求一非常简单的关于标签用法的例子！

[giraffe10]

在线等

[JurnZhou]

http://gceclub.sun.com.cn/NASApp/sme/controller/bottomresource?GXHC_JSESSIONID=2985942877024102123&cat_id=02080103里的


Using XML and JSP together
文档有详细介绍.极之简单.

[紫翎观星]

###DateTimeTag.java###

package mytag.taglib;

import java.io.IOException;
import java.util.Date;
import java.util.Calendar;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.tagext.TagSupport;

public class DateTimeTag
extends TagSupport
{

public int doStartTag() throws JspException
{

try
{
Calendar cl = Calendar.getInstance();
cl.setTime(new Date());
StringBuffer sb = new StringBuffer();
sb.append(cl.get(1));
sb.append("年");
sb.append(cl.get(2));
sb.append("月");
sb.append(cl.get(5));
sb.append("日");

pageContext.getOut().write(sb.toString());
}
catch (IOException ex)
{
throw new JspTagException(ex.getMessage());
}
return SKIP_BODY;
}
}

==============================================================
###mytag.tld###

<?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>mytag</short-name>

<tag>
<name>curDate</name>
<tag-class>mytag.taglib.DateTimeTag</tag-class>
<body-content>empty</body-content>
</tag>
</taglib>

==============================================================
###test.jsp###
<%@ taglib uri="/WEB-INF/mytag.tld" prefix="date" %>
...
当前日期：<wst:curDate/>

[紫翎观星]

更正：
###test.jsp###

<%@ taglib uri="/WEB-INF/mytag.tld" prefix="date" %>
...
当前日期：<date:curDate/>