package com.mycode.action;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
public class MyTag extends TagSupport {
private static final long serialVersionUID = 1L;
public MyTag() {
super();
}
@Override
public int doEndTag() throws JspException {
try {
pageContext.getOut().print("test haihao");
} catch (Exception e) {
e.printStackTrace();
}
return SKIP_BODY;
}
@Override
public void release() {
super.release();
}
}
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" 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-app_2_4.xsd">
<taglib>
<taglib-uri>/mytaglib</taglib-uri>
<taglib-location>/WEB-INF/mytaglib.tld</taglib-location>
</taglib>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
<tlib-version>1.0</tlib-version>
<jsp-version>1.2</jsp-version>
<short-name>mytaglib</short-name>
<uri>/mytaglib</uri>
<tag>
<name>hello</name>
<tag-class>com.mycode.action.MyTag</tag-class>
<body-content>empty</body-content>
</tag>
</taglib>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/mytaglib" prefix="mm" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<body>
<mm:hello/>
</body>
</html>