20121022 django学习笔记1

python setup.py install #安装django

import django
print django.get_version() #显示django版本

django-admin.py startproject mysite #创建mysite工程

python manage.py runserver #运行工程

配置数据库

settings.py
ENGINE 'django.db.backends.sqlite3'
NAME 库名称

python manage.py syncdb #同步数据库，会创建定义了还没有创建的数据库

python manage.py startapp polls #创建应用polls

添加模型polls/models.py

1 import datetime
2 from django.db import models
3
4 class Poll(models.Model):
5     question = models.CharField(max_length=200)
6     pub_date = models.DateTimeField('date published')
7
8     def __unicode__(self):
9         return self.question
10
11     def was_published_today(self):
12         return self.pub_date.date() == datetime.date.today()
13
14 class Choice(models.Model):
15     poll = models.ForeignKey(Poll)
16     choice = models.CharField(max_length=200)
17     votes = models.IntegerField()
18
19     def __unicode__(self):
20         return self.choice

编辑settings.py
INSTALLED_APPS 'polls'

python manage.py sql polls
python manage.py syncdb #模型添加，同步数据库