'admin':
+            allowed_fields = {'first_name', 'last_name', 'email', 'phone'}
+            for field in list(serializer.validated_data.keys()):
+                if field not in allowed_fields:
+                    serializer.validated_data.pop(field)
+
         serializer.save()
 
     def perform_destroy(self, instance):
         # 只有管理员可以删除用户
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以删除用户")
+            raise PermissionDenied("只有管理员可以删除用户")
         instance.delete()
 
 

backend/apps/dictionary/views.py

@@ -1,10 +1,10 @@
-from rest_framework import generics, status
+from rest_framework import generics
 from rest_framework.decorators import api_view, permission_classes
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
-from django.db.models import Q
+from rest_framework.exceptions import PermissionDenied
 from .models import Dictionary
-from .serializers import DictionarySerializer, DictionaryGroupSerializer
+from .serializers import DictionarySerializer
 
 
 class DictionaryListView(generics.ListCreateAPIView):
@@ -35,7 +35,7 @@ class DictionaryListView(generics.ListCreateAPIView):
     def perform_create(self, serializer):
         # 只有管理员可以创建字典
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以创建字典")
+            raise PermissionDenied("只有管理员可以创建字典")
         serializer.save()
 
 
@@ -50,13 +50,13 @@ class DictionaryDetailView(generics.RetrieveUpdateDestroyAPIView):
     def perform_update(self, serializer):
         # 只有管理员可以更新字典
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以更新字典")
+            raise PermissionDenied("只有管理员可以更新字典")
         serializer.save()
 
     def perform_destroy(self, instance):
         # 只有管理员可以删除字典
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以删除字典")
+            raise PermissionDenied("只有管理员可以删除字典")
         instance.delete()
 
 
@@ -66,7 +66,6 @@ def dictionary_grouped(request):
     """
     获取分组的数据字典
     """
-    # 获取所有字典类型
     dict_types = Dictionary.objects.values('type').distinct()
 
     result = []

backend/apps/factory/views.py

@@ -1,7 +1,8 @@
-from rest_framework import generics, status
+from rest_framework import generics
 from rest_framework.decorators import api_view, permission_classes
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
+from rest_framework.exceptions import PermissionDenied
 from .models import Factory
 from .serializers import FactorySerializer, FactoryListSerializer
 
@@ -21,7 +22,7 @@ class FactoryListView(generics.ListCreateAPIView):
     def perform_create(self, serializer):
         # 只有管理员可以创建工厂
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以创建工厂")
+            raise PermissionDenied("只有管理员可以创建工厂")
         serializer.save()
 
 
@@ -37,13 +38,13 @@ class FactoryDetailView(generics.RetrieveUpdateDestroyAPIView):
         # 普通用户只能修改自己所属工厂的信息
         if (self.request.user.role != 'admin' and 
             self.request.user.factory_id != self.get_object().id):
-            raise PermissionError("无权修改其他工厂信息")
+            raise PermissionDenied("无权修改其他工厂信息")
         serializer.save()
 
     def perform_destroy(self, instance):
         # 只有管理员可以删除工厂
         if self.request.user.role != 'admin':
-            raise PermissionError("只有管理员可以删除工厂")
+            raise PermissionDenied("只有管理员可以删除工厂")
         instance.delete()
 
 

backend/apps/material/migrations/0002_alter_material_advantage_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.2.7 on 2026-03-10 07:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('material', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='material',
+            name='advantage',
+            field=models.JSONField(blank=True, default=list, null=True, verbose_name='竞争优势'),
+        ),
+        migrations.AlterField(
+            model_name='material',
+            name='application_scene',
+            field=models.JSONField(blank=True, default=list, null=True, verbose_name='应用场景'),
+        ),
+    ]

backend/apps/material/migrations/0003_materialcategory_materialsubcategory.py

@@ -0,0 +1,45 @@
+# Generated by Django 4.2.7 on 2026-03-10 08:15
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('material', '0002_alter_material_advantage_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MaterialCategory',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='分类名称')),
+                ('value', models.CharField(max_length=255, unique=True, verbose_name='分类值')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+            ],
+            options={
+                'verbose_name': '材料分类',
+                'verbose_name_plural': '材料分类',
+                'db_table': 'material_category',
+            },
+        ),
+        migrations.CreateModel(
+            name='MaterialSubcategory',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='子分类名称')),
+                ('value', models.CharField(max_length=255, unique=True, verbose_name='子分类值')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('category', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='subcategories', to='material.materialcategory', verbose_name='所属分类')),
+            ],
+            options={
+                'verbose_name': '材料子分类',
+                'verbose_name_plural': '材料子分类',
+                'db_table': 'material_subcategory',
+            },
+        ),
+    ]

backend/apps/material/models.py

@@ -47,10 +47,10 @@ class Material(models.Model):
     material_subcategory = models.CharField(max_length=255, verbose_name='材料子分类')
     spec = models.CharField(max_length=255, blank=True, null=True, verbose_name='规格型号')
     standard = models.CharField(max_length=255, blank=True, null=True, verbose_name='符合标准')
-    application_scene = models.CharField(max_length=20, choices=APPLICATION_SCENE_CHOICES, blank=True, null=True, verbose_name='应用场景')
+    application_scene = models.JSONField(default=list, blank=True, null=True, verbose_name='应用场景')
     application_desc = models.TextField(blank=True, null=True, verbose_name='应用场景说明')
     replace_type = models.CharField(max_length=20, choices=REPLACE_TYPE_CHOICES, blank=True, null=True, verbose_name='替代材料类型')
-    advantage = models.CharField(max_length=20, choices=ADVANTAGE_CHOICES, blank=True, null=True, verbose_name='竞争优势')
+    advantage = models.JSONField(default=list, blank=True, null=True, verbose_name='竞争优势')
     advantage_desc = models.TextField(blank=True, null=True, verbose_name='优势说明')
     cost_compare = models.DecimalField(max_digits=5, decimal_places=2, blank=True, null=True, verbose_name='成本对比百分数')
     cost_desc = models.TextField(blank=True, null=True, verbose_name='成本说明')
@@ -76,3 +76,40 @@ class Material(models.Model):
 
     def __str__(self):
         return self.name
+
+
+class MaterialCategory(models.Model):
+    """
+    材料分类
+    """
+    name = models.CharField(max_length=255, verbose_name='分类名称')
+    value = models.CharField(max_length=255, unique=True, verbose_name='分类值')
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')
+    updated_at = models.DateTimeField(auto_now=True, verbose_name='更新时间')
+
+    class Meta:
+        verbose_name = '材料分类'
+        verbose_name_plural = '材料分类'
+        db_table = 'material_category'
+
+    def __str__(self):
+        return self.name
+
+
+class MaterialSubcategory(models.Model):
+    """
+    材料子分类
+    """
+    category = models.ForeignKey(MaterialCategory, on_delete=models.CASCADE, related_name='subcategories', verbose_name='所属分类')
+    name = models.CharField(max_length=255, verbose_name='子分类名称')
+    value = models.CharField(max_length=255, unique=True, verbose_name='子分类值')
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name='创建时间')
+    updated_at = models.DateTimeField(auto_now=True, verbose_name='更新时间')
+
+    class Meta:
+        verbose_name = '材料子分类'
+        verbose_name_plural = '材料子分类'
+        db_table = 'material_subcategory'
+
+    def __str__(self):
+        return self.name

backend/apps/material/serializers.py

@@ -1,5 +1,16 @@
+import json
 from rest_framework import serializers
-from .models import Material
+from .models import Material, MaterialCategory, MaterialSubcategory
+
+
+class JSONListField(serializers.ListField):
+    def to_internal_value(self, data):
+        if isinstance(data, str):
+            try:
+                data = json.loads(data)
+            except json.JSONDecodeError:
+                data = [data]
+        return super().to_internal_value(data)
 
 
 class MaterialSerializer(serializers.ModelSerializer):
@@ -10,8 +21,18 @@ class MaterialSerializer(serializers.ModelSerializer):
     factory_short_name = serializers.CharField(source='factory.factory_short_name', read_only=True)
     major_category_display = serializers.CharField(source='get_major_category_display', read_only=True)
     replace_type_display = serializers.CharField(source='get_replace_type_display', read_only=True)
-    advantage_display = serializers.CharField(source='get_advantage_display', read_only=True)
-    application_scene_display = serializers.CharField(source='get_application_scene_display', read_only=True)
+    application_scene = JSONListField(
+        child=serializers.ChoiceField(choices=Material.APPLICATION_SCENE_CHOICES),
+        required=False,
+        allow_empty=True
+    )
+    advantage = JSONListField(
+        child=serializers.ChoiceField(choices=Material.ADVANTAGE_CHOICES),
+        required=False,
+        allow_empty=True
+    )
+    advantage_display = serializers.SerializerMethodField()
+    application_scene_display = serializers.SerializerMethodField()
     brochure_url = serializers.SerializerMethodField()
 
     class Meta:
@@ -37,6 +58,20 @@ class MaterialSerializer(serializers.ModelSerializer):
                 return request.build_absolute_uri(obj.brochure.url)
         return None
 
+    def _display_list(self, codes, choices):
+        mapping = dict(choices)
+        if not codes:
+            return []
+        if isinstance(codes, str):
+            codes = [codes]
+        return [mapping.get(code, code) for code in codes]
+
+    def get_application_scene_display(self, obj):
+        return self._display_list(obj.application_scene, Material.APPLICATION_SCENE_CHOICES)
+
+    def get_advantage_display(self, obj):
+        return self._display_list(obj.advantage, Material.ADVANTAGE_CHOICES)
+
 
 class MaterialListSerializer(serializers.ModelSerializer):
     """
@@ -52,3 +87,30 @@ class MaterialListSerializer(serializers.ModelSerializer):
         fields = ['id', 'name', 'major_category', 'major_category_display', 
                   'material_category', 'material_subcategory', 'factory', 
                   'factory_name', 'factory_short_name', 'status', 'status_display']
+
+
+class MaterialCategorySerializer(serializers.ModelSerializer):
+    """
+    材料分类序列化器
+    """
+    subcategory_count = serializers.SerializerMethodField()
+
+    class Meta:
+        model = MaterialCategory
+        fields = ['id', 'name', 'value', 'created_at', 'updated_at', 'subcategory_count']
+        read_only_fields = ['id', 'created_at', 'updated_at', 'subcategory_count']
+
+    def get_subcategory_count(self, obj):
+        return obj.subcategories.count()
+
+
+class MaterialSubcategorySerializer(serializers.ModelSerializer):
+    """
+    材料子分类序列化器
+    """
+    category_name = serializers.CharField(source='category.name', read_only=True)
+
+    class Meta:
+        model = MaterialSubcategory
+        fields = ['id', 'category', 'category_name', 'name', 'value', 'created_at', 'updated_at']
+        read_only_fields = ['id', 'created_at', 'updated_at', 'category_name']

backend/apps/material/urls.py

@@ -1,10 +1,14 @@
 from django.urls import path, include
 from rest_framework.routers import DefaultRouter
-from .views import MaterialViewSet
+from .views import MaterialViewSet, MaterialCategoryViewSet, MaterialSubcategoryViewSet
 
 router = DefaultRouter()
 router.register(r'', MaterialViewSet, basename='material')
 
 urlpatterns = [
+    path('categories/', MaterialCategoryViewSet.as_view({'get': 'list', 'post': 'create'}), name='material-category-list'),
+    path('categories/<int:pk>/', MaterialCategoryViewSet.as_view({'get': 'retrieve', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'}), name='material-category-detail'),
+    path('subcategories/', MaterialSubcategoryViewSet.as_view({'get': 'list', 'post': 'create'}), name='material-subcategory-list'),
+    path('subcategories/<int:pk>/', MaterialSubcategoryViewSet.as_view({'get': 'retrieve', 'put': 'update', 'patch': 'partial_update', 'delete': 'destroy'}), name='material-subcategory-detail'),
     path('', include(router.urls)),
 ]

backend/apps/material/views.py

@@ -1,10 +1,11 @@
 from rest_framework import generics, status
-from rest_framework.decorators import api_view, permission_classes, action
+from rest_framework.decorators import api_view, action
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
 from rest_framework.viewsets import ModelViewSet
-from .models import Material
-from .serializers import MaterialSerializer, MaterialListSerializer
+from rest_framework.exceptions import PermissionDenied
+from .models import Material, MaterialCategory, MaterialSubcategory
+from .serializers import MaterialSerializer, MaterialListSerializer, MaterialCategorySerializer, MaterialSubcategorySerializer
 
 
 class MaterialViewSet(ModelViewSet):
@@ -28,6 +29,11 @@ class MaterialViewSet(ModelViewSet):
         if status_filter:
             queryset = queryset.filter(status=status_filter)
 
