目录一、创建数据表二、连接mysql数据库三、封装成一个完整的轻量级 ORM 风格类3.1 表结构 → 类结构3.2 简化 SQL 操作四、实现派生具体模型类五、支持多线程连接池 + ORM + 事务封装5.1 线程安全数据库连接池：
Im making a game in xna where a tank has to move over a landscape. I need to be able find the bottom of the tank when it is rotated so I can make it move up and down as the player goes over the landsc
加载中,请稍侯......