标签:import lips 配置 erp stl star ges row dota
礼悟:
好好学习合思考,尊师重道存感恩。叶见寻根三返一,江河湖海同一体。
虚怀若谷良心主,愿行无悔给最苦。读书锻炼强身心,诚劝且行且珍惜。
javaEE:7
javaSE:1.8
JSTL:1.2.2
server:tomcat 8.5
browser:Chrome/Firefox
os:windows7 x64
ide:MyEclipse 2017
项目结构

jizuiku-tags.tld
<?xml version="1.0" encoding="UTF-8"?>
<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 http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
version="2.0">
<tlib-version>1.0</tlib-version>
<short-name>jzk</short-name>
<uri>http://www.jizuiku.com/tags/1.0</uri>
<!-- 配置标签 -->
<tag>
<name>sayHelloWoldFromMySimpleTagSupport</name><!-- 指定当前标签的名称 -->
<tag-class>com.jizuiku.tag.MySimpleTagSupport</tag-class><!-- 当前标签的处理类 -->
<body-content>empty</body-content><!-- 指定标签体的类型 empty空标签 -->
</tag>
</taglib>
MySimpleTagSupport.java
package com.jizuiku.tag;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;
/**
* SimpleTagSupport 实现了 SimpleTag接口
* 将tomcat传来的礼物都保存了起来
*
* @author 博客园-给最苦
* @version V2017.12.04
*/
public class MySimpleTagSupport extends SimpleTagSupport {
@Override
public void doTag() throws JspException, IOException {
// 看看 getJspContext 方法返回的是什么?
this.getJspContext().getOut().print("HelloWoldFromMySimpleTagSupport");
}
}
MyJsp.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="j" uri="/WEB-INF/tlds/jizuiku-tags.tld"%>
<%
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 ‘MyJsp.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>
<j:sayHelloWoldFromMySimpleTagSupport/>
</body>
</html>
浏览器查看

学习资源:itcast和itheima视频库。如果您有公开的资源,可以分享给我的话,用您的资源学习也可以。
博文是观看视频后,融入思考写成的。博文好,是老师讲得好。博文坏,是 给最苦 没认真。
JSTL基础 SimpleTagSupport 自定义标签 标签体empty
标签:import lips 配置 erp stl star ges row dota
原文地址:http://www.cnblogs.com/jizuiku/p/7993986.html