+        # 支持按名称搜索
+        name = self.request.query_params.get('name')
+        if name:
+            queryset = queryset.filter(name__icontains=name)
+
         # 支持按工厂过滤
         factory_id = self.request.query_params.get('factory_id')
         if factory_id:
@@ -38,11 +44,26 @@ class MaterialViewSet(ModelViewSet):
         if major_category:
             queryset = queryset.filter(major_category=major_category)
 
+        # 支持按材料分类过滤
+        material_category = self.request.query_params.get('material_category')
+        if material_category:
+            queryset = queryset.filter(material_category=material_category)
+
         # 支持按材料子类过滤
         material_subcategory = self.request.query_params.get('material_subcategory')
         if material_subcategory:
             queryset = queryset.filter(material_subcategory=material_subcategory)
 
+        # 支持按应用场景过滤 (JSONField contains)
+        application_scene = self.request.query_params.get('application_scene')
+        if application_scene:
+            queryset = queryset.filter(application_scene__contains=[application_scene])
+
+        # 支持按竞争优势过滤 (JSONField contains)
+        advantage = self.request.query_params.get('advantage')
+        if advantage:
+            queryset = queryset.filter(advantage__contains=[advantage])
+
         return queryset
 
     def get_serializer_class(self):
@@ -70,7 +91,7 @@ class MaterialViewSet(ModelViewSet):
         # 普通用户只能更新自己工厂的材料
         if (self.request.user.role != 'admin' and 
             self.request.user.factory_id != self.get_object().factory_id):
-            raise PermissionError("无权修改其他工厂的材料")
+            raise PermissionDenied("无权修改其他工厂的材料")
         serializer.save()
 
     def perform_destroy(self, instance):
@@ -80,7 +101,7 @@ class MaterialViewSet(ModelViewSet):
         # 普通用户只能删除自己工厂的材料
         if (self.request.user.role != 'admin' and 
             self.request.user.factory_id != instance.factory_id):
-            raise PermissionError("无权删除其他工厂的材料")
+            raise PermissionDenied("无权删除其他工厂的材料")
         instance.delete()
 
     @action(detail=True, methods=['post'])
@@ -153,3 +174,72 @@ class MaterialViewSet(ModelViewSet):
         material.status = 'draft'
         material.save()
         return Response({"status": "审核拒绝"})
+
+    @action(detail=False, methods=['get'])
+    def choices(self, request):
+        """
+        材料字段枚举
+        """
+        return Response({
+            'major_category': Material.MAJOR_CATEGORY_CHOICES,
+            'replace_type': Material.REPLACE_TYPE_CHOICES,
+            'advantage': Material.ADVANTAGE_CHOICES,
+            'application_scene': Material.APPLICATION_SCENE_CHOICES,
+            'star_level': Material.STAR_LEVEL_CHOICES,
+            'status': Material.STATUS_CHOICES,
+        })
+
+
+class MaterialCategoryViewSet(ModelViewSet):
+    """
+    材料分类视图集
+    """
+    queryset = MaterialCategory.objects.all().order_by('id')
+    serializer_class = MaterialCategorySerializer
+    permission_classes = [IsAuthenticated]
+
+    def perform_create(self, serializer):
+        if self.request.user.role != 'admin':
+            raise PermissionDenied("只有管理员可以创建材料分类")
+        serializer.save()
+
+    def perform_update(self, serializer):
+        if self.request.user.role != 'admin':
+            raise PermissionDenied("只有管理员可以更新材料分类")
+        serializer.save()
+
+    def perform_destroy(self, instance):
+        if self.request.user.role != 'admin':
+            raise PermissionDenied("只有管理员可以删除材料分类")
+        instance.delete()
+
+
+class MaterialSubcategoryViewSet(ModelViewSet):
+    """
+    材料子分类视图集
+    """
+    queryset = MaterialSubcategory.objects.select_related('category').all().order_by('id')
+    serializer_class = MaterialSubcategorySerializer
+    permission_classes = [IsAuthenticated]
+
+    def get_queryset(self):
+        queryset = super().get_queryset()
+        category_id = self.request.query_params.get('category_id')
+        if category_id:
+            queryset = queryset.filter(category_id=category_id)
+        return queryset
+
+    def perform_create(self, serializer):
+        if self.request.user.role != 'admin':
+            raise PermissionDenied("只有管理员可以创建材料子分类")
+        serializer.save()
+
+    def perform_update(self, serializer):
+        if self.request.user.role != 'admin':
+            raise PermissionDenied("只有管理员可以更新材料子分类")
+        serializer.save()
+
+    def perform_destroy(self, instance):
+        if self.request.user.role != 'admin':
+            raise PermissionDenied("只有管理员可以删除材料子分类")
+        instance.delete()

backend/apps/statistics/views.py

@@ -1,42 +1,50 @@
 from rest_framework.decorators import api_view, permission_classes
 from rest_framework.permissions import IsAuthenticated
 from rest_framework.response import Response
-from django.db.models import Count, Q
+from django.db.models import Count
 from apps.material.models import Material
 from apps.factory.models import Factory
 
 
+def _build_brochure_url(request, brochure_field):
+    if brochure_field and request:
+        return request.build_absolute_uri(brochure_field.url)
+    return None
+
+
 @api_view(['GET'])
 @permission_classes([IsAuthenticated])
 def overview_statistics(request):
     """
     数据总览统计
     """
-    # 只有管理员可以访问
+    # 只有管理员可访问
     if request.user.role != 'admin':
         return Response({"detail": "无权访问"}, status=403)
 
+    approved_materials = Material.objects.filter(status='approved')
+
     # 材料总数
-    total_materials = Material.objects.count()
+    total_materials = approved_materials.count()
 
     # 材料种类（材料子类数量）
-    total_material_categories = Material.objects.values('material_subcategory').distinct().count()
+    total_material_categories = approved_materials.values('material_subcategory').distinct().count()
 
     # 品牌数（工厂数）
     total_brands = Factory.objects.count()
 
     # 按专业类别的材料数量分布
-    major_category_stats = Material.objects.values('major_category').annotate(
+    major_category_stats = approved_materials.values('major_category').annotate(
         count=Count('id')
     ).order_by('-count')
 
     # 按材料子类的材料数量分布
-    material_subcategory_stats = Material.objects.values('material_subcategory').annotate(
+    material_subcategory_stats = approved_materials.values('material_subcategory').annotate(
         count=Count('id')
-    ).order_by('-count')[:10]  # 取前10个
+    ).order_by('-count')[:10]
 
     # 按所属品牌的材料数量分布
-    brand_stats = Material.objects.values('factory__factory_name').annotate(
+    brand_stats = approved_materials.values('factory__factory_name').annotate(
         count=Count('id')
     ).order_by('-count')
 
@@ -45,12 +53,16 @@ def overview_statistics(request):
         count=Count('id')
     ).order_by('-count')
 
-    # 应用案例列表（有案例描述的材料）
-    cases_list = Material.objects.filter(
-        status='approved',
-        cases__isnull=False,
-        cases__gt=''
-    ).values('id', 'name', 'cases', 'factory__factory_name')[:10]
+    # 应用案例列表
+    cases_list = []
+    for item in approved_materials.filter(cases__isnull=False).exclude(cases='')[:10]:
+        cases_list.append({
+            'id': item.id,
+            'name': item.name,
+            'cases': item.cases,
+            'factory_name': item.factory.factory_name if item.factory else None,
+            'brochure_url': _build_brochure_url(request, item.brochure),
+        })
 
     return Response({
         'total_materials': total_materials,
@@ -60,7 +72,7 @@ def overview_statistics(request):
         'material_subcategory_stats': list(material_subcategory_stats),
         'brand_stats': list(brand_stats),
         'region_stats': list(region_stats),
-        'cases_list': list(cases_list),
+        'cases_list': cases_list,
     })
 
 
@@ -70,53 +82,79 @@ def material_statistics(request):
     """
     材料库统计
     """
-    # 只有管理员可以访问
     if request.user.role != 'admin':
         return Response({"detail": "无权访问"}, status=403)
 
-    # 获取筛选条件
     material_subcategory = request.query_params.get('material_subcategory')
-
-    # 基础查询
     queryset = Material.objects.filter(status='approved')
 
-    # 按材料子类筛选
     if material_subcategory:
         queryset = queryset.filter(material_subcategory=material_subcategory)
 
-    # 材料星级对比（按材料子类）
-    star_stats = {}
-    for subcategory in queryset.values_list('material_subcategory', flat=True).distinct():
-        materials = queryset.filter(material_subcategory=subcategory)
-        star_stats[subcategory] = {
-            'quality_level': list(materials.values('quality_level').annotate(count=Count('id'))),
-            'durability_level': list(materials.values('durability_level').annotate(count=Count('id'))),
-            'eco_level': list(materials.values('eco_level').annotate(count=Count('id'))),
-            'carbon_level': list(materials.values('carbon_level').annotate(count=Count('id'))),
-            'score_level': list(materials.values('score_level').annotate(count=Count('id'))),
-        }
+    subcategories = list(Material.objects.filter(status='approved').values_list(
+        'material_subcategory', flat=True
+    ).distinct())
 
-    # 竞争优势与替代材料对比
-    advantage_replace_stats = list(queryset.values('advantage', 'replace_type').annotate(
-        count=Count('id')
-    ))
+    def _level_counts(qs, field):
+        raw = qs.values(field).annotate(count=Count('id'))
+        mapping = {item[field]: item['count'] for item in raw if item[field] is not None}
+        return [mapping.get(1, 0), mapping.get(2, 0), mapping.get(3, 0)]
 
-    # 应用场景对比
-    application_scene_stats = list(queryset.values('application_scene').annotate(
-        count=Count('id')
-    ))
+    star_stats = {
+        'quality_level': _level_counts(queryset, 'quality_level'),
+        'durability_level': _level_counts(queryset, 'durability_level'),
+        'eco_level': _level_counts(queryset, 'eco_level'),
+        'carbon_level': _level_counts(queryset, 'carbon_level'),
+        'score_level': _level_counts(queryset, 'score_level'),
+    }
+
+    # 竞争优势与替代材料对比（优势为多选）
+    advantage_replace_counter = {}
+    for material in queryset:
+        advantages = material.advantage or []
+        for adv in advantages:
+            key = (adv, material.replace_type)
+            advantage_replace_counter[key] = advantage_replace_counter.get(key, 0) + 1
+
+    advantage_replace_stats = [
+        {'advantage': key[0], 'replace_type': key[1], 'count': count}
+        for key, count in advantage_replace_counter.items()
+    ]
+
+    # 应用场景对比（多选）
+    application_scene_counter = {}
+    for material in queryset:
+        scenes = material.application_scene or []
+        for scene in scenes:
+            application_scene_counter[scene] = application_scene_counter.get(scene, 0) + 1
+
+    application_scene_stats = [
+        {'application_scene': key, 'count': count}
+        for key, count in application_scene_counter.items()
+    ]
 
     # 材料列表
-    materials_list = list(queryset.values(
-        'id', 'name', 'material_category', 'material_subcategory', 
-        'factory__factory_name', 'brochure'
-    )[:20])
+    materials_list = []
+    for item in queryset[:20]:
+        materials_list.append({
+            'id': item.id,
+            'name': item.name,
+            'material_category': item.material_category,
+            'material_subcategory': item.material_subcategory,
+            'factory_name': item.factory.factory_name if item.factory else None,
+            'brochure_url': _build_brochure_url(request, item.brochure),
+        })
 
     return Response({
+        'levels': [1, 2, 3],
+        'subcategories': subcategories,
         'star_stats': star_stats,
         'advantage_replace_stats': advantage_replace_stats,
         'application_scene_stats': application_scene_stats,
         'materials_list': materials_list,
+        'advantage_choices': Material.ADVANTAGE_CHOICES,
+        'replace_type_choices': Material.REPLACE_TYPE_CHOICES,
+        'application_scene_choices': Material.APPLICATION_SCENE_CHOICES,
     })
 
 
@@ -126,19 +164,17 @@ def factory_statistics(request):
     """
     工厂库统计
     """
-    # 只有管理员可以访问
     if request.user.role != 'admin':
         return Response({"detail": "无权访问"}, status=403)
 
-    # 工厂地区分布
     region_stats = list(Factory.objects.values('province', 'city').annotate(
         count=Count('id')
     ).order_by('-count'))
 
-    # 工厂材料分类分布
     factory_category_stats = []
+    approved_materials = Material.objects.filter(status='approved')
     for factory in Factory.objects.all():
-        material_categories = Material.objects.filter(factory=factory).values(
+        material_categories = approved_materials.filter(factory=factory).values(
             'material_category'
         ).annotate(
             count=Count('id')
@@ -148,10 +184,9 @@ def factory_statistics(request):
             'factory_id': factory.id,
             'factory_name': factory.factory_name,
             'categories': list(material_categories),
-            'total_materials': factory.materials.count()
+            'total_materials': approved_materials.filter(factory=factory).count()
         })
 
