日期:2014-05-16 浏览次数:20503 次
package mytag;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;
public class HelloJSP_Taglib extends SimpleTagSupport {  //自定义Tag
    @Override
    public void doTag() throws JspException, IOException {
	this.getJspContext().getOut().write("This is my first Taglib programme.<br>");
	this.getJspContext().getOut().write("Use the Taglib you can do something like the "
                                      + "Mmakeup Language.<br>");
    }
}
 <?xml version="1.0" encoding="UTF-8"?> <taglib xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-jsptalib_2_5.xsd" version="2.0"> <tlib-version>1.0</tlib-version> <short-name>mytag</short-name> <uri>/hellojsptaglib</uri> <tag> <name>HelloJSP_Taglib</name> <tag-class>mytag.HelloJSP_Taglib</tag-class> <body-content>empty</body-content></tag> </taglib>
<%@ page language="java" import="mytag.*" pageEncoding="GB18030"%>
<%@ taglib uri="/hellojsptaglib" prefix="mytag" %>
<%@ taglib uri="/productlisttaglib" prefix="product" %>
<!--  注意这里uri要与上面的HelloJSP_Taglib.tld 文件里的uri 内容保持一致 -->
<!--  prefix 内容要与HelloJSP_Taglib.tld 文件里的short-name 内容保持一致 -->
<%
			String path = request.getContextPath();
			String basePath = request.getScheme()+"://"+request.getServerName()+
							 ":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">    
    <title>My JSP 'TestTaglib.jsp' starting page</title>    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>  
  <body>
  <center>
    <mytag:HelloJSP_Taglib/>    <!--  这里使用了自己定义的Tag   -->
  </center>
  </body> 
</html>