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dblog

django练习:个人博客系统开发 1.新建项目 目前SAE上预置了两个版本的django,1.2.7和1.4,默认的版本为1.2.7,在本示例中我们使用1.4版本。

创建一个新的python应用,检出svn代码到本地目录并切换到应用目录。

创建一个django project:blog。

HansontekiMacBook-Pro:hansonsblog hanson$django-admin.py startproject blog HansontekiMacBook-Pro:hansonsblog hanson$ls blog HansontekiMacBook-Pro:hansonsblog hanson$manage.py blog/ 重命名该project的根目录名为1,作为该应用的默认版本代码目录。

HansontekiMacBook-Pro:hansonsblog hanson$mv mysite 1 在默认版本目录下创建应用配置文件 config.yaml ,在其中添加如下内容:

libraries:

  • name: "django" version: "1.4" 创建文件index.wsgi,内容如下:

import sae from mysite import wsgi application = sae.create_wsgi_app(wsgi.application) 最终目录结构如下:

HansontekiMacBook-Pro:hansonsblog hanson$ ls 1 config.yaml index.wsgi manage.py blog/ HansontekiMacBook-Pro:hansonsblog hanson/1$ ls 1/blog init.py settings.py urls.py views.py 2.新建APP 在终端中打开项目目录输入

python manage.py startapp sblog 现在已建好一个名为sblog的博客应用

sblog/ init.py models.py tests.py views.py 3.Models的配置 我使用的数据库是MySQL,需要先装好MySQLdb,下面介绍一下MySQL的配置,打开setting.py。

if 'SERVER_SOFTWARE' in os.environ: # 线上模式 from sae.const import ( MYSQL_HOST, MYSQL_PORT, MYSQL_USER, MYSQL_PASS, MYSQL_DB ) else: # 本地模式 MYSQL_HOST = 'localhost' MYSQL_PORT = '3306' MYSQL_USER = 'XXXX' MYSQL_PASS = 'XXXXXX' MYSQL_DB = 'blog'

DATABASES = { 'default': { 'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'. 'NAME': MYSQL_DB, # Or path to database file if using sqlite3. 'USER': MYSQL_USER, # Not used with sqlite3. 'PASSWORD': MYSQL_PASS, # Not used with sqlite3. 'HOST': MYSQL_HOST, # Set to empty string for localhost. Not used with sqlite3. 'PORT': MYSQL_PORT, # Set to empty string for default. Not used with sqlite3. } } 如上的配置可以很方便的让我们在开发的时候使用。 接下来配置models.py。

-- coding: utf-8 --

from django.db import models from django.db.models import permalink from markdown import markdown

Create your models here.

class Category(models.Model): # 分类表

name = models.CharField(max_length=10,verbose_name=u'名称')
slug = models.CharField(max_length=50,unique=True,verbose_name=u'Slug')

def __unicode__(self):
    return self.name

@permalink
def get_absolute_url(self):
    return ('blog_category',None,{'slug':self.slug})

class Meta:
    ordering = ['id']
    verbose_name_plural = verbose_name = u'分类'

class Tag(models.Model): # 标签

tag_name = models.CharField(max_length=20,blank=True,verbose_name=u'名称')
create_time = models.DateTimeField(auto_now_add=True,verbose_name=u'建立时间')

def __unicode__(self):
    return self.tag_name

class Meta:
    verbose_name_plural = verbose_name = u'标签'

class Blog(models.Model): # 文章

caption = models.CharField(max_length=50,verbose_name=u'标题')
slug = models.SlugField(max_length=50,unique=True,verbose_name=u'Slug')
tags = models.ManyToManyField(Tag,blank=True,verbose_name=u'标签名称')
content = models.TextField(verbose_name=u'内容')
publish_time = models.DateTimeField(auto_now_add=True,verbose_name=u'发表时间')
update_time = models.DateTimeField(auto_now=True,verbose_name=u'更新时间')
counts = models.IntegerField(default=0,verbose_name=u'阅读数')
category = models.ForeignKey(Category,verbose_name=u'分类')

def __unicode__(self):
    return u'%s %s' % (self.caption,self.publish_time)

@permalink
def get_absolute_url(self):
    return ('blog_article',None,{'slug':self.slug})

class Meta:
    get_latest_by = 'publish_time'
    ordering = ['-id']
    verbose_name_plural = verbose_name = u'文章'

class ClientInfo(models.Model):

ip_address = models.CharField(max_length=20,verbose_name=u'IP地址')
time = models.DateTimeField(auto_now=True,verbose_name=u'访问时间')

def __unicode__(self):
    return u'%s %s' % (self.ip_address,self.time)

class Meta:
    get_latest_by = 'time'
    ordering = ['-id']
    verbose_name_plural = verbose_name = u'访问时间'

接下来修改setting.py。

MIDDLEWARE_CLASSES = ( 'django.middleware.common.CommonMiddleware', 'django.contrib.sessions.middleware.SessionMiddleware', 'django.middleware.csrf.CsrfViewMiddleware', 'django.contrib.auth.middleware.AuthenticationMiddleware', 'django.contrib.messages.middleware.MessageMiddleware', 'django.middleware.locale.LocaleMiddleware', # Uncomment the next line for simple clickjacking protection: # 'django.middleware.clickjacking.XFrameOptionsMiddleware', ) 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', 'sblog', ) 然后,在终端输入一下命令,检验Model的有效性:

python manage.py validate 如果一切正确,你将会看到0 errors found。

接着在终端中输入:

python manage.py syncdb 终端会显示Would you like to create one now?(yes/no):

这是让我们新建用户用于admin管理,直接新建就可以。

4.admin的配置 修改blog目录下的urls.py,添加:

from django.contrib import admin admin.autodiscover() 在patterns添加:

url(r'^admin/doc/', include('django.contrib.admindocs.urls')), url(r'^admin/', include(admin.site.urls)), 至此,打开http://1270.0.1:8080/admin/,就可以使用admin管理后台。

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