-    # 工厂列表
     factories_list = list(Factory.objects.values(
         'id', 'factory_name', 'factory_short_name', 'province', 'city', 'website'
     ))

frontend/.env.development

@@ -0,0 +1 @@
+VITE_API_BASE_URL=http://127.0.0.1:8000/api

frontend/index.html

@@ -0,0 +1,12 @@
+<!doctype html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>新材料数据库</title>
+  </head>
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>

frontend/package.json

@@ -0,0 +1,23 @@
+{
+  "name": "new-materials-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "dependencies": {
+    "axios": "^1.6.8",
+    "echarts": "^5.5.0",
+    "element-china-area-data": "^5.0.0",
+    "element-plus": "^2.7.3",
+    "vue": "^3.4.21",
+    "vue-router": "^4.3.0"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.0.4",
+    "vite": "^5.2.10"
+  }
+}

frontend/src/App.vue

@@ -0,0 +1,3 @@
+<template>
+  <router-view />
+</template>

frontend/src/api/auth.js

@@ -0,0 +1,31 @@
+import api from './client'
+
+export const login = async (payload) => {
+  const { data } = await api.post('/auth/login/', payload)
+  return data
+}
+
+export const fetchCurrentUser = async () => {
+  const { data } = await api.get('/auth/user/')
+  return data
+}
+
+export const fetchUsers = async (params) => {
+  const { data } = await api.get('/auth/users/', { params })
+  return data
+}
+
+export const createUser = async (payload) => {
+  const { data } = await api.post('/auth/users/', payload)
+  return data
+}
+
+export const updateUser = async (id, payload) => {
+  const { data } = await api.put(`/auth/users/${id}/`, payload)
+  return data
+}
+
+export const deleteUser = async (id) => {
+  const { data } = await api.delete(`/auth/users/${id}/`)
+  return data
+}

frontend/src/api/category.js

@@ -0,0 +1,41 @@
+import api from './client'
+
+export const fetchCategories = async () => {
+  const { data } = await api.get('/material/categories/')
+  return data
+}
+
+export const createCategory = async (payload) => {
+  const { data } = await api.post('/material/categories/', payload)
+  return data
+}
+
+export const updateCategory = async (id, payload) => {
+  const { data } = await api.put(`/material/categories/${id}/`, payload)
+  return data
+}
+
+export const deleteCategory = async (id) => {
+  const { data } = await api.delete(`/material/categories/${id}/`)
+  return data
+}
+
+export const fetchSubcategories = async (params) => {
+  const { data } = await api.get('/material/subcategories/', { params })
+  return data
+}
+
+export const createSubcategory = async (payload) => {
+  const { data } = await api.post('/material/subcategories/', payload)
+  return data
+}
+
+export const updateSubcategory = async (id, payload) => {
+  const { data } = await api.put(`/material/subcategories/${id}/`, payload)
+  return data
+}
+
+export const deleteSubcategory = async (id) => {
+  const { data } = await api.delete(`/material/subcategories/${id}/`)
+  return data
+}

frontend/src/api/client.js

@@ -0,0 +1,28 @@
+import axios from 'axios'
+import { useAuth } from '@/store/auth'
+
+const api = axios.create({
+  baseURL: import.meta.env.VITE_API_BASE_URL || '/api',
+  timeout: 15000
+})
+
+api.interceptors.request.use((config) => {
+  const { state } = useAuth()
+  if (state.token) {
+    config.headers.Authorization = `Bearer ${state.token}`
+  }
+  return config
+})
+
+api.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    if (error.response?.status === 401) {
+      const { clearAuth } = useAuth()
+      clearAuth()
+    }
+    return Promise.reject(error)
+  }
+)
+
+export default api

frontend/src/api/dictionary.js

@@ -0,0 +1,26 @@
+import api from './client'
+
+export const fetchDictionary = async (params) => {
+  const { data } = await api.get('/dictionary/', { params })
+  return data
+}
+
+export const fetchDictionaryGrouped = async () => {
+  const { data } = await api.get('/dictionary/grouped/')
+  return data
+}
+
+export const createDictionary = async (payload) => {
+  const { data } = await api.post('/dictionary/', payload)
+  return data
+}
+
+export const updateDictionary = async (id, payload) => {
+  const { data } = await api.put(`/dictionary/${id}/`, payload)
+  return data
+}
+
+export const deleteDictionary = async (id) => {
+  const { data } = await api.delete(`/dictionary/${id}/`)
+  return data
+}

frontend/src/api/factory.js

@@ -0,0 +1,31 @@
+import api from './client'
+
+export const fetchFactories = async (params) => {
+  const { data } = await api.get('/factory/', { params })
+  return data
+}
+
+export const fetchFactorySimple = async () => {
+  const { data } = await api.get('/factory/simple/')
+  return data
+}
+
+export const fetchFactoryDetail = async (id) => {
+  const { data } = await api.get(`/factory/${id}/`)
+  return data
+}
+
+export const createFactory = async (payload) => {
+  const { data } = await api.post('/factory/', payload)
+  return data
+}
+
+export const updateFactory = async (id, payload) => {
+  const { data } = await api.put(`/factory/${id}/`, payload)
+  return data
+}
+
+export const deleteFactory = async (id) => {
+  const { data } = await api.delete(`/factory/${id}/`)
+  return data
+}

frontend/src/api/material.js

@@ -0,0 +1,65 @@
+import api from './client'
+
+const toFormData = (payload) => {
+  const form = new FormData()
+  Object.entries(payload).forEach(([key, value]) => {
+    if (value === undefined || value === null) return
+    if (Array.isArray(value)) {
+      form.append(key, JSON.stringify(value))
+      return
+    }
+    form.append(key, value)
+  })
+  return form
+}
+
+export const fetchMaterials = async (params) => {
+  const { data } = await api.get('/material/', { params })
+  return data
+}
+
+export const fetchMaterialDetail = async (id) => {
+  const { data } = await api.get(`/material/${id}/`)
+  return data
+}
+
+export const createMaterial = async (payload, withFile = false) => {
+  const dataPayload = withFile ? toFormData(payload) : payload
+  const { data } = await api.post('/material/', dataPayload, {
+    headers: withFile ? { 'Content-Type': 'multipart/form-data' } : undefined
+  })
+  return data
+}
+
+export const updateMaterial = async (id, payload, withFile = false) => {
+  const dataPayload = withFile ? toFormData(payload) : payload
+  const { data } = await api.put(`/material/${id}/`, dataPayload, {
+    headers: withFile ? { 'Content-Type': 'multipart/form-data' } : undefined
+  })
+  return data
+}
+
+export const deleteMaterial = async (id) => {
+  const { data } = await api.delete(`/material/${id}/`)
+  return data
+}
+
+export const submitMaterial = async (id) => {
+  const { data } = await api.post(`/material/${id}/submit/`)
+  return data
+}
+
+export const approveMaterial = async (id) => {
+  const { data } = await api.post(`/material/${id}/approve/`)
+  return data
+}
+
+export const rejectMaterial = async (id) => {
+  const { data } = await api.post(`/material/${id}/reject/`)
+  return data
+}
+
+export const fetchMaterialChoices = async () => {
+  const { data } = await api.get('/material/choices/')
+  return data
+}

frontend/src/api/statistics.js

@@ -0,0 +1,16 @@
+import api from './client'
+
+export const fetchOverviewStats = async () => {
+  const { data } = await api.get('/statistics/overview/')
+  return data
+}
+
+export const fetchMaterialStats = async (params) => {
+  const { data } = await api.get('/statistics/materials/', { params })
+  return data
+}
+
+export const fetchFactoryStats = async () => {
+  const { data } = await api.get('/statistics/factories/')
+  return data
+}

frontend/src/layouts/MainLayout.vue

@@ -0,0 +1,148 @@
+<template>
+  <div class="layout">
+    <aside class="sidebar">
+      <div class="logo">
+        <div class="logo-title">新材料数据库</div>
+        <div class="logo-sub">管理系统</div>
+      </div>
+      <el-menu
+        :default-active="active"
+        class="menu"
+        router
+      >
+        <el-menu-item v-if="isAdmin" index="/users">用户管理</el-menu-item>
+        <el-menu-item index="/factories">工厂管理</el-menu-item>
+        <el-menu-item v-if="isAdmin" index="/dictionary">材料分类管理</el-menu-item>
+        <el-menu-item index="/materials">材料管理</el-menu-item>
+        <el-menu-item v-if="isAdmin" index="/screen/overview">数据大屏</el-menu-item>
+      </el-menu>
+    </aside>
+    <main class="main">
+      <header class="topbar">
+        <div class="breadcrumb">{{ title }}</div>
+        <div class="user">
+          <div class="user-info">
+            <div class="name">{{ user?.username || '用户' }}</div>
+            <div class="role">{{ isAdmin ? '管理员' : '普通账号' }}</div>
+          </div>
+          <el-button size="small" @click="onLogout">退出</el-button>
+        </div>
+      </header>
+      <section class="content">
+        <router-view />
+      </section>
+    </main>
+  </div>
+</template>
+
+<script setup>
+import { computed } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { useAuth } from '@/store/auth'
+
+const route = useRoute()
+const router = useRouter()
+const { state, isAdmin, clearAuth } = useAuth()
+
+const active = computed(() => route.path)
+const titleMap = {
+  '/users': '用户管理',
+  '/factories': '工厂管理',
+  '/dictionary': '材料分类管理',
+  '/materials': '材料管理'
+}
+const title = computed(() => titleMap[`/${route.path.split('/')[1]}`] || '系统首页')
+const user = computed(() => state.user)
+
+const onLogout = () => {
+  clearAuth()
+  router.push('/login')
+}
+</script>
+
+<style scoped>
+.layout {
+  display: flex;
+  min-height: 100vh;
+}
+
+.sidebar {
+  width: 220px;
+  background: linear-gradient(180deg, var(--brand-900), var(--brand-950));
+  color: #fff;
+  display: flex;
+  flex-direction: column;
+}
+
+.logo {
+  padding: 20px 18px;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
+}
+
+.logo-title {
+  font-size: 18px;
+  font-weight: 600;
+}
+
+.logo-sub {
+  font-size: 12px;
+  color: rgba(255, 255, 255, 0.6);
+}
+
+.menu {
+  border-right: none;
+  background: transparent;
+  color: #fff;
+}
+
+:deep(.el-menu-item) {
+  color: #fff;
+  transition: all 0.2s ease;
+}
+
+:deep(.el-menu-item.is-active) {
+  color: #7cb4e3;
+  background-color: rgba(255, 255, 255, 0.12);
+  box-shadow: inset 3px 0 0 #7cb4e3;
+}
+
+:deep(.el-menu-item:hover) {
+  color: #fff;
+  background-color: rgba(255, 255, 255, 0.08);
+}
+
+.main {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+}
+
+.topbar {
+  height: 64px;
+  padding: 0 24px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  background: #fff;
+  box-shadow: 0 12px 24px rgba(15, 26, 42, 0.08);
+}
+
+.user {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.user-info {
+  text-align: right;
+}
+
+.content {
+  flex: 1;
+  background: var(--bg);
+}
+
+.breadcrumb {
+  font-weight: 600;
+}
+</style>

frontend/src/layouts/ScreenLayout.vue

@@ -0,0 +1,41 @@
+<template>
+  <div class="screen-layout">
+    <header class="screen-header">
+      <div class="screen-title">新材料管理数据中心</div>
+      <nav class="screen-nav">
+        <router-link to="/screen/overview" :class="{ active: isActive('/screen/overview') }">数据总览</router-link>
+        <router-link to="/screen/materials" :class="{ active: isActive('/screen/materials') }">材料库</router-link>
+        <router-link to="/screen/factories" :class="{ active: isActive('/screen/factories') }">工厂库</router-link>
+      </nav>
+      <button class="screen-back" @click="goBack">返回</button>
+    </header>
+    <section class="screen-content">
+      <router-view />
+    </section>
+  </div>
+</template>
+
+<script setup>
+import { onMounted, onBeforeUnmount } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+
+const route = useRoute()
+const router = useRouter()
+const isActive = (path) => route.path === path
+
+const goBack = () => {
+  router.push('/materials')
+}
+
+onMounted(() => {
+  document.body.classList.add('screen-body')
+})
+
+onBeforeUnmount(() => {
+  document.body.classList.remove('screen-body')
+})
+</script>
+
+<style>
+@import '@/styles/screen.css';
+</style>

frontend/src/main.js

@@ -0,0 +1,11 @@
+import { createApp } from 'vue'
+import App from './App.vue'
+import router from './router'
+import ElementPlus from 'element-plus'
+import 'element-plus/dist/index.css'
+import './styles/base.css'
+
+const app = createApp(App)
+app.use(router)
+app.use(ElementPlus)
+app.mount('#app')

