feat:材料添加“阶段”和“重要等级”两列，并且返回按createtime倒序

backend/apps/material/management/commands/import_materials_from_excel.py

@@ -36,6 +36,8 @@ REPLACE_TYPE_MAP = {"平替": "alternative", "新研发": "new_development"}
 ADVANTAGE_MAP = {"品质": "quality", "成本": "cost"}
 # 星级：中文 -> 1/2/3
 STAR_LEVEL_MAP = {"一": 1, "二": 2, "三": 3, "1": 1, "2": 2, "3": 3}
+STAGE_VALUES = {choice[0] for choice in Material.STAGE_CHOICES}
+IMPORTANCE_LEVEL_VALUES = {choice[0] for choice in Material.IMPORTANCE_LEVEL_CHOICES}
 
 
 def _cell(v: Any) -> str:
@@ -88,6 +90,13 @@ def _parse_cost_compare(s: str) -> Optional[Decimal]:
         return None
 
 
+def _parse_choice(s: str, allowed_values: set) -> Optional[str]:
+    value = _cell(s)
+    if not value:
+        return None
+    return value if value in allowed_values else None
+
+
 def _first_line(s: str) -> str:
     if not s:
         return ""
@@ -248,6 +257,8 @@ class Command(BaseCommand):
                 "major_category": major_category,
                 "material_category": material_category,
                 "material_subcategory": material_subcategory,
+                "stage": _parse_choice(get(row, "阶段"), STAGE_VALUES),
+                "importance_level": _parse_choice(get(row, "重要等级"), IMPORTANCE_LEVEL_VALUES),
                 "spec": _single_line(get(row, "规格型号")) or None,
                 "standard": _single_line(get(row, "符合标准")) or None,
                 "application_scene": application_scene or None,

backend/apps/material/migrations/0004_alter_material_options_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 4.2.7 on 2026-03-18 07:21
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('material', '0003_materialcategory_materialsubcategory'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='material',
+            name='importance_level',
+            field=models.CharField(blank=True, choices=[('核心', '核心'), ('优先', '优先'), ('一般', '一般'), ('观察/受限', '观察/受限')], max_length=20, null=True, verbose_name='重要等级'),
+        ),
+        migrations.AddField(
+            model_name='material',
+            name='stage',
+            field=models.CharField(blank=True, choices=[('初步交流阶段', '初步交流阶段'), ('完成上会审议', '完成上会审议'), ('选品上样阶段', '选品上样阶段'), ('招标阶段', '招标阶段'), ('项目落地阶段', '项目落地阶段')], max_length=20, null=True, verbose_name='阶段'),
+        ),
+    ]

backend/apps/material/models.py

@@ -41,10 +41,27 @@ class Material(models.Model):
         ('approved', '已审核'),
     )
 
+    STAGE_CHOICES = (
+        ('初步交流阶段', '初步交流阶段'),
+        ('完成上会审议', '完成上会审议'),
+        ('选品上样阶段', '选品上样阶段'),
+        ('招标阶段', '招标阶段'),
+        ('项目落地阶段', '项目落地阶段'),
+    )
+
+    IMPORTANCE_LEVEL_CHOICES = (
+        ('核心', '核心'),
+        ('优先', '优先'),
+        ('一般', '一般'),
+        ('观察/受限', '观察/受限'),
+    )
+
     name = models.CharField(max_length=255, verbose_name='材料名称')
     major_category = models.CharField(max_length=20, choices=MAJOR_CATEGORY_CHOICES, verbose_name='专业类别')
     material_category = models.CharField(max_length=255, verbose_name='材料分类')
     material_subcategory = models.CharField(max_length=255, verbose_name='材料子分类')
+    stage = models.CharField(max_length=20, choices=STAGE_CHOICES, blank=True, null=True, verbose_name='阶段')
+    importance_level = models.CharField(max_length=20, choices=IMPORTANCE_LEVEL_CHOICES, blank=True, null=True, verbose_name='重要等级')
     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.JSONField(default=list, blank=True, null=True, verbose_name='应用场景')

backend/apps/material/serializers.py

@@ -21,6 +21,8 @@ class MaterialSerializer(serializers.ModelSerializer):
     brand = serializers.CharField(source='factory.brand', 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)
+    stage_display = serializers.CharField(source='get_stage_display', read_only=True)
+    importance_level_display = serializers.CharField(source='get_importance_level_display', read_only=True)
     application_scene = JSONListField(
         child=serializers.ChoiceField(choices=Material.APPLICATION_SCENE_CHOICES),
         required=False,
@@ -41,7 +43,8 @@ class MaterialSerializer(serializers.ModelSerializer):
     class Meta:
         model = Material
         fields = ['id', 'name', 'major_category', 'major_category_display', 
-                  'material_category', 'material_subcategory', 'spec', 'standard',
+                  'material_category', 'material_subcategory', 'stage', 'stage_display',
+                  'importance_level', 'importance_level_display', 'spec', 'standard',
                   'application_scene', 'application_scene_display', 'application_desc',
                   'replace_type', 'replace_type_display', 'advantage', 'advantage_display',
                   'advantage_desc', 'cost_compare', 'cost_desc', 'cases', 'brochure',
@@ -81,11 +84,14 @@ class MaterialListSerializer(serializers.ModelSerializer):
     brand = serializers.CharField(source='factory.brand', read_only=True)
     major_category_display = serializers.CharField(source='get_major_category_display', read_only=True)
     status_display = serializers.CharField(source='get_status_display', read_only=True)
+    stage_display = serializers.CharField(source='get_stage_display', read_only=True)
+    importance_level_display = serializers.CharField(source='get_importance_level_display', read_only=True)
 
     class Meta:
         model = Material
         fields = ['id', 'name', 'major_category', 'major_category_display', 
-                  'material_category', 'material_subcategory', 'factory', 
+                  'material_category', 'material_subcategory', 'stage', 'stage_display',
+                  'importance_level', 'importance_level_display', 'factory', 
                   'factory_name', 'brand', 'status', 'status_display']
 
