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利用django自带认证功能实现用户登录认证。
views.py
# Create your views here.
from django.shortcuts import render_to_response,render,get_object_or_404
from django.http import HttpResponse, HttpResponseRedirect
from django.contrib.auth.decorators import login_required
from django.template.context import RequestContext
from django.contrib.auth.models import User
from django.contrib import auth
from forms import LoginForm
def login(request):
if request.method == 'GET':
form = LoginForm()
return render_to_response('login.html',RequestContext(request,{'form':form,}))
else:
form = LoginForm(request.POST)
if form.is_valid():
username = request.POST.get('username','')
password = request.POST.get('password','')
user = auth.authenticate(username=username,password=password)
if user is not None and user.is_active:
auth.login(request,user)
return render_to_response('index.html',RequestContext(request))
else:
return render_to_response('login.html',RequestContext(request,{'form':form,'password_is_wrong':True}))
else:
return render_to_response('login.html',RequestContext(request,{'form':form,}))
@login_required
def logout(request):
auth.logout(request)
return HttpResponseRedirect("/login/")
@login_required
def index(request):
return render_to_response('index.html')froms.py
#coding=utf-8
from django import forms
from django.contrib.auth.models import User
class LoginForm(forms.Form):
username = forms.CharField(
required = True,
label="用户名",
error_messages={'required':'请输入用户名'},
widget=forms.TextInput(
attrs={
'placeholder': "用户名",
'class':'form-control'
}
)
)
password = forms.CharField(
required=True,
label="密码",
error_messages={'required':'请输入密码'},
widget=forms.PasswordInput(
attrs={
'placeholder':"密码",
'class':'form-control'
}
),
)
def clean(self):
if not self.is_valid():
raise forms.ValidationError("用户名和密码为必填项")
else:
cleaned_data = super(LoginForm,self).clean()login.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>登录</title>
<script type="text/javascript" src="/static/bootstrap/js/jquery.min.js"></script>
<link rel="stylesheet" type="text/css" href="/static/bootstrap/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="/static/bootstrap/css/bootstrap-theme.min.css">
<script type="text/javascript" src="/static/bootstrap/js/bootstrap.min.js"></script>
<style type="text/css">
html,body { margin:0; padding:0; overflow:hidden; height:100%; }
#jz-login { margin:0 auto; border:1px solid #666; background-color:#CCC; width:300px; }
</style>
<script type="text/javascript">
function makeItMiddle() {
document.getElementById('jz-login').style.marginTop = (document.getElementsByTagName('body')[0].offsetHeight - document.getElementById('jz-login').offsetHeight) / 2 + 'px';
}
window.onload = makeItMiddle;
window.onresize = makeItMiddle;
</script>
</head>
<body>
{% if password_is_wrong %}
<div class="alert alert-error">
<button type="button" class="close" data-dismiss="alert">×</button>
<h5>错误!</h5>
用户名或密码错误
</div>
{% endif %}
<div class="well" id="jz-login" >
<h2>用户登录</h2>
<form class="form-horizontal" action="" method="post">
{% csrf_token %}
{{ form }}
<p>
</p>
<p class="form-actions">
<input type="submit" value="登录" class="btn btn-primary">
<a href="/contactme/"><input type="button" value="忘记密码" class="btn btn-danger"></a>
<a href="/contactme/"><input type="button" value="新员工？" class="btn btn-success"></a>
</p>
</form>
</div>
<script src="/static/bootstrap/js/jquery.min.js"></script>
<script src="/static/bootstrap/js/bootstrap.min.js"></script>
</body>
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