1、项目结构：
2、关键代码：
settings.py
INSTALLED_APPS = (
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'blog',
) MIDDLEWARE_CLASSES = (
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
#'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
)
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'test10',
'HOST':'localhost',
'PORT':'',
'USER':'root',
'PASSWORD':'passwd',
}
}
urls.py
url(r'^register/$', 'blog.views.register'),
url(r'^login/$','blog.views.login'),
url(r'^index/$', 'blog.views.index'),
url(r'^logout/$','blog.views.logout'),
models.py
# -*- coding: utf-8 -*-
from django.db import models class User(models.Model):
username = models.CharField(max_length=20)
password = models.CharField(max_length=30) def __unicode__(self):
return self.username
views.py
# -*- coding: utf-8 -*-
from django.shortcuts import render, render_to_response
from django.http import HttpResponse
from django import forms
from models import User
from django.http.response import HttpResponseRedirect class UserForm(forms.Form):
username = forms.CharField()
password = forms.CharField(widget=forms.PasswordInput) def register(req):
#处理post方法的数据
if req.method == "POST":
uf = UserForm(req.POST)
#如果数据有效
if uf.is_valid():
username = uf.cleaned_data['username']
password = uf.cleaned_data['password']
#username = unicode(uf.cleaned_data['username'],'UTF-8')
#password = unicode(uf.cleaned_data['password'],'UTF-8')
#print username,password
#return HttpResponse('ok')
User.objects.create(username=username,password=password)
return HttpResponseRedirect('/login/')
else:
uf = UserForm()
return render_to_response('register.html',{'uf':uf})
#处理get方法的数据
else :
uf = UserForm(req.GET)
if uf.is_valid():
username = uf.cleaned_data['username']
password = uf.cleaned_data['password']
#username = unicode(uf.cleaned_data['username'],'UTF-8')
#password = unicode(uf.cleaned_data['password'],'UTF-8')
#print username,password
#return HttpResponse('ok')
User.objects.create(username=username,password=password)
return HttpResponseRedirect('/login/')
else:
uf = UserForm()
return render_to_response('register.html',{'uf':uf}) def login(req):
if req.method == "POST":
uf = UserForm(req.POST)
if uf.is_valid():
username = uf.cleaned_data['username']
password = uf.cleaned_data['password']
#获取名字和密码
users = User.objects.filter(username__exact=username,password__exact=password)
if users:
#获取到response
response = HttpResponseRedirect('/index/')
#保存到cookie
response.set_cookie('username', username, 3600)
return response else:
return HttpResponseRedirect('/login/')
#return HttpResponseRedirect('/login/')
else:
uf = UserForm()
return render_to_response('login.html',{'uf':uf})
else :
uf = UserForm(req.GET)
if uf.is_valid():
username = uf.cleaned_data['username']
password = uf.cleaned_data['password']
users = User.objects.filter(username__exact=username,password__exact=password)
if users:
#return HttpResponseRedirect('/index/')
response = HttpResponseRedirect('/index/')
#response.set_signed_cookie('username', username, 3600)
response.set_cookie('username',username,3600)
else:
return HttpResponseRedirect('/login/')
#return HttpResponseRedirect('/login/')
else:
uf = UserForm()
return render_to_response('login.html',{'uf':uf}) def index(req):
#return HttpResponse('ok')
username = req.COOKIES.get('username','')
#return HttpResponse('welcome %s'% username)
return render_to_response('index.html',{'username':username}) def logout(req):
# 删除cookie
response = HttpResponse('logout')
response.delete_cookie('username')
return response
register.html
<body>
<form method="post">
{{uf.as_p}}
<input type="submit" value="OK"/>
</form>
</body>
login.html
<body>
<form method="post">
{{uf.as_p}}
<input type="submit" value="OK"/>
</form>
</body>
index.html
<body>
<div>
<h1>welcome , {{username}}</h1>
<a href='/logout/'>logou</a>
</div>
</body>
3、效果截图：
注册：
登陆：
登陆成功：
注销：
再次输入index主体页面，已经删除了cookie，效果如下：
在数据库中插入的数据（推荐使用SQLyog，这个真心不错）：
