jsp

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>