邏輯
註冊
登錄 ---- index --- logout
views.py
from django import forms
from django.http import HttpResponse,HttpResponseRedirect
from django.shortcuts import render_to_response
from models import User
class UserForm(forms.Form):
username = forms.CharField()
password = forms.CharField(widget=forms.PasswordInput)
def regist(req): #註冊
if req.method == 'POST':
uf = UserForm(req.POST)
if uf.is_valid():
username = uf.cleaned_data['username']
password = uf.cleaned_data['password']
User.objects.create(username = username ,password = password)
print username,password
return HttpResponseRedirect('/login/') #跳轉到那個路徑
else:
uf = UserForm()
return render_to_response('regist.html',{'uf':uf})
def login(req): #登錄
if req.method == 'POST':
uf = UserForm(req.POST)
if uf.is_valid():
username = uf.cleaned_data['username']
password = uf.cleaned_data['password']
users = User.objects.filter(username = username ,password = password) #數據庫搜素，如果users對象不爲空，代表搜索成功
if users:
response = HttpResponseRedirect('/index/')
#生成response對象設置cookie，cookie爲字典
response.set_cookie('username',username,3600)
return response #把username傳給下個頁面
else:
return HttpResponseRedirect('/login/')
else:
uf = UserForm()
return render_to_response('login.html',{'uf':uf})
def index(req):
username = req.COOKIES.get('username','') #讀取cookie
return render_to_response('index.html',{'username':username})
def logout(req):
response = HttpResponse('logout')
response.delete_cookie('username')
return responsemodels.py
from django.db import models class User(models.Model): username = models.CharField(max_length=20) password = models.CharField(max_length=200) def __unicode__(self): return self.username
templates/regist.html
<html>
<head>
</head>
<body>
<form method='post'>
`uf`.`as_p`
<input type='submit' value='ok'/>
</form>
</body>
</html>
templates/index.html
<html>
<head>
</head>
<body>
<div>
<h1>welcome `username`</h1>
<a href='/logout/'>logout</a>
</div>
</body>
</html>
templates/login.html
<html>
<head>
</head>
<body>
<form method='post'>
`uf`.`as_p`
<input type='submit' value='ok'/>
</form>
</body>
</html>
urls.py
url(r'^admin/', include(admin.site.urls)), url(r'^regist/$','blog.views.regist'), url(r'^login/$','blog.views.login'), url(r'^index/$','blog.views.index'), url(r'^logout/$','blog.views.logout'),