django用户登录和注销

[root@yl-web-test srv]# django-admin.py startproject lxysite
[root@yl-web-test srv]# cd lxysite/
[root@yl-web-test lxysite]# python manage.py startapp accounts
[root@yl-web-test lxysite]# ls
accounts lxysite manage.py

INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
# Uncomment the next line to enable the admin:
# 'django.contrib.admin',
# Uncomment the next line to enable admin documentation:
# 'django.contrib.admindocs',
'accounts',
)

urlpatterns = patterns('',
# Examples:
# url(r'^$', 'lxysite.views.home', name='home'),
# url(r'^lxysite/', include('lxysite.foo.urls')), # Uncomment the admin/doc line below to enable admin documentation:
# url(r'^admin/doc/', include('django.contrib.admindocs.urls')), # Uncomment the next line to enable the admin:
# url(r'^admin/', include(admin.site.urls)),
url(r'^accounts/', include('accounts.urls')),
)

[root@yl-web-test lxysite]# mkdir templates
[root@yl-web-test lxysite]# ls
accounts lxysite manage.py templates

TEMPLATE_DIRS = (
# Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
# Always use forward slashes, even on Windows.
# Don't forget to use absolute paths, not relative paths.
'/srv/lxysite/templates',
)

mysql> create database lxysite;
Query OK, 1 row affected (0.00 sec)

DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
'NAME': 'lxysite', # Or path to database file if using sqlite3.
'USER': 'root', # Not used with sqlite3.
'PASSWORD': 'password', # Not used with sqlite3.
'HOST': '10.1.101.35', # Set to empty string for localhost. Not used with sqlite3.
'PORT': '', # Set to empty string for default. Not used with sqlite3.
}
}

[root@yl-web-test lxysite]# python manage.py syncdb
Creating tables ...
Creating table auth_permission
Creating table auth_group_permissions
Creating table auth_group
Creating table auth_user_user_permissions
Creating table auth_user_groups
Creating table auth_user
Creating table django_content_type
Creating table django_session
Creating table django_siteYou just installed Django's auth system, which means you don't have any superusers defined.
Would you like to create one now? (yes/no): yes
Username (leave blank to use 'root'): liuxiaoyan
E-mail address: liuxiaoyan@test.com
Password:
Password (again):
Superuser created successfully.
Installing custom SQL ...
Installing indexes ...
Installed 0 object(s) from 0 fixture(s)

INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
# Uncomment the next line to enable the admin:
# 'django.contrib.admin',
# Uncomment the next line to enable admin documentation:
# 'django.contrib.admindocs',
'bootstrap_toolkit',
'accounts',
)

#coding=utf-8
from django import forms
from django.contrib.auth.models import User
from bootstrap_toolkit.widgets import BootstrapDateInput,BootstrapTextInput,BootstrapUneditableInputclass LoginForm(forms.Form):
username = forms.CharField(
required = True,
label=u"用户名",
error_messages={'required':'请输入用户名'},
widget=forms.TextInput(
attrs={
'placeholder':u"用户名",
}
)
) password = forms.CharField(
required=True,
label=u"密码",
error_messages={'required':u'请输入密码'},
widget=forms.PasswordInput(
attrs={
'placeholder':u"密码",
}
),
) def clean(self):
if not self.is_valid():
raise forms.ValidationError(u"用户名和密码为必填项")
else:
cleaned_data = super(LoginForm,self).clean()

# 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.models import User
from django.contrib import auth
from django.contrib import messages
from django.template.context import RequestContext from django.forms.formsets import formset_factory
from django.core.paginator import Paginator, PageNotAnInteger, EmptyPagefrom bootstrap_toolkit.widgets import BootstrapUneditableInput
from django.contrib.auth.decorators import login_requiredfrom forms import LoginFormdef 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,}))

<!DOCTYPE html>
{% load bootstrap_toolkit %}
{% load url from future %}
<html lang="en">
<head>
<meta charset="utf-8">
<title>数据库脚本发布系统</title>
<meta name="description" content="">
<meta name="author" content="朱显杰">
{% bootstrap_stylesheet_tag %}
{% bootstrap_stylesheet_tag "responsive" %}
<style type="text/css">
body {
padding-top: 60px;
}
</style>
<!--[if lt IE 9]>
<script src="//html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<!-- <script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>-->
{% bootstrap_javascript_tag %}
{% block extra_head %}{% endblock %}
</head><body> {% if password_is_wrong %}
<div class="alert alert-error">
<button type="button" class="close" data-dismiss="alert">×</button>
<h4>错误!</h4>用户名或密码错误
</div>
{% endif %}
<div class="well">
<h1>数据库脚本发布系统</h1>
<p>?</p>
<form class="form-horizontal" action="" method="post">
{% csrf_token %}
{{ form|as_bootstrap:"horizontal" }}
<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></body>
</html>

from django.conf.urls import *
from accounts.views import login,logouturlpatterns = patterns('',
url(r'login/$',login),
)

<!DOCTYPE html>
{% load bootstrap_toolkit %}<html lang="en">
{% bootstrap_stylesheet_tag %}
{% bootstrap_stylesheet_tag "responsive" %}<h1>登录成功</h1>
<a href="/accounts/logout/"><input type="button" value="登出" class="btn btn-success"></a></html>

from django.conf.urls import *
from accounts.views import login,logouturlpatterns = patterns('',
url(r'login/$',login),
url(r'logout/$',logout),
)

@login_required
def logout(request):
auth.logout(request)
return HttpResponseRedirect("/accounts/login/")