日期：2014-05-17 浏览次数：20841 次
<?xml version="1.0" encoding="GBK"?>
<taglib 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 web-jsptaglibrary_2_0.xsd"
version="2.0">
<tlib-version>1.0</tlib-version>
<short-name>mytaglib</short-name>
<!-- 定义该标签库的URI -->
<uri>D:\Tomcat\apache-tomcat-7.0.47\webapps\study\WEB-INF\classes\mytaglib</uri>
<!-- 定义第一个标签 -->
<tag>
<!-- 定义标签名 -->
<name>helloWorld</name>
<!-- 定义标签处理类 -->
<tag-class>HelloWorldTag</tag-class>
<!-- 定义标签体为空 -->
<body-content>empty</body-content>
</tag>
</taglib>
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@page import="java.util.*" %>
<%@ taglib uri= "D:\Tomcat\apache-tomcat-7.0.47\webapps\study\WEB-INF\classes\mytaglib" prefix="mytag"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>a.jsp</title>
</head>
<body>
<mytag:helloWorld/>
</body>
</html>
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.*;
import java.io.*;
public class HelloWorldTag extends SimpleTagSupport{
public void doTag() throws JspException, IOException{
getJspContext().getOut().write("Hellow World" + new java.util.Date());
}
}