Django用户名密码错误提示

 

 1 from django.shortcuts import render
 2 # Create your views here.
 3 
 4 from django.shortcuts import render
 5 from django.shortcuts import redirect  #重新定向模块
 6 
 7 def login(request):
 8      #包含用户提交的所有信息
 9      #获取用户提交方法
10     #print(request.method)
11     error_msg = ""
12     if request.method == "POST":
13         #获取用户通过POST提交过来的数据
14         user =request.POST.get('user',None)
15         pwd =request.POST.get('pwd',None)
16         if user == 'root' and pwd == '123':
17             #去跳转到
18             return  redirect('http://www.baidu.com')
19         else:
20             #用户密码不匹配
21             error_msg = '用户名或密码错误'
22         # user = request.POST['user']
23         # pwd = request.POST['pwd']
24         # print(user,pwd)
25     return render(request,'login.html',{'error_msg':error_msg})

views.py