django简单用户登陆验证

45324

django简单用户登陆验证



django简单用户登陆验证

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

一.django简单用户登陆验证   前端页面：     <div class="container  col-lg-6  col-lg-offset-4">         <br><br><br><br><br>       <form class="form-signin col-sm-4 col-lg-offset-2" action="{% url 'login' %}" role="form" method="post"> {% csrf_token %}         <h2 class="form-signin-heading">Please sign in</h2>         <input type="text" class="form-control" name="username" placeholder="Username" required="" autofocus="">         <input type="password" class="form-control" name="password" placeholder="Password" required="">         <div class="checkbox">           <label>             <input type="checkbox" value="remember-me"> Remember me           </label>         </div>         <button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>       </form>     后端验证     from django.shortcuts import render,HttpResponseRedirect     from django.contrib.auth import authenticate,login,logout     from django.contrib.auth.decorators import login_required     def acc_login(request):     if request.method == 'POST':         print request.method         username = request.POST.get('username')         passwd = request.POST.get('password')         user = authenticate(username=username,password=passwd)         print 'username:%s \n passwd:%s \n user:%s' %(username,passwd,user)         if user is not None:#pass authtencation             login(request,user)             return HttpResponseRedirect('/')         else:             return render(request,'login.html',{                 'login_err':"Wrong username or password!"             })     else:         return render(request,'login.html')

1 2 3 4 5 6 7 8 9 10

from django.contrib.auth import authenticateuser = authenticate(username='john', password='secret')if user is not None:     # the password verified for the user     if user.is_active:         print("User is valid, active and authenticated")     else:         print("The password is valid, but the account has been disabled!")else:     # the authentication system was unable to verify the username and password     print("The username and password were incorrect.")           来源：http://python.usyiyi.cn/django/intro/tutorial02.html

首页中登录／退出按钮

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

{% if  request.user.is_authenticated  %} <ul class="nav navbar-nav navbar-right">     <li class="dropdown-toggle"  data-toggle="dropdown">         <a href="{% url 'login' %}">             {{ request.user.userprofile.name }}             <span class="caret"></span>         </a>     </li>     <ul class="dropdown-menu" role="menu">       <li><a href="{% url 'logout' %}">Logout</a></li>     </ul> </ul>   {% else %} <ul class="nav navbar-nav navbar-right">   <li><a href="{% url 'login' %}">Login</a></li> </ul>   {% endif %}