frontend/src/router/index.js

@@ -0,0 +1,68 @@
+import { createRouter, createWebHistory } from 'vue-router'
+import { useAuth } from '@/store/auth'
+import MainLayout from '@/layouts/MainLayout.vue'
+import ScreenLayout from '@/layouts/ScreenLayout.vue'
+
+const routes = [
+  {
+    path: '/login',
+    name: 'login',
+    component: () => import('@/views/Login.vue'),
+    meta: { public: true }
+  },
+  {
+    path: '/',
+    component: MainLayout,
+    redirect: '/materials',
+    children: [
+      { path: 'users', name: 'users', component: () => import('@/views/UserManage.vue'), meta: { admin: true } },
+      { path: 'factories', name: 'factories', component: () => import('@/views/FactoryManage.vue') },
+      { path: 'factories/:id', name: 'factory-detail', component: () => import('@/views/FactoryDetail.vue') },
+      { path: 'dictionary', name: 'dictionary', component: () => import('@/views/DictionaryManage.vue'), meta: { admin: true } },
+      { path: 'materials', name: 'materials', component: () => import('@/views/MaterialManage.vue') },
+      { path: 'materials/:id', name: 'material-detail', component: () => import('@/views/MaterialDetail.vue') }
+    ]
+  },
+  {
+    path: '/screen',
+    component: ScreenLayout,
+    meta: { admin: true },
+    redirect: '/screen/overview',
+    children: [
+      { path: 'overview', name: 'screen-overview', component: () => import('@/views/screen/ScreenOverview.vue') },
+      { path: 'materials', name: 'screen-materials', component: () => import('@/views/screen/ScreenMaterials.vue') },
+      { path: 'factories', name: 'screen-factories', component: () => import('@/views/screen/ScreenFactories.vue') }
+    ]
+  },
+  {
+    path: '/:pathMatch(.*)*',
+    name: 'notfound',
+    component: () => import('@/views/NotFound.vue'),
+    meta: { public: true }
+  }
+]
+
+const router = createRouter({
+  history: createWebHistory(),
+  routes
+})
+
+router.beforeEach((to, from, next) => {
+  const { isAuthed, isAdmin } = useAuth()
+
+  if (to.meta.public) {
+    return next()
+  }
+
+  if (!isAuthed.value) {
+    return next('/login')
+  }
+
+  if (to.meta.admin && !isAdmin.value) {
+    return next('/materials')
+  }
+
+  return next()
+})
+
+export default router

frontend/src/store/auth.js

@@ -0,0 +1,30 @@
+import { reactive, computed } from 'vue'
+
+const tokenKey = 'nm_token'
+const userKey = 'nm_user'
+
+const state = reactive({
+  token: localStorage.getItem(tokenKey) || '',
+  user: JSON.parse(localStorage.getItem(userKey) || 'null')
+})
+
+export const useAuth = () => {
+  const isAuthed = computed(() => !!state.token)
+  const isAdmin = computed(() => state.user?.role === 'admin')
+
+  const setAuth = (token, user) => {
+    state.token = token
+    state.user = user
+    localStorage.setItem(tokenKey, token)
+    localStorage.setItem(userKey, JSON.stringify(user))
+  }
+
+  const clearAuth = () => {
+    state.token = ''
+    state.user = null
+    localStorage.removeItem(tokenKey)
+    localStorage.removeItem(userKey)
+  }
+
+  return { state, isAuthed, isAdmin, setAuth, clearAuth }
+}

frontend/src/styles/base.css

@@ -0,0 +1,117 @@
+:root {
+  --brand-950: #0e1a2a;
+  --brand-900: #16263c;
+  --brand-800: #203754;
+  --brand-700: #2f4b6b;
+  --brand-500: #4e86b8;
+  --accent-500: #f2b24c;
+  --accent-400: #ffd18a;
+  --bg: #f3f5fb;
+  --bg-soft: #eef2f9;
+  --text-900: #0f1a2a;
+  --text-600: #5c6b7a;
+  --card: #ffffff;
+  --danger: #d64550;
+  --success: #24a26a;
+  --radius-lg: 14px;
+  --radius-md: 10px;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+body {
+  margin: 0;
+  font-family: "Alibaba PuHuiTi", "Noto Sans SC", "Microsoft YaHei", sans-serif;
+  background: radial-gradient(circle at top left, #ffffff 0%, #f5f7fb 35%, #e8eef8 100%);
+  color: var(--text-900);
+}
+
+a {
+  color: inherit;
+  text-decoration: none;
+}
+
+.page {
+  padding: 20px 24px 28px;
+}
+
+.page-title {
+  font-size: 20px;
+  font-weight: 600;
+  margin: 8px 0 16px;
+}
+
+.card {
+  background: var(--card);
+  border-radius: var(--radius-lg);
+  padding: 18px;
+  box-shadow: 0 18px 40px rgba(15, 26, 42, 0.08);
+  border: 1px solid rgba(15, 26, 42, 0.05);
+}
+
+.toolbar {
+  display: flex;
+  gap: 12px;
+  flex-wrap: wrap;
+  margin-bottom: 16px;
+}
+
+.table-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.status-tag {
+  text-transform: capitalize;
+}
+
+.fade-in {
+  animation: fadeIn 0.6s ease-out both;
+}
+
+@keyframes fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(8px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.el-table {
+  border-radius: var(--radius-md);
+  overflow: hidden;
+}
+
+.el-table th.el-table__cell {
+  background: var(--bg-soft);
+  color: var(--text-900);
+  font-weight: 600;
+}
+
+.el-table td.el-table__cell {
+  color: var(--text-600);
+}
+
+.el-input__wrapper,
+.el-textarea__inner,
+.el-select__wrapper {
+  border-radius: var(--radius-md);
+}
+
+.el-button--primary {
+  background: linear-gradient(135deg, var(--brand-500), #6ea7d8);
+  border: none;
+}
+
+.el-button--primary:hover {
+  background: linear-gradient(135deg, #3f7bb1, #7db7e7);
+}
+
+.el-dialog {
+  border-radius: var(--radius-lg);
+}

frontend/src/styles/screen.css

@@ -0,0 +1,205 @@
+.screen-body {
+  margin: 0;
+  background: radial-gradient(circle at top left, #203450 0%, #0c1422 45%, #070b12 100%);
+  color: #e6edf5;
+  font-family: "Rajdhani", "Alibaba PuHuiTi", "Noto Sans SC", sans-serif;
+}
+
+.screen-layout {
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+  position: relative;
+}
+
+.screen-layout::before {
+  content: "";
+  position: absolute;
+  inset: 0;
+  background: radial-gradient(circle at 20% 10%, rgba(159, 226, 255, 0.15), transparent 40%),
+    radial-gradient(circle at 80% 20%, rgba(255, 209, 138, 0.12), transparent 35%);
+  pointer-events: none;
+}
+
+.screen-header {
+  display: grid;
+  grid-template-columns: 1fr auto auto;
+  align-items: center;
+  gap: 20px;
+  padding: 18px 28px;
+  background: rgba(6, 12, 20, 0.92);
+  border-bottom: 1px solid rgba(159, 226, 255, 0.18);
+  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
+  z-index: 1;
+}
+
+.screen-title {
+  font-size: 22px;
+  letter-spacing: 6px;
+  text-transform: uppercase;
+  font-weight: 600;
+  color: #e3f3ff;
+}
+
+.screen-nav {
+  display: flex;
+  gap: 16px;
+}
+
+.screen-nav a {
+  padding: 6px 14px;
+  border-radius: 999px;
+  background: rgba(255, 255, 255, 0.08);
+  color: #e6edf5;
+  font-size: 14px;
+  transition: all 0.2s ease;
+  border: 1px solid rgba(159, 226, 255, 0.15);
+  box-shadow: inset 0 0 8px rgba(159, 226, 255, 0.2);
+}
+
+.screen-nav a:hover {
+  background: rgba(159, 226, 255, 0.2);
+  color: #e3f3ff;
+}
+
+.screen-nav a.active {
+  background: linear-gradient(120deg, #5fb5ff, #9fe2ff);
+  color: #051321;
+  font-weight: 600;
+  box-shadow: 0 0 12px rgba(159, 226, 255, 0.6);
+}
+
+.screen-back {
+  padding: 6px 16px;
+  border-radius: 999px;
+  border: 1px solid rgba(255, 209, 138, 0.4);
+  background: rgba(255, 209, 138, 0.1);
+  color: #ffe2a6;
+  cursor: pointer;
+  font-size: 13px;
+  letter-spacing: 2px;
+  text-transform: uppercase;
+  transition: all 0.2s ease;
+}
+
+.screen-back:hover {
+  background: rgba(255, 209, 138, 0.2);
+  box-shadow: 0 0 12px rgba(255, 209, 138, 0.5);
+}
+
+.screen-content {
+  flex: 1;
+  padding: 18px 24px 28px;
+  position: relative;
+  z-index: 1;
+}
+
+.screen-grid {
+  display: grid;
+  gap: 18px;
+  grid-template-columns: repeat(12, 1fr);
+}
+
+.screen-card {
+  background: rgba(7, 14, 24, 0.92);
+  border: 1px solid rgba(159, 226, 255, 0.18);
+  border-radius: 18px;
+  padding: 16px;
+  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45);
+  position: relative;
+  overflow: hidden;
+}
+
+.screen-card::after {
+  content: "";
+  position: absolute;
+  top: -120px;
+  right: -120px;
+  width: 220px;
+  height: 220px;
+  background: radial-gradient(circle, rgba(159, 226, 255, 0.22), transparent 70%);
+  opacity: 0.8;
+}
+
+.screen-card h3 {
+  margin: 0 0 12px;
+  font-size: 15px;
+  color: #e6edf5;
+  text-transform: uppercase;
+  letter-spacing: 2px;
+}
+
+.screen-card h3::after {
+  content: "";
+  display: block;
+  width: 46px;
+  height: 2px;
+  margin-top: 6px;
+  background: linear-gradient(90deg, #9fe2ff, transparent);
+}
+
+.stat-cards {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 16px;
+}
+
+.stat-card {
+  padding: 16px;
+  border-radius: 14px;
+  background: linear-gradient(140deg, rgba(78, 134, 184, 0.35), rgba(8, 18, 28, 0.9));
+  border: 1px solid rgba(255, 255, 255, 0.06);
+  box-shadow: inset 0 0 20px rgba(159, 226, 255, 0.08);
+}
+
+.stat-card .label {
+  font-size: 12px;
+  color: #c9d7e6;
+  letter-spacing: 2px;
+  text-transform: uppercase;
+}
+
+.stat-card .value {
+  font-size: 28px;
+  font-weight: 700;
+  margin-top: 6px;
+}
+
+.scroll-list {
+  max-height: 220px;
+  overflow: hidden;
+  position: relative;
+}
+
+.scroll-item {
+  padding: 8px 0;
+  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
+  cursor: pointer;
+}
+
+@keyframes scrollUp {
+  0% { transform: translateY(0); }
+  100% { transform: translateY(-50%); }
+}
+
+.scroll-inner {
+  display: grid;
+  gap: 6px;
+  animation: scrollUp 18s linear infinite;
+}
+
+@media (max-width: 1200px) {
+  .screen-grid {
+    grid-template-columns: repeat(6, 1fr);
+  }
+  .stat-cards {
+    grid-template-columns: 1fr;
+  }
+}
+
+@media (max-width: 900px) {
+  .screen-grid {
+    grid-template-columns: repeat(2, 1fr);
+  }
+}
+

frontend/src/utils/region.js

@@ -0,0 +1,28 @@
+import { codeToText, regionData } from 'element-china-area-data'
+
+const buildMap = (nodes, map) => {
+  nodes.forEach((node) => {
+    if (node?.value && node?.label) {
+      map[node.value] = node.label
+    }
+    if (node?.children?.length) {
+      buildMap(node.children, map)
+    }
+  })
+}
+
+const fallbackMap = {}
+if (!codeToText && Array.isArray(regionData)) {
+  buildMap(regionData, fallbackMap)
+}
+
+export const regionLabel = (code) => {
+  if (!code) return ''
+  const mapping = codeToText || fallbackMap
+  return mapping?.[code] || code
+}
+
+export const formatRegion = (province, city, district) => {
+  const parts = [province, city, district].filter(Boolean).map(regionLabel)
+  return parts.join(' ')
+}

