1.新建MyMiddleware.py 这个是在App下建立的 2.在配置文件进行配置
MIDDLEWARE = [ 'django.middleware.security.SecurityMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.common.CommonMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.clickjacking.XFrameOptionsMiddleware', 'App.MyMiddleware.MyMiddleware' ]3.编写代码：
from django.http import HttpResponse from django.utils.deprecation import MiddlewareMixin class MyMiddleware(MiddlewareMixin): def process_request(self, request): return HttpResponse("hell")4.页面展示：
