django写用户登录判定并跳转制定页面的实例

@user_util.my_login #相当于 select_all=my_login(select_all)def select_all(request): # 查询所有的书 book_list = BookInfo.objects.all() # 返回 return render(request, 'book/book_list.html', {'book_list': book_list})@user_util.my_login #相当于 select_by_id=my_login(select_by_id)def select_by_id(request,book_id): bookinfo=BookInfo.objects.get(id=book_id) return render(request,'book/book_detail.html',{'bookinfo':bookinfo})

#登陆用的装饰器def my_login(func): def inner(*args,**kwargs):  login_user_id = args[0].session.get('login_user_id')  if login_user_id:   return func(*args,**kwargs)  else:   return redirect(reverse('user:login')) return inner

def login(request): #获取cookie remember_user_name=request.COOKIES.get('remember_user_name','') return render(request, "user/login.html",{'remember_user_name':remember_user_name})def login_handler(request): # 判断请求方式 if request.method == "GET":  request_info = request.GET else:  request_info = request.POST # 获取属性 user_name = request_info.get("user_name",'').strip() user_pwd = request_info.get("user_pwd",'').strip() remember = request_info.get("remember") user_pwd = my_md5(user_pwd) user=User.objects.filter(name=user_name, pwd=user_pwd) #print(user[0].id) # 查询 if len(user) != 0:  #将登陆信息保存到session  request.session['login_user_id']=user[0].id  resp=HttpResponseRedirect(reverse("book:index"))  #记住用户名  if remember=='1':   resp.set_cookie('remember_user_name',user_name,3600*24*7)  else:   resp.set_cookie('remember_user_name',user_name,0)  return resp  # 转发  #return book_views.index(request)  # 重定向  #return HttpResponseRedirect(reverse("book:index")) else:  return HttpResponseRedirect(reverse("user:login"))