django python登录拦截器登录过滤器中间件

目录

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拦截器

from django.utils.deprecation import  MiddlewareMixin
from django.shortcuts import   redirect

class LoginFilter(MiddlewareMixin):
    def process_request(self,request):
        url=request.path_info
        print(url,"*"*10)
        loginU=request.session.get('loginU')
        if  'login' in url:
            return
        if loginU:
            return
        return redirect('/login')

    def process_response(self,request,response):
        print("loout")
        return response

#setting.py注册中间
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',
    'app01.middleware.filter.LoginFilter'   #注册中间
]