利用django自带认证功能实现用户登录认证。
views.py
1 # Create your views here. 2 3 from django.shortcuts import render_to_response,render,get_object_or_404 4 from django.http import HttpResponse, HttpResponseRedirect 5 from django.contrib.auth.decorators import login_required 6 from django.template.context import RequestContext 7 from django.contrib.auth.models import User 8 from django.contrib import auth 9 10 from forms import LoginForm 11 12 def login(request): 13 if request.method == 'GET': 14 form = LoginForm() 15 return render_to_response('login.html',RequestContext(request,{'form':form,})) 16 else: 17 form = LoginForm(request.POST) 18 if form.is_valid(): 19 username = request.POST.get('username','') 20 password = request.POST.get('password','') 21 user = auth.authenticate(username=username,password=password) 22 if user is not None and user.is_active: 23 auth.login(request,user) 24 return render_to_response('index.html',RequestContext(request)) 25 else: 26 return render_to_response('login.html',RequestContext(request,{'form':form,'password_is_wrong':True})) 27 else: 28 return render_to_response('login.html',RequestContext(request,{'form':form,})) 29 30 31 @login_required 32 def logout(request): 33 auth.logout(request) 34 return HttpResponseRedirect("/login/") 35 36 37 @login_required 38 def index(request): 39 return render_to_response('index.html')
froms.py
1 #coding=utf-8 2 from django import forms 3 from django.contrib.auth.models import User 4 5 class LoginForm(forms.Form): 6 username = forms.CharField( 7 required = True, 8 label="用户名", 9 error_messages={'required':'请输入用户名'}, 10 widget=forms.TextInput( 11 attrs={ 12 'placeholder': "用户名", 13 'class':'form-control' 14 } 15 ) 16 ) 17 18 password = forms.CharField( 19 required=True, 20 label="密码", 21 error_messages={'required':'请输入密码'}, 22 widget=forms.PasswordInput( 23 attrs={ 24 'placeholder':"密码", 25 'class':'form-control' 26 } 27 ), 28 ) 29 30 def clean(self): 31 if not self.is_valid(): 32 raise forms.ValidationError("用户名和密码为必填项") 33 else: 34 cleaned_data = super(LoginForm,self).clean()
login.html
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 5 <title>登录</title> 6 <script type="text/javascript" src="/static/bootstrap/js/jquery.min.js"></script> 7 <link rel="stylesheet" type="text/css" href="/static/bootstrap/css/bootstrap.min.css"> 8 <link rel="stylesheet" type="text/css" href="/static/bootstrap/css/bootstrap-theme.min.css"> 9 <script type="text/javascript" src="/static/bootstrap/js/bootstrap.min.js"></script> 10 <style type="text/css"> 11 html,body { margin:0; padding:0; overflow:hidden; height:100%; } 12 #jz-login { margin:0 auto; border:1px solid #666; 300px; } 13 </style> 14 <script type="text/javascript"> 15 function makeItMiddle() { 16 document.getElementById('jz-login').style.marginTop = (document.getElementsByTagName('body')[0].offsetHeight - document.getElementById('jz-login').offsetHeight) / 2 + 'px'; 17 } 18 window.onload = makeItMiddle; 19 window.onresize = makeItMiddle; 20 </script> 21 </head> 22 <body> 23 {% if password_is_wrong %} 24 <div class="alert alert-error"> 25 <button type="button" class="close" data-dismiss="alert">×</button> 26 <h4>错误!</h4> 27 用户名或密码错误 28 </div> 29 {% endif %} 30 <div class="well" id="jz-login" style="margin:auto"> 31 <h1>用户登录</h1> 32 <form class="form-horizontal" action="" method="post"> 33 {% csrf_token %} 34 {{ form }} 35 <p> 36 </p> 37 <p class="form-actions"> 38 <input type="submit" value="登录" class="btn btn-primary"> 39 <a href="/contactme/"><input type="button" value="忘记密码" class="btn btn-danger"></a> 40 <a href="/contactme/"><input type="button" value="新员工？" class="btn btn-success"></a> 41 </p> 42 </form> 43 </div> 44 <script src="/static/bootstrap/js/jquery.min.js"></script> 45 <script src="/static/bootstrap/js/bootstrap.min.js"></script> 46 </body> 47 </html>