package com.hbsi.web.tag;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.BodyContent;
import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.tagext.Tag;
public class ViewTMTag extends BodyTagSupport {
@Override
public int doEndTag() throws JspException {
BodyContent bc = this.getBodyContent();
String b = bc.getString();
String[] data = b.split("-");
JspWriter out = this.pageContext.getOut();
try {
out.println("年："+data[0]+"<br>");
out.println("月："+data[1]+"<br>");
out.println("日："+data[2]+"<br>");
} catch (IOException e) {
e.printStackTrace();
}
return Tag.EVAL_PAGE;
}
}
<?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">
<description>A tag library exercising SimpleTag handlers.</description>
<tlib-version>1.0</tlib-version>
<short-name>hbsi</short-name>
<uri>http://www.hbsi.com</uri>
<tag>
<name>viewIP</name>
<tag-class>com.hbsi.web.tag.ViewIPTag</tag-class>
<body-content>empty</body-content>
</tag>
<tag>
<name>ViewTM</name>
<tag-class>com.hbsi.web.tag.ViewTMTag</tag-class>
<body-content>JSP</body-content>
</tag>
</taglib>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://www.hbsi.com" prefix="hbsi" %>
<%
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>转换日期格式并输出</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>
<hbsi:ViewTM>2012-11-17</hbsi:ViewTM>
</body>
</html>