一：Xpath教程
http://www.zvon.org/xxl/XPathTutorial/General_chi/examples.html
二：Mysql参考手册
http://dev.mysql.com/doc/refman/5.1/zh/database-administration.html#server-side-overview
三：java 400本好书集合
http://www.ibook8.com/book/java.htm
