feat: 改为邮箱验证码注册，注册完成后自动登入

后端改动：
- RegisterSerializer 改为接收用户名+邮箱+手机号+验证码
- 验证邮箱是否已存在、用户名是否已存在
- 验证验证码有效性和正确性
- RegisterView 返回 JWT token，实现自动登入

前端改动：
- RegisterView.vue 改为邮箱验证码注册流程
- 保留用户名、邮箱、手机号字段
- 获取验证码后输入验证码完成注册
- 注册成功后自动保存 token 并跳转到首页

流程：用户名+邮箱+手机号 → 获取验证码 → 输入验证码 → 注册完成并自动登入 → 跳转首页

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

offer_backend/apps/accounts/serializers.py

@@ -5,15 +5,59 @@ from .models import VerificationCode
 User = get_user_model()
 
 
-class RegisterSerializer(serializers.ModelSerializer):
-    password = serializers.CharField(write_only=True, min_length=6)
+class RegisterSerializer(serializers.Serializer):
+    """邮箱验证码注册 serializer"""
+    username = serializers.CharField(max_length=150)
+    email = serializers.EmailField()
+    phone = serializers.CharField(max_length=20)
+    code = serializers.CharField(max_length=6, min_length=6)
 
-    class Meta:
-        model = User
-        fields = ['username', 'email', 'phone', 'password']
+    def validate_username(self, value):
+        """验证用户名是否已存在"""
+        if User.objects.filter(username=value).exists():
+            raise serializers.ValidationError('用户名已存在')
+        return value
+
+    def validate_email(self, value):
+        """验证邮箱是否已存在"""
+        if User.objects.filter(email=value).exists():
+            raise serializers.ValidationError('邮箱已被注册')
+        return value
+
+    def validate(self, attrs):
+        """验证邮箱和验证码"""
+        email = attrs.get('email')
+        code = attrs.get('code')
+
+        # 检查验证码
+        try:
+            vc = VerificationCode.objects.filter(email=email).latest('created_at')
+        except VerificationCode.DoesNotExist:
+            raise serializers.ValidationError({'code': '请先获取验证码'})
+
+        # 检查验证码是否有效
+        if not vc.is_valid():
+            raise serializers.ValidationError({'code': '验证码已过期或已使用'})
+
+        # 验证码是否正确
+        if vc.code != code:
+            vc.increment_attempts()
+            raise serializers.ValidationError({'code': '验证码错误'})
+
+        attrs['vc'] = vc
+        return attrs
 
     def create(self, validated_data):
-        return User.objects.create_user(**validated_data, role='seeker')
+        """创建用户并标记验证码为已使用"""
+        vc = validated_data.pop('vc')
+        user = User.objects.create_user(
+            username=validated_data['username'],
+            email=validated_data['email'],
+            phone=validated_data['phone'],
+            role='seeker'
+        )
+        vc.mark_as_verified()
+        return user
 
 
 class UserSerializer(serializers.ModelSerializer):

offer_backend/apps/accounts/views.py

@@ -77,10 +77,32 @@ class CustomTokenObtainPairView(TokenObtainPairView):
         return token
 
 
-class RegisterView(generics.CreateAPIView):
-    serializer_class = RegisterSerializer
+class RegisterView(APIView):
+    """邮箱验证码注册"""
     permission_classes = [AllowAny]
 
+    def post(self, request):
+        serializer = RegisterSerializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+
+        # 创建用户
+        user = serializer.save()
+
+        # 生成 JWT token
+        from rest_framework_simplejwt.tokens import RefreshToken
+        refresh = RefreshToken.for_user(user)
+
+        return Response({
+            'user': {
+                'id': user.id,
+                'username': user.username,
+                'email': user.email,
+                'role': user.role,
+            },
+            'refresh': str(refresh),
+            'access': str(refresh.access_token),
+        }, status=status.HTTP_201_CREATED)
+
 
 class MeView(APIView):
     permission_classes = [IsAuthenticated]

