1、下載安裝MySQLdb類庫
http://www.djangoproject.com/r/python-mysql/
2、修改settings.py 配置數據屬性
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
'NAME': 'djangodb', # Or path to database file if using sqlite3.
# The following settings are not used with sqlite3:
'USER': 'root',
'PASSWORD': 'root',
'HOST': '127.0.0.1', # Empty for localhost through domain sockets or '127.0.0.1' for localhost through TCP.
'PORT': '3306', # Set to empty string for default.
}
}
修改完后進入DOS進入項目目錄下執行python manage.py shell命令啟動交互界面輸入一下代碼驗證數據庫配置是否成功。沒報錯則成功！
>>> from django.db import connection
>>> cursor = connection.cursor()
3、創建一個Django app
一個項目中包含一個或多個這樣的app。app可以理解為一塊功能集合。比如產品管理模塊就包含增刪該查等功能，可以把產品管理叫做一個app。每個Django app都有獨立的models，views等，易移植和被復用。
DOS進入項目目錄 執行 python manage.py startapp products生成目錄文件如下：
products/
__init__.py
models.py
tests.py
views.py
4、編寫models
from django.db import models
# Create your models here.
class Company(models.Model):
full_name = models.CharField(max_length=30)
address = models.CharField(max_length=50)
tel = models.CharField(max_length=15,blank=True)
class Product(models.Model):
product_name = models.CharField(max_length=30)
price = models.FloatField()
stock = models.IntegerField(max_length=5)
company = models.ForeignKey(Company)
5、模型安裝（修改settings.py）
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',
'DjangoMysqlSite.products',
)
采用 python manage.py validate 檢查模型的語法和邏輯是否正確。
沒有錯誤則執行 python manage.py syncdb創建數據表。
現在你可以看到你的數據庫除了生成了products_company，products_product外還創建了其它好幾個表，這些是django管理后臺所需表暫不管。
6、簡單的增刪改查
進入python manage.py shell
from DjangoMysqlSite.products.models import Company
>>> c = Company(full_name='集團',address='杭州西湖',tel=8889989)
>>> c.save()
>>> company_list = Company.objects.all()
>>> company_list
>>> c = Company.objects.get(full_name="集團")
>>> c.tel = 123456
>>> c.save()
>>> c = Company.objects.get(full_name="集團")
>>> c.delete()
#刪除所有
>>> Company.objects.all().delete()