frontend/src/views/DictionaryManage.vue

@@ -0,0 +1,235 @@
+<template>
+  <div class="page">
+    <div class="page-title">材料分类管理</div>
+    <el-tabs v-model="activeTab">
+      <el-tab-pane label="材料分类" name="category">
+        <div class="toolbar">
+          <el-button type="primary" @click="openCategoryCreate">新增分类</el-button>
+        </div>
+        <el-table :data="categories" border>
+          <el-table-column prop="name" label="分类名称" />
+          <el-table-column prop="value" label="分类值" />
+          <el-table-column prop="subcategory_count" label="子类数量" width="120" />
+          <el-table-column label="操作" width="160">
+            <template #default="scope">
+              <div class="table-actions">
+                <el-button size="small" @click="openCategoryEdit(scope.row)">编辑</el-button>
+                <el-button size="small" type="danger" @click="onCategoryDelete(scope.row)">删除</el-button>
+              </div>
+            </template>
+          </el-table-column>
+        </el-table>
+      </el-tab-pane>
+      <el-tab-pane label="材料子分类" name="subcategory">
+        <div class="toolbar">
+          <el-select v-model="filters.category_id" placeholder="筛选分类" clearable @change="loadSubcategories" style="width: 200px">
+            <el-option v-for="item in categories" :key="item.id" :label="item.name" :value="item.id" />
+          </el-select>
+          <el-button type="primary" @click="openSubcategoryCreate">新增子分类</el-button>
+        </div>
+        <el-table :data="subcategories" border>
+          <el-table-column prop="category_name" label="所属分类" />
+          <el-table-column prop="name" label="子分类名称" />
+          <el-table-column prop="value" label="子分类值" />
+          <el-table-column label="操作" width="160">
+            <template #default="scope">
+              <div class="table-actions">
+                <el-button size="small" @click="openSubcategoryEdit(scope.row)">编辑</el-button>
+                <el-button size="small" type="danger" @click="onSubcategoryDelete(scope.row)">删除</el-button>
+              </div>
+            </template>
+          </el-table-column>
+        </el-table>
+      </el-tab-pane>
+    </el-tabs>
+
+    <el-dialog v-model="categoryDialogVisible" :title="categoryDialogTitle" width="480px">
+      <el-form :model="categoryForm" label-width="90px">
+        <el-form-item label="分类名称" required>
+          <el-input v-model="categoryForm.name" />
+        </el-form-item>
+        <el-form-item label="分类值" required>
+          <el-input v-model="categoryForm.value" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="categoryDialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="onCategorySubmit">保存</el-button>
+      </template>
+    </el-dialog>
+
+    <el-dialog v-model="subcategoryDialogVisible" :title="subcategoryDialogTitle" width="520px">
+      <el-form :model="subcategoryForm" label-width="100px">
+        <el-form-item label="所属分类" required>
+          <el-select v-model="subcategoryForm.category" filterable>
+            <el-option v-for="item in categories" :key="item.id" :label="item.name" :value="item.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="子分类名称" required>
+          <el-input v-model="subcategoryForm.name" />
+        </el-form-item>
+        <el-form-item label="子分类值" required>
+          <el-input v-model="subcategoryForm.value" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="subcategoryDialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="onSubcategorySubmit">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import {
+  fetchCategories,
+  createCategory,
+  updateCategory,
+  deleteCategory,
+  fetchSubcategories,
+  createSubcategory,
+  updateSubcategory,
+  deleteSubcategory
+} from '@/api/category'
+
+const activeTab = ref('category')
+const categories = ref([])
+const subcategories = ref([])
+
+const filters = reactive({
+  category_id: ''
+})
+
+const categoryDialogVisible = ref(false)
+const categoryDialogTitle = ref('')
+const categoryIsEdit = ref(false)
+const categoryCurrentId = ref(null)
+const categoryForm = reactive({
+  name: '',
+  value: ''
+})
+
+const subcategoryDialogVisible = ref(false)
+const subcategoryDialogTitle = ref('')
+const subcategoryIsEdit = ref(false)
+const subcategoryCurrentId = ref(null)
+const subcategoryForm = reactive({
+  category: null,
+  name: '',
+  value: ''
+})
+
+const loadCategories = async () => {
+  const data = await fetchCategories()
+  categories.value = data.results || data
+}
+
+const loadSubcategories = async () => {
+  const data = await fetchSubcategories(filters.category_id ? { category_id: filters.category_id } : {})
+  subcategories.value = data.results || data
+}
+
+const resetCategoryForm = () => {
+  categoryForm.name = ''
+  categoryForm.value = ''
+}
+
+const resetSubcategoryForm = () => {
+  subcategoryForm.category = null
+  subcategoryForm.name = ''
+  subcategoryForm.value = ''
+}
+
+const openCategoryCreate = () => {
+  resetCategoryForm()
+  categoryIsEdit.value = false
+  categoryDialogTitle.value = '新增分类'
+  categoryDialogVisible.value = true
+}
+
+const openCategoryEdit = (row) => {
+  resetCategoryForm()
+  categoryIsEdit.value = true
+  categoryCurrentId.value = row.id
+  categoryForm.name = row.name
+  categoryForm.value = row.value
+  categoryDialogTitle.value = '编辑分类'
+  categoryDialogVisible.value = true
+}
+
+const onCategorySubmit = async () => {
+  try {
+    if (categoryIsEdit.value) {
+      await updateCategory(categoryCurrentId.value, { ...categoryForm })
+    } else {
+      await createCategory({ ...categoryForm })
+    }
+    ElMessage.success('保存成功')
+    categoryDialogVisible.value = false
+    await loadCategories()
+  } catch (error) {
+    ElMessage.error(error.response?.data?.detail || '保存失败')
+  }
+}
+
+const onCategoryDelete = (row) => {
+  ElMessageBox.confirm(`确认删除分类 ${row.name} 吗？`, '提示', { type: 'warning' })
+    .then(async () => {
+      await deleteCategory(row.id)
+      ElMessage.success('删除成功')
+      await loadCategories()
+      await loadSubcategories()
+    })
+    .catch(() => {})
+}
+
+const openSubcategoryCreate = () => {
+  resetSubcategoryForm()
+  subcategoryIsEdit.value = false
+  subcategoryDialogTitle.value = '新增子分类'
+  subcategoryDialogVisible.value = true
+}
+
+const openSubcategoryEdit = (row) => {
+  resetSubcategoryForm()
+  subcategoryIsEdit.value = true
+  subcategoryCurrentId.value = row.id
+  subcategoryForm.category = row.category
+  subcategoryForm.name = row.name
+  subcategoryForm.value = row.value
+  subcategoryDialogTitle.value = '编辑子分类'
+  subcategoryDialogVisible.value = true
+}
+
+const onSubcategorySubmit = async () => {
+  try {
+    if (subcategoryIsEdit.value) {
+      await updateSubcategory(subcategoryCurrentId.value, { ...subcategoryForm })
+    } else {
+      await createSubcategory({ ...subcategoryForm })
+    }
+    ElMessage.success('保存成功')
+    subcategoryDialogVisible.value = false
+    await loadSubcategories()
+  } catch (error) {
+    ElMessage.error(error.response?.data?.detail || '保存失败')
+  }
+}
+
+const onSubcategoryDelete = (row) => {
+  ElMessageBox.confirm(`确认删除子分类 ${row.name} 吗？`, '提示', { type: 'warning' })
+    .then(async () => {
+      await deleteSubcategory(row.id)
+      ElMessage.success('删除成功')
+      await loadSubcategories()
+    })
+    .catch(() => {})
+}
+
+onMounted(async () => {
+  await loadCategories()
+  await loadSubcategories()
+})
+</script>

frontend/src/views/FactoryDetail.vue

@@ -0,0 +1,50 @@
+<template>
+  <div class="page">
+    <div class="page-title">
+      工厂详情
+      <el-button class="back-btn" plain size="small" @click="goBack">返回</el-button>
+    </div>
+    <div class="card" v-if="factory">
+      <el-descriptions :column="2" border>
+        <el-descriptions-item label="工厂全称">{{ factory.factory_name }}</el-descriptions-item>
+        <el-descriptions-item label="工厂简称">{{ factory.factory_short_name }}</el-descriptions-item>
+        <el-descriptions-item label="经销商">{{ factory.dealer_name }}</el-descriptions-item>
+        <el-descriptions-item label="产品分类">{{ factory.product_category }}</el-descriptions-item>
+        <el-descriptions-item label="地区">{{ formatRegion(factory.province, factory.city, factory.district) }}</el-descriptions-item>
+        <el-descriptions-item label="地址">{{ factory.address }}</el-descriptions-item>
+        <el-descriptions-item label="官网">{{ factory.website }}</el-descriptions-item>
+        <el-descriptions-item label="材料数量">{{ factory.material_count }}</el-descriptions-item>
+      </el-descriptions>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { formatRegion } from '@/utils/region'
+import { fetchFactoryDetail } from '@/api/factory'
+
+const route = useRoute()
+const router = useRouter()
+const factory = ref(null)
+
+const loadDetail = async () => {
+  factory.value = await fetchFactoryDetail(route.params.id)
+}
+
+onMounted(loadDetail)
+
+const goBack = () => {
+  router.back()
+}
+</script>
+
+<style scoped>
+.page-title {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+</style>
+

frontend/src/views/FactoryManage.vue

@@ -0,0 +1,171 @@
+<template>
+  <div class="page">
+    <div class="page-title">工厂管理</div>
+    <div class="toolbar">
+      <el-button v-if="isAdmin" type="primary" @click="openCreate">新增工厂</el-button>
+    </div>
+    <el-table :data="factories" border>
+      <el-table-column prop="factory_name" label="工厂全称" />
+      <el-table-column prop="factory_short_name" label="工厂简称" />
+      <el-table-column prop="dealer_name" label="经销商" />
+      <el-table-column label="地区">
+        <template #default="scope">
+          {{ formatRegion(scope.row.province, scope.row.city, scope.row.district) }}
+        </template>
+      </el-table-column>
+      <el-table-column label="操作" width="200">
+        <template #default="scope">
+          <div class="table-actions">
+            <el-button size="small" @click="goDetail(scope.row)">详情</el-button>
+            <el-button size="small" @click="openEdit(scope.row)">编辑</el-button>
+            <el-button v-if="isAdmin" size="small" type="danger" @click="onDelete(scope.row)">删除</el-button>
+          </div>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog v-model="dialogVisible" :title="dialogTitle" width="640px">
+      <el-form :model="form" label-width="100px">
+        <el-form-item label="经销商" required>
+          <el-input v-model="form.dealer_name" />
+        </el-form-item>
+        <el-form-item label="产品分类">
+          <el-input v-model="form.product_category" />
+        </el-form-item>
+        <el-form-item label="工厂全称" required>
+          <el-input v-model="form.factory_name" />
+        </el-form-item>
+        <el-form-item label="工厂简称" required>
+          <el-input v-model="form.factory_short_name" />
+        </el-form-item>
+        <el-form-item label="省市区" required>
+          <el-cascader
+            v-model="regionValue"
+            :options="regionOptions"
+            clearable
+            @change="onRegionChange"
+          />
+        </el-form-item>
+        <el-form-item label="地址">
+          <el-input v-model="form.address" type="textarea" />
+        </el-form-item>
+        <el-form-item label="官网">
+          <el-input v-model="form.website" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="onSubmit">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { regionData } from 'element-china-area-data'
+import { useAuth } from '@/store/auth'
+import { formatRegion } from '@/utils/region'
+import { fetchFactories, fetchFactoryDetail, createFactory, updateFactory, deleteFactory } from '@/api/factory'
+
+const router = useRouter()
+const { isAdmin } = useAuth()
+const factories = ref([])
+const dialogVisible = ref(false)
+const dialogTitle = ref('')
+const isEdit = ref(false)
+const currentId = ref(null)
+
+const regionOptions = regionData
+const regionValue = ref([])
+
+const form = reactive({
+  dealer_name: '',
+  product_category: '',
+  factory_name: '',
+  factory_short_name: '',
+  province: '',
+  city: '',
+  district: '',
+  address: '',
+  website: ''
+})
+
+const loadFactories = async () => {
+  const data = await fetchFactories()
+  factories.value = data.results || data
+}
+
+const resetForm = () => {
+  form.dealer_name = ''
+  form.product_category = ''
+  form.factory_name = ''
+  form.factory_short_name = ''
+  form.province = ''
+  form.city = ''
+  form.district = ''
+  form.address = ''
+  form.website = ''
+  regionValue.value = []
+}
+
+const onRegionChange = (val) => {
+  form.province = val?.[0] || ''
+  form.city = val?.[1] || ''
+  form.district = val?.[2] || ''
+}
+
+const openCreate = () => {
+  resetForm()
+  isEdit.value = false
+  dialogTitle.value = '新增工厂'
+  dialogVisible.value = true
+}
+
+const openEdit = async (row) => {
+  resetForm()
+  isEdit.value = true
+  currentId.value = row.id
+  const detail = await fetchFactoryDetail(row.id)
+  Object.assign(form, detail)
+  regionValue.value = [detail.province, detail.city, detail.district].filter(Boolean)
+  dialogTitle.value = '编辑工厂'
+  dialogVisible.value = true
+}
+
+const onSubmit = async () => {
+  try {
+    if (isEdit.value) {
+      await updateFactory(currentId.value, { ...form })
+    } else {
+      await createFactory({ ...form })
+    }
+    ElMessage.success('保存成功')
+    dialogVisible.value = false
+    loadFactories()
+  } catch (error) {
+    ElMessage.error(error.response?.data?.detail || '保存失败')
+  }
+}
+
+const onDelete = (row) => {
+  ElMessageBox.confirm(`确认删除工厂 ${row.factory_name} 吗？`, '提示', { type: 'warning' })
+    .then(async () => {
+      await deleteFactory(row.id)
+      ElMessage.success('删除成功')
+      loadFactories()
+    })
+    .catch(() => {})
+}
+
+const goDetail = (row) => {
+  router.push(`/factories/${row.id}`)
+}
+
+onMounted(() => {
+  loadFactories()
+})
+</script>
+

