重修课程day62(django之中间件)

class MiddleWare2(MiddlewareMixin):

        def process_request(self,request):
            print("MW2  request...........")
            # return HttpResponse("666!")
        def process_view(self, request, callback, callback_args, callback_kwargs):

            # print("callback",callback)
            # print("callback_args",callback_args)
            #callback(request)
            print("MW2 process_view.....")    
            
        def process_exception(self,request,exception):
            print("MW2 process_exception...")
            print(exception)

            return HttpResponse("<h1 style=‘color:green‘>%s</h1>"%exception)
    

        def process_response(self,request, response):  # HttpResponse("yuan")
            print("MW2  response...........")
            return response