 

backend/apps/material/views.py

@@ -18,7 +18,7 @@ class MaterialViewSet(ModelViewSet):
         """
         根据用户角色过滤材料
         """
-        queryset = Material.objects.all()
+        queryset = Material.objects.all().order_by('-created_at', '-id')
 
         # 普通用户只能看到自己工厂的材料
         if self.request.user.role != 'admin':
@@ -190,6 +190,8 @@ class MaterialViewSet(ModelViewSet):
         """
         return Response({
             'major_category': Material.MAJOR_CATEGORY_CHOICES,
+            'stage': Material.STAGE_CHOICES,
+            'importance_level': Material.IMPORTANCE_LEVEL_CHOICES,
             'replace_type': Material.REPLACE_TYPE_CHOICES,
             'advantage': Material.ADVANTAGE_CHOICES,
             'application_scene': Material.APPLICATION_SCENE_CHOICES,

backend/config/settings.py

@@ -6,6 +6,21 @@ from pathlib import Path
 from decouple import config
 import os
 
+
+def _cast_debug(value):
+    if isinstance(value, bool):
+        return value
+
+    normalized = str(value).strip().lower()
+    truthy = {'1', 'true', 't', 'yes', 'y', 'on', 'debug', 'dev', 'development'}
+    falsy = {'0', 'false', 'f', 'no', 'n', 'off', 'release', 'prod', 'production'}
+
+    if normalized in truthy:
+        return True
+    if normalized in falsy:
+        return False
+    raise ValueError(f"Invalid DEBUG value: {value}")
+
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
@@ -16,9 +31,13 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 SECRET_KEY = config('SECRET_KEY', default='django-insecure-change-in-production')
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = config('DEBUG', default=True, cast=bool)
+DEBUG = config('DEBUG', default=True, cast=_cast_debug)
 
-ALLOWED_HOSTS = config('ALLOWED_HOSTS', default='localhost,127.0.0.1', cast=lambda v: [s.strip() for s in v.split(',')])
+ALLOWED_HOSTS = config(
+    'ALLOWED_HOSTS',
+    default='localhost,127.0.0.1,testserver',
+    cast=lambda v: [s.strip() for s in v.split(',')],
+)
 
 # Application definition
 

frontend/src/views/MaterialDetail.vue

@@ -10,6 +10,8 @@
         <el-descriptions-item label="专业类别">{{ displayText(material.major_category_display) }}</el-descriptions-item>
         <el-descriptions-item label="材料分类">{{ displayText(material.material_category) }}</el-descriptions-item>
         <el-descriptions-item label="材料子类">{{ displayText(material.material_subcategory) }}</el-descriptions-item>
+        <el-descriptions-item label="阶段">{{ displayText(material.stage_display) }}</el-descriptions-item>
+        <el-descriptions-item label="重要等级">{{ displayText(material.importance_level_display) }}</el-descriptions-item>
         <el-descriptions-item label="规格型号">{{ displayText(material.spec) }}</el-descriptions-item>
         <el-descriptions-item label="符合标准">{{ displayText(material.standard) }}</el-descriptions-item>
         <el-descriptions-item label="应用场景">{{ displayList(material.application_scene_display) }}</el-descriptions-item>

frontend/src/views/MaterialManage.vue

@@ -18,6 +18,8 @@
       <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="stage_display" label="阶段" />
+      <el-table-column prop="importance_level_display" label="重要等级" />
       <el-table-column prop="brand" label="所属工厂" />
       <el-table-column prop="status_display" label="状态" width="120" />
       <el-table-column label="操作" width="320">
@@ -66,6 +68,16 @@
             <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="阶段">
+          <el-select v-model="form.stage" clearable>
+            <el-option v-for="item in stageOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
+        <el-form-item label="重要等级">
+          <el-select v-model="form.importance_level" clearable>
+            <el-option v-for="item in importanceLevelOptions" :key="item[0]" :label="item[1]" :value="item[0]" />
+          </el-select>
+        </el-form-item>
         <el-form-item label="规格型号">
           <el-input v-model="form.spec" />
         </el-form-item>
@@ -200,6 +212,8 @@ const form = reactive({
   major_category: '',
   material_category: '',
   material_subcategory: '',
+  stage: '',
+  importance_level: '',
   spec: '',
   standard: '',
   application_scene: [],
@@ -224,6 +238,8 @@ const form = reactive({
 })
 
 const majorOptions = ref([])
+const stageOptions = ref([])
+const importanceLevelOptions = ref([])
 const replaceOptions = ref([])
 const advantageOptions = ref([])
 const sceneOptions = ref([])
@@ -252,6 +268,8 @@ const loadMaterials = async () => {
 const loadChoices = async () => {
   const data = await fetchMaterialChoices()
   majorOptions.value = data.major_category
+  stageOptions.value = data.stage
+  importanceLevelOptions.value = data.importance_level
   replaceOptions.value = data.replace_type
   advantageOptions.value = data.advantage
   sceneOptions.value = data.application_scene
@@ -291,6 +309,8 @@ const resetForm = () => {
     major_category: '',
     material_category: '',
     material_subcategory: '',
+    stage: '',
+    importance_level: '',
     spec: '',
     standard: '',
     application_scene: [],