使用jdbc驱动连接MySQL数据库简单例子， 数据库名称chaoshi，密码 root。-Jdbc driver to connect MySQL database using a simple example, the database name chaoshi, password root.

Qt4 开发环境QCreator4.6 MySQL数据库简单操作 sqldrivers中为Qt连接MySQL所要的驱动 测试环境mysql5.1-Qt4 development environment QCreator4.6 MySQL database a simple operation sqldrivers MySQL for Qt to be the driving connection test environment mysql5.1