frontend/src/views/Login.vue

@@ -0,0 +1,92 @@
+<template>
+  <div class="login">
+    <div class="login-card">
+      <div class="title">新材料数据库</div>
+      <div class="subtitle">登录系统</div>
+      <el-form :model="form" @submit.prevent>
+        <el-form-item label="用户名">
+          <el-input v-model="form.username" placeholder="请输入用户名" />
+        </el-form-item>
+        <el-form-item label="密码">
+          <el-input v-model="form.password" type="password" placeholder="请输入密码" show-password />
+        </el-form-item>
+        <el-button type="primary" class="btn" :loading="loading" @click="onLogin">登录</el-button>
+      </el-form>
+      <div class="hint">默认接口地址：/api</div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { reactive, ref } from 'vue'
+import { useRouter } from 'vue-router'
+import { ElMessage } from 'element-plus'
+import { login } from '@/api/auth'
+import { useAuth } from '@/store/auth'
+
+const router = useRouter()
+const { setAuth } = useAuth()
+const form = reactive({
+  username: '',
+  password: ''
+})
+const loading = ref(false)
+
+const onLogin = async () => {
+  if (!form.username || !form.password) {
+    ElMessage.warning('请输入用户名和密码')
+    return
+  }
+  loading.value = true
+  try {
+    const data = await login(form)
+    setAuth(data.access, data.user)
+    router.push('/materials')
+  } catch (error) {
+    ElMessage.error(error.response?.data?.detail || '登录失败')
+  } finally {
+    loading.value = false
+  }
+}
+</script>
+
+<style scoped>
+.login {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, #1b2a41 0%, #3c6f8f 60%, #7cb4e3 100%);
+}
+
+.login-card {
+  width: 380px;
+  padding: 32px;
+  border-radius: 16px;
+  background: rgba(255, 255, 255, 0.95);
+  box-shadow: 0 18px 40px rgba(15, 26, 42, 0.2);
+  border: 1px solid rgba(255, 255, 255, 0.6);
+}
+
+.title {
+  font-size: 24px;
+  font-weight: 700;
+  color: #1b2a41;
+}
+
+.subtitle {
+  font-size: 14px;
+  color: #5c6b7a;
+  margin-bottom: 20px;
+}
+
+.btn {
+  width: 100%;
+}
+
+.hint {
+  margin-top: 12px;
+  font-size: 12px;
+  color: #9aa6b2;
+}
+</style>

frontend/src/views/MaterialDetail.vue

@@ -0,0 +1,77 @@
+<template>
+  <div class="page">
+    <div class="page-title">
+      材料详情
+      <el-button class="back-btn" plain size="small" @click="goBack">返回</el-button>
+    </div>
+    <div class="card" v-if="material">
+      <el-descriptions :column="2" border>
+        <el-descriptions-item label="材料名称">{{ material.name }}</el-descriptions-item>
+        <el-descriptions-item label="专业类别">{{ material.major_category_display }}</el-descriptions-item>
+        <el-descriptions-item label="材料分类">{{ material.material_category }}</el-descriptions-item>
+        <el-descriptions-item label="材料子类">{{ material.material_subcategory }}</el-descriptions-item>
+        <el-descriptions-item label="规格型号">{{ material.spec }}</el-descriptions-item>
+        <el-descriptions-item label="符合标准">{{ material.standard }}</el-descriptions-item>
+        <el-descriptions-item label="应用场景">{{ (material.application_scene_display || []).join('、') }}</el-descriptions-item>
+        <el-descriptions-item label="应用说明">{{ material.application_desc }}</el-descriptions-item>
+        <el-descriptions-item label="替代材料类型">{{ material.replace_type_display }}</el-descriptions-item>
+        <el-descriptions-item label="竞争优势">{{ (material.advantage_display || []).join('、') }}</el-descriptions-item>
+        <el-descriptions-item label="优势说明">{{ material.advantage_desc }}</el-descriptions-item>
+        <el-descriptions-item label="成本对比">{{ material.cost_compare }}</el-descriptions-item>
+        <el-descriptions-item label="成本说明">{{ material.cost_desc }}</el-descriptions-item>
+        <el-descriptions-item label="案例">{{ material.cases }}</el-descriptions-item>
+        <el-descriptions-item label="所属工厂">{{ material.factory_name }}</el-descriptions-item>
+        <el-descriptions-item label="质量等级">{{ material.quality_level }}</el-descriptions-item>
+        <el-descriptions-item label="耐久等级">{{ material.durability_level }}</el-descriptions-item>
+        <el-descriptions-item label="环保等级">{{ material.eco_level }}</el-descriptions-item>
+        <el-descriptions-item label="低碳等级">{{ material.carbon_level }}</el-descriptions-item>
+        <el-descriptions-item label="总评分">{{ material.score_level }}</el-descriptions-item>
+        <el-descriptions-item label="连接方式">{{ material.connection_method }}</el-descriptions-item>
+        <el-descriptions-item label="施工工艺">{{ material.construction_method }}</el-descriptions-item>
+        <el-descriptions-item label="限制条件">{{ material.limit_condition }}</el-descriptions-item>
+      </el-descriptions>
+      <div v-if="material.brochure_url" class="brochure">
+        <div class="brochure-title">宣传页</div>
+        <img :src="material.brochure_url" alt="宣传页" />
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { fetchMaterialDetail } from '@/api/material'
+
+const route = useRoute()
+const router = useRouter()
+const material = ref(null)
+
+const loadDetail = async () => {
+  material.value = await fetchMaterialDetail(route.params.id)
+}
+
+onMounted(loadDetail)
+
+const goBack = () => {
+  router.back()
+}
+</script>
+
+<style scoped>
+.page-title {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.brochure {
+  margin-top: 20px;
+}
+
+.brochure img {
+  max-width: 100%;
+  border-radius: 8px;
+  border: 1px solid #eee;
+}
+</style>

frontend/src/views/MaterialManage.vue

@@ -0,0 +1,403 @@
+<template>
+  <div class="page">
+    <div class="page-title">材料管理</div>
+    <div class="toolbar">
+      <el-input v-model="filters.name" placeholder="材料名称" style="width: 200px" />
+      <el-select v-model="filters.status" placeholder="状态" clearable style="width: 140px">
+        <el-option v-for="item in statusOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+      </el-select>
+      <el-select v-model="filters.material_subcategory" placeholder="材料子类" clearable style="width: 180px">
+        <el-option v-for="item in filterSubcategoryOptions" :key="item.value" :label="item.name" :value="item.value" />
+      </el-select>
+      <el-button @click="loadMaterials">查询</el-button>
+      <el-button type="primary" @click="openCreate">新增材料</el-button>
+    </div>
+
+    <el-table :data="materials" border>
+      <el-table-column prop="name" label="材料名称" />
+      <el-table-column prop="major_category_display" label="专业类别" />
+      <el-table-column prop="material_category" label="材料分类" />
+      <el-table-column prop="material_subcategory" label="材料子类" />
+      <el-table-column prop="factory_short_name" label="所属工厂" />
+      <el-table-column prop="status_display" label="状态" width="120" />
+      <el-table-column label="操作" width="320">
+        <template #default="scope">
+          <div class="table-actions">
+            <el-button size="small" @click="goDetail(scope.row)">详情</el-button>
+            <el-button size="small" @click="openEdit(scope.row)">编辑</el-button>
+            <el-button v-if="canSubmit(scope.row)" size="small" type="warning" @click="onSubmitAudit(scope.row)">提交审核</el-button>
+            <el-button v-if="canApprove(scope.row)" size="small" type="success" @click="onApprove(scope.row)">审核通过</el-button>
+            <el-button v-if="canApprove(scope.row)" size="small" type="danger" @click="onReject(scope.row)">审核拒绝</el-button>
+            <el-button size="small" type="danger" @click="onDelete(scope.row)">删除</el-button>
+          </div>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog v-model="dialogVisible" :title="dialogTitle" width="820px">
+      <el-form :model="form" label-width="110px">
+        <el-form-item label="材料名称" required>
+          <el-input v-model="form.name" />
+        </el-form-item>
+        <el-form-item label="专业类别" required>
+          <el-select v-model="form.major_category">
+            <el-option v-for="item in majorOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="材料分类" required>
+          <el-select v-model="form.material_category" filterable @change="onCategoryChange">
+            <el-option v-for="item in categoryOptions" :key="item.value" :label="item.name" :value="item.value" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="材料子类" required>
+          <el-select v-model="form.material_subcategory" filterable>
+            <el-option v-for="item in subcategoryOptions" :key="item.value" :label="item.name" :value="item.value" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="规格型号">
+          <el-input v-model="form.spec" />
+        </el-form-item>
+        <el-form-item label="符合标准">
+          <el-input v-model="form.standard" />
+        </el-form-item>
+        <el-form-item label="应用场景">
+          <el-select v-model="form.application_scene" multiple>
+            <el-option v-for="item in sceneOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="应用说明">
+          <el-input v-model="form.application_desc" type="textarea" />
+        </el-form-item>
+        <el-form-item label="替代材料类型">
+          <el-select v-model="form.replace_type" clearable>
+            <el-option v-for="item in replaceOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="竞争优势">
+          <el-select v-model="form.advantage" multiple>
+            <el-option v-for="item in advantageOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="优势说明">
+          <el-input v-model="form.advantage_desc" type="textarea" />
+        </el-form-item>
+        <el-form-item label="成本对比(%)">
+          <el-input-number v-model="form.cost_compare" :min="-100" :max="100" />
+        </el-form-item>
+        <el-form-item label="成本说明">
+          <el-input v-model="form.cost_desc" type="textarea" />
+        </el-form-item>
+        <el-form-item label="案例">
+          <el-input v-model="form.cases" type="textarea" />
+        </el-form-item>
+        <el-form-item label="宣传页">
+          <el-upload
+            class="upload"
+            :auto-upload="false"
+            :show-file-list="true"
+            :on-change="onFileChange"
+          >
+            <el-button>选择图片</el-button>
+          </el-upload>
+          <div v-if="form.brochure_url" class="preview">
+            <img :src="form.brochure_url" alt="预览" />
+          </div>
+        </el-form-item>
+        <el-form-item label="质量等级">
+          <el-select v-model="form.quality_level" clearable>
+            <el-option v-for="item in starOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="耐久等级">
+          <el-select v-model="form.durability_level" clearable>
+            <el-option v-for="item in starOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="环保等级">
+          <el-select v-model="form.eco_level" clearable>
+            <el-option v-for="item in starOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="低碳等级">
+          <el-select v-model="form.carbon_level" clearable>
+            <el-option v-for="item in starOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="总评分">
+          <el-select v-model="form.score_level" clearable>
+            <el-option v-for="item in starOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="连接方式">
+          <el-input v-model="form.connection_method" />
+        </el-form-item>
+        <el-form-item label="施工工艺">
+          <el-input v-model="form.construction_method" />
+        </el-form-item>
+        <el-form-item label="限制条件">
+          <el-input v-model="form.limit_condition" type="textarea" />
+        </el-form-item>
+        <el-form-item label="所属工厂" v-if="isAdmin">
+          <el-select v-model="form.factory">
+            <el-option v-for="item in factories" :key="item.id" :label="item.factory_name" :value="item.id" />
+          </el-select>
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="onSave">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive, onMounted } from 'vue'
+import { useRouter } from 'vue-router'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { useAuth } from '@/store/auth'
+import { fetchMaterials, fetchMaterialDetail, createMaterial, updateMaterial, deleteMaterial, submitMaterial, approveMaterial, rejectMaterial, fetchMaterialChoices } from '@/api/material'
+import { fetchCategories, fetchSubcategories } from '@/api/category'
+import { fetchFactorySimple } from '@/api/factory'
+
+const router = useRouter()
+const { isAdmin } = useAuth()
+const materials = ref([])
+const factories = ref([])
+const dialogVisible = ref(false)
+const dialogTitle = ref('')
+const isEdit = ref(false)
+const currentId = ref(null)
+const fileRef = ref(null)
+
+const filters = reactive({
+  name: '',
+  status: '',
+  material_subcategory: ''
+})
+
+const form = reactive({
+  name: '',
+  major_category: '',
+  material_category: '',
+  material_subcategory: '',
+  spec: '',
+  standard: '',
+  application_scene: [],
+  application_desc: '',
+  replace_type: '',
+  advantage: [],
+  advantage_desc: '',
+  cost_compare: null,
+  cost_desc: '',
+  cases: '',
+  brochure: null,
+  brochure_url: '',
+  quality_level: null,
+  durability_level: null,
+  eco_level: null,
+  carbon_level: null,
+  score_level: null,
+  connection_method: '',
+  construction_method: '',
+  limit_condition: '',
+  factory: null
+})
+
+const majorOptions = ref([])
+const replaceOptions = ref([])
+const advantageOptions = ref([])
+const sceneOptions = ref([])
+const starOptions = ref([])
+const statusOptions = ref([])
+const categoryOptions = ref([])
+const subcategoryOptions = ref([])
+const filterSubcategoryOptions = ref([])
+const allSubcategories = ref([])
+
+const loadMaterials = async () => {
+  const data = await fetchMaterials({ ...filters })
+  materials.value = data.results || data
+}
+
+const loadChoices = async () => {
+  const data = await fetchMaterialChoices()
+  majorOptions.value = data.major_category
+  replaceOptions.value = data.replace_type
+  advantageOptions.value = data.advantage
+  sceneOptions.value = data.application_scene
+  starOptions.value = data.star_level
+  statusOptions.value = data.status
+}
+
+const loadCategories = async () => {
+  const data = await fetchCategories()
+  categoryOptions.value = (data.results || data).map((item) => ({
+    id: item.id,
+    name: item.name,
+    value: item.value
+  }))
+}
+
+const loadSubcategories = async (categoryId = '') => {
+  const data = await fetchSubcategories(categoryId ? { category_id: categoryId } : {})
+  allSubcategories.value = data.results || data
+  const mapped = allSubcategories.value.map((item) => ({
+    id: item.id,
+    name: item.name,
+    value: item.value,
+    category: item.category
+  }))
+  filterSubcategoryOptions.value = mapped
+  subcategoryOptions.value = mapped
+}
+
+const loadFactories = async () => {
+  factories.value = await fetchFactorySimple()
+}
+
+const resetForm = () => {
+  Object.assign(form, {
+    name: '',
+    major_category: '',
+    material_category: '',
+    material_subcategory: '',
+    spec: '',
+    standard: '',
+    application_scene: [],
+    application_desc: '',
+    replace_type: '',
+    advantage: [],
+    advantage_desc: '',
+    cost_compare: null,
+    cost_desc: '',
+    cases: '',
+    brochure: null,
+    brochure_url: '',
+    quality_level: null,
+    durability_level: null,
+    eco_level: null,
+    carbon_level: null,
+    score_level: null,
+    connection_method: '',
+    construction_method: '',
+    limit_condition: '',
+    factory: null
+  })
+  fileRef.value = null
+}
+
+const onCategoryChange = async (val, resetSub = true) => {
+  if (!val) {
+    await loadSubcategories()
+    return
+  }
+  const category = categoryOptions.value.find((item) => item.value === val)
+  if (category) {
+    await loadSubcategories(category.id)
+  }
+  if (resetSub) {
+    form.material_subcategory = ''
+  }
+}
+
+const openCreate = () => {
+  resetForm()
+  isEdit.value = false
+  dialogTitle.value = '新增材料'
+  dialogVisible.value = true
+}
+
+const openEdit = async (row) => {
+  resetForm()
+  isEdit.value = true
+  currentId.value = row.id
+  const item = await fetchMaterialDetail(row.id)
+  Object.assign(form, item)
+  form.application_scene = item.application_scene || []
+  form.advantage = item.advantage || []
+  form.brochure_url = item.brochure_url || ''
+  if (form.material_category) {
+    await onCategoryChange(form.material_category, false)
+  }
+  dialogTitle.value = '编辑材料'
+  dialogVisible.value = true
+}
+
+const onFileChange = (file) => {
+  fileRef.value = file.raw
+  form.brochure = file.raw
+}
+
+const onSave = async () => {
+  try {
+    const payload = { ...form }
+    const withFile = !!fileRef.value
+    if (!isAdmin.value) {
+      delete payload.factory
+    }
+    if (isEdit.value) {
+      await updateMaterial(currentId.value, payload, withFile)
+    } else {
+      await createMaterial(payload, withFile)
+    }
+    ElMessage.success('保存成功')
+    dialogVisible.value = false
+    loadMaterials()
+  } catch (error) {
+    ElMessage.error(error.response?.data?.detail || '保存失败')
+  }
+}
+
+const onDelete = (row) => {
+  ElMessageBox.confirm(`确认删除材料 ${row.name} 吗？`, '提示', { type: 'warning' })
+    .then(async () => {
+      await deleteMaterial(row.id)
+      ElMessage.success('删除成功')
+      loadMaterials()
+    })
+    .catch(() => {})
+}
+
+const onSubmitAudit = async (row) => {
+  await submitMaterial(row.id)
+  ElMessage.success('已提交审核')
+  loadMaterials()
+}
+
+const onApprove = async (row) => {
+  await approveMaterial(row.id)
+  ElMessage.success('审核通过')
+  loadMaterials()
+}
+
+const onReject = async (row) => {
+  await rejectMaterial(row.id)
+  ElMessage.success('审核拒绝')
+  loadMaterials()
+}
+
+const canSubmit = (row) => !isAdmin.value && row.status === 'draft'
+const canApprove = (row) => isAdmin.value && row.status === 'pending'
+
+const goDetail = (row) => {
+  router.push(`/materials/${row.id}`)
+}
+
+onMounted(() => {
+  loadChoices()
+  loadCategories()
+  loadSubcategories()
+  loadFactories()
+  loadMaterials()
+})
+</script>
+
+<style scoped>
+.preview img {
+  width: 120px;
+  margin-top: 8px;
+  border-radius: 6px;
+  border: 1px solid #eee;
+}
+</style>

