JSTL是一个标准的已制定好的标记库，可以应用于各种领域。其主要优点有：

提供一组标准标记，提供统一接口，减少脚本数量

可用于编写各种动态JSP页面，简化Web编程

用于访问数据库、有条件地执行代码和支持国际化，支持XML-JSTL is a standard tag library has been developed well, can be applied to various fields. The main advantages are: to provide a set of standard tags, providing a unified interface, reducing the scr ipt involved may for the preparation of a variety of dynamic JSP page to simplify Web programming is used to access the database, conditional to execute code and supporting internationalization, support for XML