java实现的连接mysql数据库例子。大家可以参考下。其中ConnectionFactory.java是数据库连接通用过程，JDBCUtils.java是关闭数据库的过程，StudentBiz.java是对数据库的操作，及测试-mysql java　connection implemented examples. You can refer to. Which is the　connection ConnectionFactory.java general procedure, JDBCUtils.java process is shut down the , StudentBiz.java is operation of the , and testing