MySQL驱动：[MySQL Connector/J(Archived Versions)](https://downloads.mysql.com/archives/c-j/) Apache DbUtils（JDBC工具库）：[DbUtils – Download Apache Commons DbUtils](https://commons.apache.org/proper/commons-dbutils/download_dbutils.cgi) 数据库连接池：[DBCP](https://commons.apache.org/proper/commons-dbcp/)