linux下mysql调用，用开源项目组建自己的数据库 MYSQL的访问接口-under linux mysql call, and open source projects set up its own database MYSQL visit Interface

通用数据库源代码读取开源项目，支持扩展数据库插件从而添加其他数据库的支持-Universal Database source code reads an open source project, supports the expansion of the plugin to add support for other s