JSP 标准标记库(JSP Standard Tag Library,JSTL)是一个实现 Web 应用程序中常见的通用功能的定制标记库集,这些功能包括迭代和条件判断、数据管理格式化、XML 操作以及数据库访问。
下面介绍一下web.xml的配置
<?xml version="1.0" encoding="UTF-8"?>
- <web-app version="2.4"
- xmlns="http://java.sun.com/xml/ns/j2ee"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
- http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
- <jsp-config>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/fmt</taglib-uri>
- <taglib-location>/WEB-INF/tlds/fmt.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/fmt-rt</taglib-uri>
- <taglib-location>/WEB-INF/tlds/fmt-rt.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/core</taglib-uri>
- <taglib-location>/WEB-INF/tlds/c.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/core-rt</taglib-uri>
- <taglib-location>/WEB-INF/tlds/c-rt.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/sql</taglib-uri>
- <taglib-location>/WEB-INF/tlds/sql.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/sql-rt</taglib-uri>
- <taglib-location>/WEB-INF/tlds/sql-rt.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/x</taglib-uri>
- <taglib-location>/WEB-INF/tlds/x.tld</taglib-location>
- </taglib>
- <taglib>
- <taglib-uri>http://java.sun.com/jstl/x-rt</taglib-uri>
- <taglib-location>/WEB-INF/tlds/x-rt.tld</taglib-location>
- </taglib>
- </jsp-config>
- </web-app>