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

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_literals

from datetime import datetime

from 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_name

class 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_name

class 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