最近开始学习Struts2，为记录Struts2的学习过程，特写下《Struts2学习进阶》，在该系列文章中，开头的几篇为翻译struts2自带教程的文章，根据在学习过程中的一些问题会有所调整。-Has recently started to learn Struts2, for recording Struts2 of the learning process, close-up under the " Struts2 Learning Advanced"　in the series of articles, beginning with a few tutorials for translation struts2 own article, based on the learning process there will be some of the issues the adjustment.