Django 中间件

中间件：

 1.认证支持中间件：django.contrib.auth.middleware.AuthenticationMiddleware

 2.通用中间件：django.middleware.common.CommonMiddleware

 3.压缩中间件:django.middleware.gzip.GZipMiddleware

 4.条件化的GET中间件：django.middleware.http.ConditionalGetMiddleware

 5.反向代理支持：django.middleware.http.SetRemoteAddrFromForwardedFor

 6.回话支持中间件：django.contrib.sessions.middleware.SessionMiddleware

7.事物处理中间件：django.middleware.transaction.TransactionMiddleware