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from django.utils.deprecation import MiddlewareMixin
from django.shortcuts import HttpResponse, redirect
class AuthMiddleware(MiddlewareMixin):
def process_request(self, request):
# 0.排除那些不需要登录就能访问的页面
# request.path_info 获取当前用户请求的URL /login/
if request.path_info in ["/login/", "/image/code/"]:
return
# 1.读取当前访问的用户的session信息，如果能读到，说明已登陆过，就可以继续向后走。
info_dict = request.session.get("info")
# print(info_dict)
if info_dict:
# 2.没有登录过，重新回到登录页面
return redirect('/login/')
