startapp courses
from django.db import models from datetime import datetime # Create your models here. class Course(models.Model): name = models.CharField(max_length=100, verbose_name='课程名') desc = models.CharField(max_length=300, verbose_name='课程描述') detail = models.TextField(verbose_name='课程详情') degree = models.CharField(max_length=10, verbose_name='课程难度', choices=(('cj', '初级'), ('zj', '中级'), ('gj', '高级'))) learn_time = models.IntegerField(default=0, verbose_name='学习时长(分钟)') learn_nums = models.IntegerField(default=0, verbose_name='学习人数') fav_nums = models.IntegerField(default=0, verbose_name='收藏人数') image = models.ImageField(max_length=100, verbose_name='封面图', upload_to='static/uploads/courses/%Y/%m') click_nums = models.IntegerField(default=0, verbose_name='点击数') add_time = models.DateTimeField(default=datetime.now, verbose_name='创建时间') class Meta: verbose_name = '课程' verbose_name_plural = verbose_name def __str__(self): return self.name class Lesson(models.Model): course = models.ForeignKey(Course, on_delete=models.CASCADE, verbose_name='课程') name = models.CharField(max_length=100, verbose_name='章节名') add_time = models.DateTimeField(default=datetime.now, verbose_name='创建时间') class Meta: verbose_name = '章节' verbose_name_plural = verbose_name def __str__(self): return self.name class Video(models.Model): lesson = models.ForeignKey(Lesson, on_delete=models.CASCADE, verbose_name='章节') name = models.CharField(max_length=100, verbose_name='章节名') add_time = models.DateTimeField(default=datetime.now, verbose_name='创建时间') class Meta: verbose_name = '视频' verbose_name_plural = verbose_name def __str__(self): return self.name class CourseResource(models.Model): course = models.ForeignKey(Course, on_delete=models.CASCADE, verbose_name='课程') name = models.CharField(max_length=100, verbose_name='资源名') download = models.FileField(max_length=100, verbose_name='上传文件', upload_to='static/uploads/courses/%Y/%m') add_time = models.DateTimeField(default=datetime.now, verbose_name='创建时间') class Meta: verbose_name = '课程资源' verbose_name_plural = verbose_name def __str__(self): return self.name
pycharm 使用vs快捷键,输完后 ctrl + alt + f 格式化代码