摘要：
1. 简介目录 https://www.cnblogs.com/maple-shaw/p/9029086.html 2. 路由系统 https://www.cnblogs.com/maple-shaw/articles/9282718.html 3. 视图 https://www.cnblogs.c 阅读全文
摘要：
一：定义model时改写objects from django.db import connection from django.db import models class LockingManager(models.Manager): """ Add lock/unlock functional 阅读全文