frontend/src/views/NotFound.vue

@@ -0,0 +1,6 @@
+<template>
+  <div class="page">
+    <div class="page-title">页面不存在</div>
+    <el-button type="primary" @click="$router.push('/materials')">返回首页</el-button>
+  </div>
+</template>

frontend/src/views/UserManage.vue

@@ -0,0 +1,166 @@
+<template>
+  <div class="page">
+    <div class="page-title">用户管理</div>
+    <div class="toolbar">
+      <el-button type="primary" @click="openCreate">新增用户</el-button>
+    </div>
+    <el-table :data="users" border>
+      <el-table-column prop="username" label="用户名" />
+      <el-table-column prop="role" label="角色">
+        <template #default="scope">
+          {{ scope.row.role === 'admin' ? '管理员' : '普通账号' }}
+        </template>
+      </el-table-column>
+      <el-table-column prop="factory_name" label="所属工厂" />
+      <el-table-column prop="phone" label="手机" />
+      <el-table-column prop="email" label="邮箱" />
+      <el-table-column label="操作" width="180">
+        <template #default="scope">
+          <div class="table-actions">
+            <el-button size="small" @click="openEdit(scope.row)">编辑</el-button>
+            <el-button size="small" type="danger" @click="onDelete(scope.row)">删除</el-button>
+          </div>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <el-dialog v-model="dialogVisible" :title="dialogTitle" width="520px">
+      <el-form :model="form" label-width="90px">
+        <el-form-item label="用户名" required>
+          <el-input v-model="form.username" :disabled="isEdit" />
+        </el-form-item>
+        <el-form-item label="密码" v-if="!isEdit" required>
+          <el-input v-model="form.password" type="password" show-password />
+        </el-form-item>
+        <el-form-item label="确认密码" v-if="!isEdit" required>
+          <el-input v-model="form.password_confirm" type="password" show-password />
+        </el-form-item>
+        <el-form-item label="角色" required>
+          <el-select v-model="form.role" @change="onRoleChange">
+            <el-option label="管理员" value="admin" />
+            <el-option label="普通账号" value="user" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="所属工厂" v-if="form.role === 'user'" required>
+          <el-select v-model="form.factory">
+            <el-option v-for="item in factories" :key="item.id" :label="item.factory_name" :value="item.id" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="手机">
+          <el-input v-model="form.phone" />
+        </el-form-item>
+        <el-form-item label="邮箱">
+          <el-input v-model="form.email" />
+        </el-form-item>
+      </el-form>
+      <template #footer>
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" @click="onSubmit">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup>
+import { ref, reactive, onMounted } from 'vue'
+import { ElMessage, ElMessageBox } from 'element-plus'
+import { fetchUsers, createUser, updateUser, deleteUser } from '@/api/auth'
+import { fetchFactorySimple } from '@/api/factory'
+
+const users = ref([])
+const factories = ref([])
+const dialogVisible = ref(false)
+const dialogTitle = ref('')
+const isEdit = ref(false)
+const currentId = ref(null)
+
+const form = reactive({
+  username: '',
+  password: '',
+  password_confirm: '',
+  role: 'user',
+  factory: null,
+  phone: '',
+  email: ''
+})
+
+const loadUsers = async () => {
+  const data = await fetchUsers()
+  users.value = data.results || data
+}
+
+const loadFactories = async () => {
+  factories.value = await fetchFactorySimple()
+}
+
+const resetForm = () => {
+  form.username = ''
+  form.password = ''
+  form.password_confirm = ''
+  form.role = 'user'
+  form.factory = null
+  form.phone = ''
+  form.email = ''
+}
+
+const openCreate = () => {
+  resetForm()
+  isEdit.value = false
+  dialogTitle.value = '新增用户'
+  dialogVisible.value = true
+}
+
+const openEdit = (row) => {
+  resetForm()
+  isEdit.value = true
+  currentId.value = row.id
+  form.username = row.username
+  form.role = row.role
+  form.factory = row.factory
+  form.phone = row.phone
+  form.email = row.email
+  dialogTitle.value = '编辑用户'
+  dialogVisible.value = true
+}
+
+const onRoleChange = () => {
+  if (form.role === 'admin') {
+    form.factory = null
+  }
+}
+
+const onSubmit = async () => {
+  try {
+    if (isEdit.value) {
+      await updateUser(currentId.value, {
+        role: form.role,
+        factory: form.factory,
+        phone: form.phone,
+        email: form.email
+      })
+    } else {
+      await createUser({ ...form })
+    }
+    ElMessage.success('保存成功')
+    dialogVisible.value = false
+    loadUsers()
+  } catch (error) {
+    ElMessage.error(error.response?.data?.detail || '保存失败')
+  }
+}
+
+const onDelete = (row) => {
+  ElMessageBox.confirm(`确认删除用户 ${row.username} 吗？`, '提示', { type: 'warning' })
+    .then(async () => {
+      await deleteUser(row.id)
+      ElMessage.success('删除成功')
+      loadUsers()
+    })
+    .catch(() => {})
+}
+
+onMounted(() => {
+  loadUsers()
+  loadFactories()
+})
+</script>

frontend/src/views/screen/ScreenFactories.vue

@@ -0,0 +1,109 @@
+<template>
+  <div>
+    <div class="screen-grid">
+      <div class="screen-card" style="grid-column: span 6;">
+        <h3>工厂地区分布</h3>
+        <div ref="regionChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 6;">
+        <h3>工厂材料分类分布</h3>
+        <div ref="categoryChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 12;">
+        <h3>工厂列表</h3>
+        <div class="scroll-list">
+          <div class="scroll-inner">
+            <div v-for="item in factories" :key="item.id" class="scroll-item" @click="goDetail(item)">
+              <div>{{ item.factory_name }} · {{ formatRegion(item.province, item.city, '') }}</div>
+              <div style="font-size: 12px; color: #9fb3c8;">{{ item.website }}</div>
+            </div>
+            <div v-for="item in factories" :key="`copy-${item.id}`" class="scroll-item" @click="goDetail(item)">
+              <div>{{ item.factory_name }} · {{ formatRegion(item.province, item.city, '') }}</div>
+              <div style="font-size: 12px; color: #9fb3c8;">{{ item.website }}</div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, onBeforeUnmount } from 'vue'
+import { useRouter } from 'vue-router'
+import * as echarts from 'echarts'
+import { regionLabel, formatRegion } from '@/utils/region'
+import { fetchFactoryStats } from '@/api/statistics'
+
+const router = useRouter()
+const factories = ref([])
+const regionChart = ref(null)
+const categoryChart = ref(null)
+let charts = []
+let timer = null
+const onResize = () => charts.forEach((chart) => chart.resize())
+
+const initCharts = () => {
+  charts = [
+    echarts.init(regionChart.value),
+    echarts.init(categoryChart.value)
+  ]
+}
+
+const updateCharts = (data) => {
+  const regionData = (data.region_stats || []).map((item) => ({
+    name: `${regionLabel(item.province)}-${regionLabel(item.city)}`,
+    value: item.count
+  }))
+  charts[0].setOption({
+    tooltip: { trigger: 'item' },
+    series: [{ type: 'pie', radius: ['30%', '70%'], data: regionData }]
+  })
+
+  const factoryStats = data.factory_category_stats || []
+  const factoriesAxis = factoryStats.map((item) => item.factory_name)
+  const categories = [...new Set(factoryStats.flatMap((item) => item.categories.map((c) => c.material_category)))]
+
+  const series = categories.map((cat) => ({
+    name: cat,
+    type: 'bar',
+    stack: 'total',
+    data: factoryStats.map((item) => {
+      const found = item.categories.find((c) => c.material_category === cat)
+      return found ? found.count : 0
+    })
+  }))
+
+  charts[1].setOption({
+    tooltip: { trigger: 'axis' },
+    legend: { textStyle: { color: '#c9d7e6' } },
+    grid: { left: 40, right: 20, top: 30, bottom: 40 },
+    xAxis: { type: 'category', data: factoriesAxis, axisLabel: { color: '#9fb3c8', rotate: 20 } },
+    yAxis: { type: 'value', axisLabel: { color: '#9fb3c8' } },
+    series
+  })
+}
+
+const loadData = async () => {
+  const data = await fetchFactoryStats()
+  factories.value = data.factories_list || []
+  updateCharts(data)
+}
+
+const goDetail = (item) => {
+  router.push(`/factories/${item.id}`)
+}
+
+onMounted(async () => {
+  initCharts()
+  await loadData()
+  timer = setInterval(loadData, 10000)
+  window.addEventListener('resize', onResize)
+})
+
+onBeforeUnmount(() => {
+  charts.forEach((chart) => chart.dispose())
+  clearInterval(timer)
+  window.removeEventListener('resize', onResize)
+})
+</script>

