摘要： Struts is not only a powerful framework but also very extensible. You can extend Struts in one or more of thefollowing ways:PlugIn: Define your own Pl... 阅读全文

摘要： http://www.cnblogs.com/skywang12345/p/3154474.htmlhttps://www.rallydev.com/community/engineering/java-references-strong-soft-weak-phantom 阅读全文