django數據庫關係

一對多,自關聯 manytomanyfield和中間表兩個外鍵

https://www.cnblogs.com/chichung/p/9905835.html

manytomanyfield through參數的使用

https://blog.csdn.net/hpu_yly_bj/article/details/78941104

 

https://blog.csdn.net/u013210620/article/details/79142376

 

https://blog.csdn.net/python_jw/article/details/79505310