Model表创建,Url映射,Views函数处理,Html生成 根据上图,视频方向与视频分类是多对多的关系,视频分类与视频信息是一对多的关系,难度级别是单一的查询条件(与之前俩者并无关系) Models.py如下: from django.db import models class Direction(models.Model): """ 方向:自动化,测试,运维,前端 """ name = models.CharField(verbose_n
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