django 使用装饰器验证用户登陆 

1 def checkLogin(func):
2     def wrapper(request,*args,**kwargs):
3         is_login=request.session.get('Is_Login',False)
4         if is_login:
5             return func(request,*args,**kwargs) #此处一定要有return,否则会报返回为空的错误.
6         else:
7             return  redirect('/Index/')
8     return  wrapper

login 模块

 1 def login_user(request):
 2     if request.method == 'POST':
 3         form = LoginForm(request.POST)
 4         if form.is_valid():
 5             all_data = form.clean()   #获取post数据，例如 {'username': u'yang1', 'password': 111}
 6             exist = User.objects.filter(username = all_data['Form_username'],password = all_data['Form_password']).first()
 7             if exist:
 8                 request.session['Is_Login'] = True  #设置session的随机字段值
 9                 request.session['username'] = exist.username   #设置uname字段为登录用户
10                 return redirect('/index/')
11             else:
12                 return HttpResponse("账户或密码错误")
13     else:
14         form = LoginForm()
15     return render(request, 'login.html', {'form': form})
16  
17 @checkLogin
18 def home(request):
19         username = request.session.get('uname', False)   #获取登录用户名
20         return render(request, home.html', {'username': username}) #用户名渲染到前端页面

 

posted @ 2020-05-20 19:08  Wayde-p  阅读(302)  评论(0)  编辑  收藏  举报