frontend/src/views/screen/ScreenMaterials.vue

@@ -0,0 +1,148 @@
+<template>
+  <div>
+    <div class="toolbar" style="margin-bottom: 16px;">
+      <el-select v-model="subcategory" placeholder="按材料子类筛选" clearable @change="loadData" style="width: 220px">
+        <el-option v-for="item in subcategories" :key="item" :label="item" :value="item" />
+      </el-select>
+    </div>
+
+    <div class="screen-grid">
+      <div class="screen-card" style="grid-column: span 4;">
+        <h3>材料星级对比</h3>
+        <div ref="starChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 4;">
+        <h3>竞争优势与替代材料</h3>
+        <div ref="advChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 4;">
+        <h3>应用场景对比</h3>
+        <div ref="sceneChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 12;">
+        <h3>材料列表</h3>
+        <div class="scroll-list">
+          <div class="scroll-inner">
+            <div v-for="item in materials" :key="item.id" class="scroll-item" @click="goDetail(item)">
+              <div>{{ item.name }} · {{ item.material_subcategory }}</div>
+              <div style="font-size: 12px; color: #9fb3c8;">{{ item.factory_name }}</div>
+            </div>
+            <div v-for="item in materials" :key="`copy-${item.id}`" class="scroll-item" @click="goDetail(item)">
+              <div>{{ item.name }} · {{ item.material_subcategory }}</div>
+              <div style="font-size: 12px; color: #9fb3c8;">{{ item.factory_name }}</div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, onBeforeUnmount } from 'vue'
+import { useRouter } from 'vue-router'
+import * as echarts from 'echarts'
+import { fetchMaterialStats } from '@/api/statistics'
+
+const router = useRouter()
+const subcategory = ref('')
+const subcategories = ref([])
+const materials = ref([])
+const starChart = ref(null)
+const advChart = ref(null)
+const sceneChart = ref(null)
+let timer = null
+let charts = []
+let choices = {
+  advantage: [],
+  replace_type: [],
+  application_scene: []
+}
+const onResize = () => charts.forEach((chart) => chart.resize())
+
+const initCharts = () => {
+  charts = [
+    echarts.init(starChart.value),
+    echarts.init(advChart.value),
+    echarts.init(sceneChart.value)
+  ]
+}
+
+const mapLabel = (list, value) => {
+  if (!value) return '未设置'
+  const found = list.find((item) => item[0] === value)
+  return found ? found[1] : value
+}
+
+const updateCharts = (data) => {
+  const levels = data.levels || [1, 2, 3]
+  charts[0].setOption({
+    tooltip: { trigger: 'axis' },
+    legend: { textStyle: { color: '#c9d7e6' } },
+    xAxis: { type: 'category', data: levels.map((l) => `${l}星`), axisLabel: { color: '#9fb3c8' } },
+    yAxis: { type: 'value', axisLabel: { color: '#9fb3c8' } },
+    series: [
+      { name: '质量', type: 'line', data: data.star_stats.quality_level, smooth: true },
+      { name: '耐久', type: 'line', data: data.star_stats.durability_level, smooth: true },
+      { name: '环保', type: 'line', data: data.star_stats.eco_level, smooth: true },
+      { name: '低碳', type: 'line', data: data.star_stats.carbon_level, smooth: true },
+      { name: '总评', type: 'line', data: data.star_stats.score_level, smooth: true }
+    ]
+  })
+
+  const advStats = data.advantage_replace_stats || []
+  const advTypes = [...new Set(advStats.map((item) => item.advantage))]
+  const replaceTypes = [...new Set(advStats.map((item) => item.replace_type))]
+  const series = replaceTypes.map((type) => ({
+    name: mapLabel(choices.replace_type, type),
+    type: 'bar',
+    data: advTypes.map((adv) => {
+      const found = advStats.find((item) => item.advantage === adv && item.replace_type === type)
+      return found ? found.count : 0
+    })
+  }))
+  charts[1].setOption({
+    tooltip: { trigger: 'axis' },
+    legend: { textStyle: { color: '#c9d7e6' } },
+    xAxis: { type: 'category', data: advTypes.map((adv) => mapLabel(choices.advantage, adv)), axisLabel: { color: '#9fb3c8' } },
+    yAxis: { type: 'value', axisLabel: { color: '#9fb3c8' } },
+    series
+  })
+
+  const sceneStats = data.application_scene_stats || []
+  charts[2].setOption({
+    xAxis: { type: 'category', data: sceneStats.map((item) => mapLabel(choices.application_scene, item.application_scene)), axisLabel: { color: '#9fb3c8' } },
+    yAxis: { type: 'value', axisLabel: { color: '#9fb3c8' } },
+    series: [{ type: 'bar', data: sceneStats.map((item) => item.count), itemStyle: { color: '#f2b24c' } }]
+  })
+}
+
+const loadData = async () => {
+  const data = await fetchMaterialStats(subcategory.value ? { material_subcategory: subcategory.value } : {})
+  subcategories.value = data.subcategories || []
+  materials.value = data.materials_list || []
+  choices = {
+    advantage: data.advantage_choices || [],
+    replace_type: data.replace_type_choices || [],
+    application_scene: data.application_scene_choices || []
+  }
+  updateCharts(data)
+}
+
+const goDetail = (item) => {
+  router.push(`/materials/${item.id}`)
+}
+
+onMounted(async () => {
+  initCharts()
+  await loadData()
+  timer = setInterval(loadData, 10000)
+  window.addEventListener('resize', onResize)
+})
+
+onBeforeUnmount(() => {
+  charts.forEach((chart) => chart.dispose())
+  clearInterval(timer)
+  window.removeEventListener('resize', onResize)
+})
+</script>

frontend/src/views/screen/ScreenOverview.vue

@@ -0,0 +1,173 @@
+<template>
+  <div>
+    <div class="stat-cards">
+      <div class="stat-card">
+        <div class="label">材料总数</div>
+        <div class="value">{{ stats.total_materials || 0 }}</div>
+      </div>
+      <div class="stat-card">
+        <div class="label">材料种类</div>
+        <div class="value">{{ stats.total_material_categories || 0 }}</div>
+      </div>
+      <div class="stat-card">
+        <div class="label">品牌数</div>
+        <div class="value">{{ stats.total_brands || 0 }}</div>
+      </div>
+    </div>
+
+    <div class="screen-grid" style="margin-top: 18px;">
+      <div class="screen-card" style="grid-column: span 4;">
+        <h3>专业类别分布</h3>
+        <div ref="majorChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 4;">
+        <h3>材料子类分布</h3>
+        <div ref="subChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 4;">
+        <h3>品牌材料分布</h3>
+        <div ref="brandChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 6;">
+        <h3>工厂地区分布</h3>
+        <div ref="regionChart" style="height: 260px;"></div>
+      </div>
+      <div class="screen-card" style="grid-column: span 6;">
+        <h3>应用案例</h3>
+        <div class="scroll-list">
+          <div class="scroll-inner">
+            <div v-for="item in casesList" :key="item.id" class="scroll-item" @click="goMaterial(item)">
+              <div>{{ item.name }}</div>
+              <div style="font-size: 12px; color: #9fb3c8;">{{ item.factory_name }}</div>
+            </div>
+            <div v-for="item in casesList" :key="`copy-${item.id}`" class="scroll-item" @click="goMaterial(item)">
+              <div>{{ item.name }}</div>
+              <div style="font-size: 12px; color: #9fb3c8;">{{ item.factory_name }}</div>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, onMounted, onBeforeUnmount } from 'vue'
+import { useRouter } from 'vue-router'
+import * as echarts from 'echarts'
+import { regionLabel } from '@/utils/region'
+import { fetchOverviewStats } from '@/api/statistics'
+
+const router = useRouter()
+const stats = ref({})
+const casesList = ref([])
+const majorChart = ref(null)
+const subChart = ref(null)
+const brandChart = ref(null)
+const regionChart = ref(null)
+let timer = null
+let charts = []
+const onResize = () => charts.forEach((chart) => chart.resize())
+
+const initCharts = () => {
+  charts = [
+    echarts.init(majorChart.value),
+    echarts.init(subChart.value),
+    echarts.init(brandChart.value),
+    echarts.init(regionChart.value)
+  ]
+}
+
+const updateCharts = () => {
+  const majorLabel = {
+    architecture: '建筑',
+    landscape: '景观',
+    equipment: '设备',
+    decoration: '装修'
+  }
+  const majorData = (stats.value.major_category_stats || []).map((item) => ({
+    name: majorLabel[item.major_category] || item.major_category,
+    value: item.count
+  }))
+  charts[0].setOption({
+    tooltip: { trigger: 'item' },
+    series: [
+      {
+        type: 'pie',
+        radius: ['40%', '70%'],
+        data: majorData
+      }
+    ]
+  })
+
+  const subData = stats.value.material_subcategory_stats || []
+  charts[1].setOption({
+    grid: { left: 80, right: 20, top: 20, bottom: 20 },
+    xAxis: { type: 'value', axisLabel: { color: '#9fb3c8' } },
+    yAxis: {
+      type: 'category',
+      data: subData.map((item) => item.material_subcategory),
+      axisLabel: { color: '#9fb3c8' }
+    },
+    series: [
+      { type: 'bar', data: subData.map((item) => item.count), itemStyle: { color: '#7cb4e3' } }
+    ]
+  })
+
+  const brandData = (stats.value.brand_stats || []).map((item) => ({
+    name: item.factory__factory_name,
+    value: item.count
+  }))
+  charts[2].setOption({
+    series: [
+      {
+        type: 'treemap',
+        data: brandData,
+        label: { show: true, color: '#0b121c' },
+        itemStyle: {
+          borderColor: '#0b121c'
+        }
+      }
+    ]
+  })
+
+  const regionData = (stats.value.region_stats || []).map((item) => ({
+    name: `${regionLabel(item.province)}-${regionLabel(item.city)}`,
+    value: item.count
+  }))
+  charts[3].setOption({
+    tooltip: { trigger: 'item' },
+    series: [
+      {
+        type: 'pie',
+        radius: ['30%', '70%'],
+        data: regionData
+      }
+    ]
+  })
+}
+
+const loadData = async () => {
+  const data = await fetchOverviewStats()
+  stats.value = data
+  casesList.value = data.cases_list || []
+  updateCharts()
+}
+
+const goMaterial = (item) => {
+  router.push(`/materials/${item.id}`)
+}
+
+onMounted(async () => {
+  initCharts()
+  await loadData()
+  timer = setInterval(loadData, 10000)
+  window.addEventListener('resize', onResize)
+})
+
+onBeforeUnmount(() => {
+  charts.forEach((chart) => chart.dispose())
+  clearInterval(timer)
+  window.removeEventListener('resize', onResize)
+})
+</script>

frontend/vite.config.js

@@ -0,0 +1,15 @@
+import { defineConfig } from 'vite'
+import vue from '@vitejs/plugin-vue'
+import path from 'path'
+
+export default defineConfig({
+  plugins: [vue()],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, 'src')
+    }
+  },
+  server: {
+    port: 5173
+  }
+})