开发了多角色登录与鉴权接口：实现了普通用户、企业和管理员的登录分流，并支持Token验证。

开发了权限控制接口：实现了通过数据库分配菜单权限节点，控制接口访问安全。
开发了实名认证中心：实现了个人身份证信息与企业营业执照的提交与审核接口。
开发了任务与协作大厅核心业务：实现了任务的发布、接单、状态流转以及专家邀约接口。
配置了全局环境变量与数据库引擎：集成了 PostgreSQL 数据库、Redis 缓存与 MinIO 对象存储。

system/views.py

@@ -0,0 +1,152 @@
+from rest_framework import viewsets, generics, permissions, status
+from rest_framework.response import Response
+from rest_framework.decorators import action
+from .models import Announcement, Notification, SystemConfig, AiModel, ModelToken, Skill
+from .serializers import AnnouncementSerializer, NotificationSerializer, SystemConfigSerializer, AiModelSerializer, ModelTokenSerializer, SkillSerializer
+
+class AnnouncementViewSet(viewsets.ModelViewSet):
+    """
+    @author: xujl
+    Api说明: 系统公告接口视图。管理员发布全局或定向通知公告，前端获取并展示给对应受众。
+    """
+    queryset = Announcement.objects.filter(is_deleted=False)
+    serializer_class = AnnouncementSerializer
+    
+    def get_queryset(self):
+        qs = Announcement.objects.filter(is_deleted=False).order_by('-is_recommended', '-recommend_priority', '-created_at')
+        audience = self.request.query_params.get('audience')
+        if audience:
+            qs = qs.filter(target_audience__in=[audience, 'ALL'])
+        if self.action == 'list' and not self.request.user.is_staff:
+            qs = qs.filter(is_published=True)
+        return qs
+    
+    def get_permissions(self):
+        if self.action in ['create', 'update', 'partial_update', 'destroy', 'toggle_recommend']:
+            return [permissions.IsAdminUser()]
+        return [permissions.AllowAny()]
+
+    @action(detail=True, methods=['post'])
+    def toggle_recommend(self, request, pk=None):
+        ann = self.get_object()
+        ann.is_recommended = request.data.get('is_recommended', not ann.is_recommended)
+        ann.recommend_priority = request.data.get('recommend_priority', ann.recommend_priority)
+        ann.save(update_fields=['is_recommended', 'recommend_priority'])
+        return Response({'is_recommended': ann.is_recommended, 'recommend_priority': ann.recommend_priority})
+
+class NotificationViewSet(viewsets.ModelViewSet):
+    """
+    @author: xujl
+    Api说明: 站内消息通知接口视图。用于系统内部产生的各类站内信、状态变更通知的拉取和未读/已读状态更新。
+    """
+    serializer_class = NotificationSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get_queryset(self):
+        return Notification.objects.filter(user=self.request.user, is_deleted=False)
+
+    @action(detail=True, methods=['post'])
+    def read(self, request, pk=None):
+        notification = self.get_object()
+        notification.is_read = True
+        notification.save()
+        return Response({'status': '已标记为已读'})
+
+    @action(detail=False, methods=['post'])
+    def read_all(self, request):
+        self.get_queryset().update(is_read=True)
+        return Response({'status': '全部标记为已读'})
+
+class SystemConfigViewSet(viewsets.ModelViewSet):
+    """
+    @author: xujl
+    Api说明: 系统全局动态配置接口视图。用于保存字典数据、开关配置等，避免硬编码参数。
+    """
+    queryset = SystemConfig.objects.all()
+    serializer_class = SystemConfigSerializer
+    lookup_field = 'config_key'
+    
+    def get_permissions(self):
+        if self.action in ['create', 'update', 'partial_update', 'destroy']:
+            return [permissions.IsAdminUser()]
+        return [permissions.AllowAny()]
+
+class AiModelViewSet(viewsets.ModelViewSet):
+    """
+    @author: xujl
+    Api说明: AI模型配置接口视图。统一管理平台对接的各大AI平台（如OpenAI、文心一言等）的模型参数及端点。
+    """
+    queryset = AiModel.objects.all()
+    serializer_class = AiModelSerializer
+    
+    def get_permissions(self):
+        if self.action in ['create', 'update', 'partial_update', 'destroy']:
+            return [permissions.IsAdminUser()]
+        return [permissions.IsAuthenticatedOrReadOnly()]
+
+    def get_queryset(self):
+        qs = super().get_queryset()
+        if self.action == 'list' and not self.request.user.is_staff:
+            return qs.filter(is_active=True)
+        return qs
+
+class ModelTokenViewSet(viewsets.ModelViewSet):
+    """
+    @author: xujl
+    Api说明: 大模型Token/密钥接口视图。安全管理模型请求时使用的Token或API Key认证信息。
+    """
+    serializer_class = ModelTokenSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+    def get_queryset(self):
+        return ModelToken.objects.filter(user=self.request.user)
+
+    def perform_create(self, serializer):
+        # In a real app, this would call MoRouter or another provider
+        # For now, we generate a mock token
+        import uuid
+        mock_token = f"sk-opc-{uuid.uuid4().hex}"
+        serializer.save(user=self.request.user, token_value=mock_token)
+
+
+class SkillViewSet(viewsets.ModelViewSet):
+    """
+    @author: xujl
+    Api说明: 技能字典/用户标签接口视图。用于系统内的技能标签池管理，以供任务画像和用户画像进行匹配。
+    """
+    """Admin-managed skill/expertise tags. Read-only for non-admins."""
+    queryset = Skill.objects.all()
+    serializer_class = SkillSerializer
+
+    def get_permissions(self):
+        if self.action in ['create', 'update', 'partial_update', 'destroy']:
+            return [permissions.IsAdminUser()]
+        return [permissions.AllowAny()]
+
+    def get_queryset(self):
+        qs = super().get_queryset()
+        if self.action == 'list' and not (self.request.user.is_authenticated and self.request.user.is_staff):
+            return qs.filter(is_active=True)
+        return qs
+
+from .minio_utils import minio_client
+
+class FileUploadView(generics.GenericAPIView):
+    """
+    @author: xujl
+    Api说明: 系统通用文件上传接口。对接MinIO或S3等对象存储，处理前端传入的文件并返回URL外链。
+    """
+    permission_classes = [permissions.AllowAny]
+    
+    def post(self, request):
+
+        file_obj = request.FILES.get('file')
+        if not file_obj:
+            return Response({'detail': '没有上传文件'}, status=status.HTTP_400_BAD_REQUEST)
+        
+        folder = request.data.get('folder', 'general')
+        try:
+            file_url = minio_client.upload_file(file_obj, folder=folder)
+            return Response({'url': file_url}, status=status.HTTP_201_CREATED)
+        except Exception as e:
+            return Response({'detail': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)