给予MySQL数据库api的编程，编译后得到库文件，对外提供接口，别人直接调用你的接口。这个是对于我自己的情况写的接口，你要用需要根据实际，修改接口的实现，我的仅供参考-Given the MySQL API database programming, compiled by the library file, provide interfaces, others directly call your interface. This is for my own case write interface, you should use according to the actual need, to modify the interface implementation, I am for reference only