第三百七十五节，Django+Xadmin打造上线标准的在线教育平台—创建课程机构app，在models.py文件生成3张表，城市表、课程机构表、讲师表

 

创建名称为app_organization的课程机构APP，写数据库操作文件models.py

 

 

models.py文件

#!/usr/bin/env python# -*- coding:utf-8 -*-from __future__ import unicode_literalsfrom datetime import datetimefrom django.db import models        # 导入models对象class CityDict(models.Model):    name = models.CharField(max_length=20, verbose_name='城市')    desc = models.CharField(max_length=200, verbose_name='描述')    add_time = models.DateTimeField(default=datetime.now, verbose_name='添加日期')    class Meta:        verbose_name = '城市表'        verbose_name_plural = verbose_nameclass CourseOrg(models.Model):    name = models.CharField(max_length=50, verbose_name='机构名称')    desc = models.TextField(verbose_name='机构描述')    click = models.IntegerField(default=0, verbose_name='点击数')    fav_nums = models.IntegerField(default=0, verbose_name='收藏数')    image = models.ImageField(upload_to='org/%Y/%m', verbose_name='封面图', max_length=100)    address = models.CharField(max_length=150, verbose_name='机构地址')    city = models.ForeignKey(CityDict, verbose_name='外键城市表')    add_time = models.DateTimeField(default=datetime.now, verbose_name='添加日期')    class Meta:        verbose_name = '课程机构表'        verbose_name_plural = verbose_nameclass Teacher(models.Model):    org = models.ForeignKey(CourseOrg, verbose_name='外键课程机构表')    name = models.CharField(max_length=50, verbose_name='讲师名称')    work_years = models.IntegerField(default=0, verbose_name='工作年限')    work_company = models.CharField(max_length=50, verbose_name='就职公司')    work_position = models.CharField(max_length=50, verbose_name='公司职位')    points = models.CharField(max_length=50, verbose_name='教学特点')    click = models.IntegerField(default=0, verbose_name='点击数')    fav_nums = models.IntegerField(default=0, verbose_name='收藏数')    add_time = models.DateTimeField(default=datetime.now, verbose_name='添加日期')    class Meta:        verbose_name = '讲师表'        verbose_name_plural = verbose_name