限流Throttling

• 限流全局配置

• REST_FRAMEWORK = {
      # 循环认证，一旦认证成功则不会往下再去认证
      'DEFAULT_AUTHENTICATION_CLASSES': [
          'Restful_api.authentication.CustomerDefinedAuthentication',  # 自定义认证
          'rest_framework.authentication.SessionAuthentication',  # session认证
          'rest_framework.authentication.BasicAuthentication',  # 基础认证
  
      ],
      # 权限的全局配置
      # 'DEFAULT_PERMISSION_CLASSES': [
      #     'rest_framework.permissions.IsAuthenticated',
      # ],
  
      # 限流全局配置
      'DEFAULT_THROTTLE_CLASSES': [
          #     'rest_framework.throttling.UserRateThrottle',  # 已登录用户
          #     'rest_framework.throttling.AnonRateThrottle',  # 未登录用户
          rest_framework.throttling.ScopedRateThrottle  # 单个试图访问次数限流
      ],
      'DEFAULT_THROTTLE_RATES': {
          # 频率
          'user': '5/hour',
          'anon': '3/hour',
          "home2": "2/m",
      }
  }

   

• 单个试图定制限流时需要加命名空间,使用内部限流时,加一个类即可

• class Home2APIView(APIView):
      """限流组件"""
      # 内部限流
      # from rest_framework.throttling import UserRateThrottle,AnonRateThrottle
      # throttle_classes = [AnonRateThrottle]
      # 自定义命名空间(少用:用于定制单个视图)
      throttle_scope = "home2"
  
      def get(self, request):
          return Response(f"登录了视图HOME2{request.user}")

   

• 自定义限流组件(注释掉全局配置中的限流组件)
• 自写限流类

• from rest_framework.throttling import SimpleRateThrottle
  
  
  class OptThrottle(SimpleRateThrottle):
      rate = '5/m'
  
      def get_cache_key(self, request, view):
          return self.get_ident(request)

   

• class Home2APIView(APIView):
      """限流组件"""
      # 内部限流
      # from rest_framework.throttling import UserRateThrottle,AnonRateThrottle
      # throttle_classes = [AnonRateThrottle]
      # 自定义命名空间(少用:用于定制单个视图)
      # throttle_scope = "home2"
      # 自定义限流组件
      from opt.Throttling import OptThrottle
      throttle_classes = [OptThrottle]
  
      def get(self, request):
          return Response(f"登录了视图HOME2{request.user}")