说明：  Taglib 通用标签 通用标签用来在页面表示的时候控制代码执行的过程，这些标签也允许从Action或者值堆栈中取得数据。例如地域，JavaBeans，URLs，和action。 控制标签控制程序执行，例如：if，else,iterator 数据标签管理数据的取得和创建，例如：bean，push,i18n
(Taglib generic generic label used to label the page when the control code that the implementation of the process, these labels also allows Action or value from the data stack. For example, geographical, JavaBeans, URLs, and action. Implementation of control procedures to control labeling, for example: if, else, iterator tag data acquisition and management of data created, such as: bean, push, i18n)