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= ' course description ' ) detail = models.TextField(verbose_name= ' course details ' ) degree = models.CharField(max_length=10, verbose_name= ' course difficulty ' , choices=(( ' cj ' , ' beginner ' ), ( ' zj ' , ' intermediate ' ), ( ' gj ' , ' advanced ' )) ) learn_time = models.IntegerField(default=0, verbose_name= ' Learning time (minutes) ' ) learn_nums = models.IntegerField(default=0, verbose_name='学习人数') fav_nums = models.IntegerField(default=0, verbose_name= ' Number of Favorites ' ) 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
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