vc连接mysql范例。包括创建数据源，连接数据库，sql语句操作接口-vc connection mysql example. Including the creation of data source, database connection, sql statement interface

VC++与mysql数据库连接的方式，如果用VC和mysq开发系统时候可参考-VC++ with mysql database connection method, if the development system with VC and mysq can refer to when