该文件是SSH三大框架的jar包，里面包含了spring3.04、struts2.18和hibernate3.-The file is SSH three framework of the jar bag, involved spring3.04, struts2.18 and hibernate3.55

轻量——从大小与开销两方面而言Spring都是轻量的。完整的Spring框架可以在一个大小只有1MB多的JAR文件里发布。-Lightweight- Spring from the two in terms of the size and overhead are lightweight. Complete Spring Framework can be released in a size of only 1MB JAR file.