Django项目总结：REST Framework APIView源码分析

APIView源码分析

子类
- generics包中
- GenericAPIView
  - 增加的模型的获取操作
  - get_queryset
  - get_object
    - lookup_field 默认pk
  - get_serializer
  - get_serializer_class
  - get_serializer_context
  - filter_queryset
  - paginator
  - paginate_queryset
  - get_paginated_response
- CreateAPIView
  - 创建的类视图
  - 继承自GenericAPIView
  - 继承自CreateModelMixin
  - 实现了post进行创建
- ListAPIView
  - 列表的类视图
  - 继承自GenericAPIView
  - 继承自ListModelMixin
  - 实现了get
- RetrieveAPIView
  - 查询单个数据的类视图
  - 继承自GenericAPIView
  - 继承自RetrieveModelMixin
  - 实现了get
- DestroyAPIView
  - 销毁数据的类视图，删除数据的类视图
  - 继承自GenericAPIView
  - 继承自DestroyModelMixin
  - 实现了delete
- UpdateAPIView
  - 更新数据的类视图
  - 继承自GenericAPIView
  - 继承自UpdateModelMixin
  - 实现了 put,patch
- ListCreateAPIView
  - 获取列表数据，创建数据的类视图
  - 继承自GenericAPIView
  - 继承自ListModelMixin
  - 继承自CreateModelMixin
  - 实现了 get,post
- RetrieveUpdateAPIView
  - 获取单个数据，更新单个数据的类视图
  - 继承自GenericAPIView
  - 继承自RetrieveModelMixin
  - 继承自UpdateModelMixin
  - 实现了 get, put, patch
- RetrieveDestroyAPIView
  - 获取单个数据，删除单个数据
  - 继承自GenericAPIView
  - 继承自RetrieveModelMixin
  - 继承自DestroyModelMixin
  - 实现了 get, delete
- RetrieveUpdateDestroyAPIView
  - 获取单个数据，更新单个数据，删除单个数据的类视图
  - 继承自GenericAPIView
  - 继承自RetrieveModelMixin
  - 继承自UpdateModelMixin
  - 继承自DestroyModelMixin
  - 实现了 get, put, patch, delete
mixins
- CreateModelMixin
  - create
  - perform_create
  - get_success_headers
- ListModelMixin
  - list
    - 查询结果集，添加分页，帮你序列化
- RetrieveModelMixin
  - retrieve
    - 获取单个对象并进行序列化
- DestroyModelMixin
  - destroy
    - 获取单个对象
    - 调用执行删除
    - 返回Respon 状态码204
  - perform_destroy
    - 默认是模型的delete
    - 如果说数据的逻辑删除
      - 重写进行保存
- UpdateModelMixin
  - update
    - 获取对象，合法验证
    - 执行更新
  - perform_update
  - partial_update
    - 差量更新，对应的就是patch
viewsets
- ViewSetMixin
  - 重写as_view
- GenericViewSet
  - 继承自GenericAPIView
  - 继承自ViewSetMixin
- ViewSet
  - 继承自APIView
  - 继承自ViewSetMixin
  - 默认什么都不支持，需要自己手动实现
- ReadOnlyModelViewSet
  - 只读的模型的视图集合
  - 继承自RetrieveModelMixin
  - 继承自ListModelMixin
  - 继承自GenericViewSet
- ModelViewSet
  - 直接封装对象的所有操作
  - 继承自GenericViewSet
  - 继承自CreateModelMixin
  - 继承自RetrieveModelMixin
  - 继承自UpdateModelMixin
  - 继承自DestroyModelMixin
  - 继承自ListModelMixin