java jar文件，包括mysql-connector-java-5.1.6-bin.jar、tomcat-dbcp.jar、hibernate3.jar、struts.jar等，在连接数据库等方面会用到-java jar files, including mysql-connector-java-5.1.6-bin.jar, tomcat-dbcp.jar, hibernate3.jar, struts.jar, etc., will be used to connect the datab