1 下載JSTL和Tomcat，可以在apache網站上下到
2 將下載到的JSTL壓縮包解壓，然后把其中的lib文件夾下的文件copy到具體應用WEB-INF/lib里，把tld目錄copy到WEB-INF目錄下
3
在web.xml文件中加入下面的語句：
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/fmt</taglib-uri>
??? <taglib-location>/WEB-INF/tld/fmt.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/fmt-rt</taglib-uri>
??? <taglib-location>/WEB-INF/tld/fmt-1_0-rt.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/core</taglib-uri>
??? <taglib-location>/WEB-INF/tld/c.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/core-rt</taglib-uri>
??? <taglib-location>/WEB-INF/tld/c-1_0-rt.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/sql</taglib-uri>
??? <taglib-location>/WEB-INF/tld/sql.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/sql-rt</taglib-uri>
??? <taglib-location>/WEB-INF/tld/sql-1_0-rt.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/x</taglib-uri>
??? <taglib-location>/WEB-INF/tld/x.tld</taglib-location>
</taglib>
<taglib>
??? <taglib-uri>http://java.sun.com/jstl/x-rt</taglib-uri>
??? <taglib-location>/WEB-INF/tld/x-1_0-rt.tld</taglib-location>
</taglib>
?
4 測試
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
??? pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="c" uri="<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Hello JSTL</title>
</head>
<body>
<c:out value="Hello,JSTL!"/>
</body>