Django implements Web Landing (second edition)

Implementing the Environment:

1. System version:rh6.5

2. Python version:2.6.6

3. Django version:1.2.7

To create a project:

1, [[email protected] ~] #django-admin.py startproject MySite

2, [[email protected] mysite] #python manage.py startapp app01

3, [[email protected] MySite] #mkdir templates

4, [[email protected] mysite templates] #tourch login.html && tourch success.html

File configuration:

settings.py

[email protected] mysite]# cat settings.py

# Django settings for MySite project.

DEBUG = True

Template_debug = DEBUG

ADMINS = (

# (' Your Name ', ' [email protected] '),

)

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 ': ', # 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 found here:

# Http://en.wikipedia.org/wiki/List_of_tz_zones_by_name

# Although not all choices is available on all operating systems.

# on Unix systems, a value of None would cause Django to use the same

# timezone as the operating system.

# If running in a Windows environment this must BES set to the same as your

# System time zone.

Time_zone = ' America/chicago '

# Language code for this installation. All choices can is found here:

# http://www.i18nguy.com/unicode/language-identifiers.html

Language_code = ' en-US '

site_id = 1

# If You set this to False, Django would make some optimizations so as not

# to load the internationalization machinery.

use_i18n = True

# If You set this to False, Django would not format dates, numbers and

# calendars According to the current locale

use_l10n = True

# Absolute filesystem path to the directory that'll 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 on 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+^[email protected][email protected]=&u=+cl520dij-!w8=t7eh-(0b (^8hb#w ')

# List of Callables that know what 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 the use of 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 ',

)

[Email protected] mysite]#

models.py

urls.py

[email protected] mysite]# cat urls.py

From django.conf.urls.defaults Import *

From APP01 Import views

# Uncomment the next 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),

)

[Email protected] mysite]#

views.py

[email protected] 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 was 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 '})

[Email protected] app01]#

Index.html

[email protected] templates]# cat index.html

<! DOCTYPE html>

<meta charset= "UTF-8" >

<title>Title</title>

<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>

[Email protected] templates]#

Success.html

[email protected] templates]# cat success.html

<! DOCTYPE html>

<meta charset= "UTF-8" >

<title>Title</title>

<body>

<a href= ' http://127.0.0.1:8000 ' >index</a>

Welcome

</body>

[Email protected] templates]#

This article is from the "Small Micro" blog, please make sure to keep this source http://guoshiwei.blog.51cto.com/2802413/1900933

Django implements Web Landing (second edition)