VS配置
https://blog.csdn.net/qq_33530388/article/details/73433557
https://blog.csdn.net/YaboSun/article/details/81159125
连接
https://blog.csdn.net/li_wei_quan/article/details/80707289
操作过程
API
https://dev.mysql.com/doc/refman/5.7/en/c-api-functions.html