offer_frontend/src/views/auth/RegisterView.vue

@@ -3,42 +3,201 @@
     <el-card class="auth-card">
       <h2>求职者注册</h2>
       <el-form :model="form" @submit.prevent="handleRegister">
-        <el-form-item><el-input v-model="form.username" placeholder="用户名" /></el-form-item>
-        <el-form-item><el-input v-model="form.email" placeholder="邮箱" /></el-form-item>
-        <el-form-item><el-input v-model="form.phone" placeholder="手机号" /></el-form-item>
-        <el-form-item><el-input v-model="form.password" type="password" placeholder="密码（至少6位）" show-password /></el-form-item>
-        <el-button type="primary" native-type="submit" :loading="loading" style="width:100%">注册</el-button>
+        <!-- 用户名、邮箱、手机号 -->
+        <el-form-item v-if="!codeSent">
+          <el-input
+            v-model="form.username"
+            placeholder="请输入用户名"
+            :disabled="codeSent"
+          />
+        </el-form-item>
+        <el-form-item v-if="!codeSent">
+          <el-input
+            v-model="form.email"
+            type="email"
+            placeholder="请输入邮箱"
+            :disabled="codeSent"
+          />
+        </el-form-item>
+        <el-form-item v-if="!codeSent">
+          <el-input
+            v-model="form.phone"
+            placeholder="请输入手机号"
+            :disabled="codeSent"
+          />
+        </el-form-item>
+
+        <!-- 获取验证码按钮 -->
+        <el-form-item v-if="!codeSent">
+          <el-button
+            type="info"
+            @click="handleSendCode"
+            :loading="sendingCode"
+            style="width: 100%"
+          >
+            获取验证码
+          </el-button>
+        </el-form-item>
+
+        <!-- 验证码输入 -->
+        <el-form-item v-if="codeSent">
+          <div style="display: flex; gap: 8px;">
+            <el-input
+              v-model="form.code"
+              placeholder="请输入验证码（6位）"
+              maxlength="6"
+              style="flex: 1"
+            />
+            <el-button
+              type="info"
+              @click="handleResendCode"
+              :disabled="codeCountdown > 0"
+            >
+              {{ codeCountdown > 0 ? `${codeCountdown}s` : '重新获取' }}
+            </el-button>
+          </div>
+        </el-form-item>
+
+        <!-- 注册按钮 -->
+        <el-button
+          v-if="codeSent"
+          type="primary"
+          native-type="submit"
+          :loading="registering"
+          style="width: 100%"
+        >
+          注册
+        </el-button>
       </el-form>
-      <div style="margin-top:12px;text-align:center">
-        已有账号？<router-link to="/login">立即登录</router-link>
+
+      <div style="margin-top: 12px; text-align: center; font-size: 12px;">
+        已有账号？<router-link to="/login" style="color: #409eff; text-decoration: none;">立即登录</router-link>
       </div>
     </el-card>
   </div>
 </template>
+
 <script setup>
 import { reactive, ref } from 'vue'
 import { useRouter } from 'vue-router'
-import { register } from '@/api/auth'
+import { useAuthStore } from '@/stores/auth'
 import { ElMessage } from 'element-plus'
+import { sendCode } from '@/api/auth'
+
+const form = reactive({ username: '', email: '', phone: '', code: '' })
+const codeSent = ref(false)
+const sendingCode = ref(false)
+const registering = ref(false)
+const codeCountdown = ref(0)
 
-const form = reactive({ username: '', email: '', phone: '', password: '' })
-const loading = ref(false)
 const router = useRouter()
+const auth = useAuthStore()
 
-async function handleRegister() {
-  loading.value = true
+// 倒计时逻辑
+const startCountdown = () => {
+  codeCountdown.value = 60
+  const interval = setInterval(() => {
+    codeCountdown.value--
+    if (codeCountdown.value <= 0) clearInterval(interval)
+  }, 1000)
+}
+
+// 发送验证码
+async function handleSendCode() {
+  if (!form.username) {
+    ElMessage.warning('请输入用户名')
+    return
+  }
+  if (!form.email) {
+    ElMessage.warning('请输入邮箱')
+    return
+  }
+  if (!form.phone) {
+    ElMessage.warning('请输入手机号')
+    return
+  }
+
+  sendingCode.value = true
   try {
-    await register(form)
-    ElMessage.success('注册成功，请登录')
-    router.push('/login')
-  } catch (e) {
-    ElMessage.error(e.response?.data?.username?.[0] || '注册失败，请重试')
+    await sendCode(form.email)
+    ElMessage.success('验证码已发送到您的邮箱')
+    codeSent.value = true
+    startCountdown()
+  } catch (err) {
+    ElMessage.error(err.response?.data?.email?.[0] || err.response?.data?.error || '发送失败')
   } finally {
-    loading.value = false
+    sendingCode.value = false
+  }
+}
+
+// 重新发送验证码
+async function handleResendCode() {
+  form.code = ''
+  await handleSendCode()
+}
+
+// 注册
+async function handleRegister() {
+  if (!form.code || form.code.length !== 6) {
+    ElMessage.warning('请输入正确的6位验证码')
+    return
+  }
+
+  registering.value = true
+  try {
+    const response = await fetch('/api/auth/register/', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({
+        username: form.username,
+        email: form.email,
+        phone: form.phone,
+        code: form.code,
+      }),
+    })
+
+    if (!response.ok) {
+      const data = await response.json()
+      const errorMsg = data.code?.[0] || data.username?.[0] || data.email?.[0] || data.phone?.[0] || '注册失败'
+      ElMessage.error(errorMsg)
+      return
+    }
+
+    const data = await response.json()
+
+    // 自动登入用户
+    localStorage.setItem('access_token', data.access)
+    localStorage.setItem('refresh_token', data.refresh)
+    await auth.fetchMe()
+
+    ElMessage.success('注册成功')
+    router.push('/home')
+  } catch (err) {
+    ElMessage.error('注册失败，请稍后重试')
+  } finally {
+    registering.value = false
   }
 }
 </script>
+
 <style scoped>
-.auth-page { display:flex; justify-content:center; align-items:center; min-height:60vh; }
-.auth-card { width: 380px; }
+.auth-page {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 60vh;
+}
+
+.auth-card {
+  width: 380px;
+}
+
+h2 {
+  text-align: center;
+  margin-bottom: 24px;
+  color: #333;
+  font-weight: 600;
+}
 </style>