Django 实现WEB登陆(第二版)
實現環境:
1、System version:rh6.5
2、Python version:2.6.6
3、Django version:1.2.7
創建項目:
1、[root@localhost ~]#django-admin.py startproject mysite
2、[root@localhost mysite]#python manage.py startapp app01
3、[root@localhost mysite]#mkdir templates?
4、[root@localhost mysite templates]#tourch login.html && tourch success.html
文件配置:
settings.py
[root@localhost mysite]# cat settings.py
# Django settings for mysite project.
DEBUG = True
TEMPLATE_DEBUG = DEBUG
ADMINS = (
? ? # ('Your Name', 'your_email@domain.com'),
)
MANAGERS = ADMINS
DATABASES = {
? ? 'default': {
? ? ? ? 'ENGINE': 'django.db.backends.', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
? ? ? ? 'NAME': '', ? ? ? ? ? ? ? ? ? ? ?# Or path to database file if using sqlite3.
? ? ? ? 'USER': '', ? ? ? ? ? ? ? ? ? ? ?# Not used with sqlite3.
? ? ? ? 'PASSWORD': '', ? ? ? ? ? ? ? ? ?# Not used with sqlite3.
? ? ? ? 'HOST': '', ? ? ? ? ? ? ? ? ? ? ?# Set to empty string for localhost. Not used with sqlite3.
? ? ? ? 'PORT': '', ? ? ? ? ? ? ? ? ? ? ?# Set to empty string for default. Not used with sqlite3.
? ? }
}
# Local time zone for this installation. Choices can be found here:
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# On Unix systems, a value of None will cause Django to use the same
# timezone as the operating system.
# If running in a Windows environment this must be set to the same as your
# system time zone.
TIME_ZONE = 'America/Chicago'
# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-us'
SITE_ID = 1
# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True
# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale
USE_L10N = True
# Absolute filesystem path to the directory that will hold user-uploaded files.
# Example: "/home/media/media.lawrence.com/"
MEDIA_ROOT = ''
# URL that handles the media served from MEDIA_ROOT. Make sure to use a
# trailing slash if there is a path component (optional in other cases).
# Examples: "http://media.lawrence.com", "http://example.com/media/"
MEDIA_URL = ''
# URL prefix for admin media -- CSS, JavaScript and images. Make sure to use a
# trailing slash.
# Examples: "http://foo.com/media/", "/media/".
ADMIN_MEDIA_PREFIX = '/media/'
# Make this unique, and don't share it with anybody.
SECRET_KEY = '2+^0fao!r+lv@z=u@=&u=+cl520dij-!w8=t7eh-(0b(^8hb#w'
# List of callables that know how to import templates from various sources.
TEMPLATE_LOADERS = (
? ? 'django.template.loaders.filesystem.Loader',
? ? 'django.template.loaders.app_directories.Loader',
# ? ? 'django.template.loaders.eggs.Loader',
)
MIDDLEWARE_CLASSES = (
? ? 'django.middleware.common.CommonMiddleware',
? ? 'django.contrib.sessions.middleware.SessionMiddleware',
? ? 'django.middleware.csrf.CsrfViewMiddleware',
? ? 'django.middleware.csrf.CsrfResponseMiddleware',
? ? 'django.contrib.auth.middleware.AuthenticationMiddleware',
? ? 'django.contrib.messages.middleware.MessageMiddleware',
)
ROOT_URLCONF = 'mysite.urls'
TEMPLATE_DIRS = (
? ? '/root/mysite/templates'
? ? # 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.
)
INSTALLED_APPS = (
? ? 'django.contrib.auth',
? ? 'django.contrib.contenttypes',
? ? 'django.contrib.sessions',
? ? 'django.contrib.sites',
? ? 'django.contrib.messages',
? ? 'app01'
? ? # Uncomment the next line to enable the admin:
? ? # 'django.contrib.admin',
? ? # Uncomment the next line to enable admin documentation:
? ? # 'django.contrib.admindocs',
)
[root@localhost mysite]#
models.py
urls.py
[root@localhost mysite]# cat urls.py
from django.conf.urls.defaults import *
from app01 import views
# Uncomment the next two lines to enable the admin:
# from django.contrib import admin
# admin.autodiscover()
urlpatterns = patterns('',
? ? # Example:
? ? # (r'^mysite/', include('mysite.foo.urls')),
? ? # Uncomment the admin/doc line below to enable admin documentation:
? ? # (r'^admin/doc/', include('django.contrib.admindocs.urls')),
? ? # Uncomment the next line to enable the admin:
? ? # (r'^admin/', include(admin.site.urls)),
? ? ? ? ? ? ? ? ? ? ? ?(r'^$',views.index),
? ? ? ? ? ? ? ? ? ? ? ?(r'^login/$',views.login),
)
[root@localhost mysite]#
views.py
[root@localhost app01]# cat views.py
# Create your views here.
# -*- coding:utf8 -*-
from django.shortcuts import render_to_response
from django.http import HttpResponse
from django.template import RequestContext
def index(request):
? ? return render_to_response('index.html')
def login(request):
????count = 0
? ? user_list = {'gsw1':'111','gsw2':'222','gsw3':'333'}
? ? username = request.GET['username']
? ? password = request.GET['password']
? ? if user_list.has_key(username):
? ? ? ? pass
? ? else:
? ? ? ? alert = username + ' is not exist.'
? ? ? ? return render_to_response('index.html',{'alert':alert})
? ? if username in lock:
? ? ? ? alert = "Your account is locked,please contact administrator."
? ? ? ? return render_to_response('index.html',{'alert':alert})
? ? else:
? ? ? ? while count < 3:
? ? ? ? ? ? if user_list[username] == password:
? ? ? ? ? ? ? ? #alert = 'Welcome ' + username
? ? ? ? ? ? ? ? return render_to_response('success.html')
? ? ? ? ? ? else:
? ? ? ? ? ? ? ? alert = 'Password Error'
? ? ? ? ? ? ? ? count += 1
? ? ? ? ? ? ? ? return render_to_response('index.html',{'alert':alert})
? ? ? ? else:
?? ?lock.append(username)
? ? return render_to_response('index.html'})
[root@localhost app01]#
index.html
[root@localhost templates]# cat index.html?
<!DOCTYPE html>
<html lang="en">
<head>
? ? <meta charset="UTF-8">
? ? <title>Title</title>
</head>
<body>
<a href="http://127.0.0.1:8000">index</a>
? ? <form method="get" action="/login/">
? ? ? ? Username:<input type="text" name="username"><br>
? ? ? ? Password:<input type="password" name="password"><br>
? ? ? ? <input type="submit" value="Login">
? ? </form>
? ? ` alert `
? ? ` count `
</body>
</html>
[root@localhost templates]#
success.html
[root@localhost templates]# cat success.html?
<!DOCTYPE html>
<html lang="en">
<head>
? ? <meta charset="UTF-8">
? ? <title>Title</title>
</head>
<body>
<a href='http://127.0.0.1:8000'>index</a>
Welcome
</body>
</html>
[root@localhost templates]#
本文轉自 gswljy 51CTO博客,原文鏈接:http://blog.51cto.com/guoshiwei/1900933
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