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   | from django.shortcuts import render, HttpResponse, redirect from app01 import models from django.views import View
 
  def auth(func):     def inner(request, *args, **kwargs):         if request.session.get('is_login'):             return func(request, *args, **kwargs)         else:             return redirect('/login/')     return inner
 
  def login(request):     if request.method == 'GET':         return render(request, 'login.html')     else:         name = request.POST.get('name')         password = request.POST.get('password')         res = models.User.objects.filter(name=name, password=password).first()         if res:             request.session['name'] = name             request.session['password'] = password             request.session['is_login'] = True             return redirect('/order/')         else:             return HttpResponse('用户名或密码不正确')   
  from django.utils.decorators import method_decorator
 
  @method_decorator(auth, name='get') class Index(View):               def get(self, request, *args, **kwargs):         return HttpResponse('index')
   |