<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
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-app_2_5.xsd">
<display-name></display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://class3g.com" prefix="class3g" %>
<%
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 'index.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>
<class3g:rq1>2011-11-11</class3g:rq1>
<class3g:rq2>2011-11-11</class3g:rq2>
</body>
</html>
package class3g.web.zy;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;public class RQ2 extends BodyTagSupport{@Overridepublic int doEndTag() throws JspException {BodyContent bc = this.getBodyContent();String content = bc.getString().toString();String[] results = content.split("-");for(String each:results){JspWriter out = this.pageContext.getOut();try {out.write(each);out.write("<br>");} catch (IOException e) {// TODO Auto-generated catch blockthrow new RuntimeException();}}return this.EVAL_PAGE;}@Overridepublic int doStartTag() throws JspException {return this.EVAL_BODY_BUFFERED;}}
<?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>there are custom tags of class3g</description>
<tlib-version>1.0</tlib-version>
<short-name>class3g</short-name>
<uri>http://class3g.com</uri>
<tag>
<description>demo1</description>
<name>rq1</name>
<tag-class>class3g.web.zy.RQ1</tag-class>
<body-content>scriptless</body-content>
</tag>
<tag>
<description>demo1</description>
<name>rq2</name>
<tag-class>class3g.web.zy.RQ2</tag-class>
<body-content>scriptless</body-content>
</tag>
</taglib>package class3g.web.zy;
import java.io.IOException;
import java.io.StringWriter;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.JspFragment;
import javax.servlet.jsp.tagext.SimpleTagSupport;
public class RQ1 extends SimpleTagSupport{
@Override
public void doTag() throws JspException, IOException {
JspFragment jf = this.getJspBody();
StringWriter sw = new StringWriter();
jf.invoke(sw);
String str = sw.toString();
String[] results = str.split("-");
for(String each:results){
JspWriter out = this.getJspContext().getOut();
out.write(each);
out.write("<br>");
}
}
}