timetag.java

CMS（内容管理系统）

package com.wrox.ch10;

import javax.servlet.http.*;
import javax.servlet.jsp.tagext.*;
import javax.servlet.jsp.*;
import java.text.SimpleDateFormat;
import java.io.*;

public class timeTag extends TagSupport 
{
	String format = "HH:mm:ss";

	public void setFormat(String newFormat){
	  format = newFormat;
	}
	public int doEndTag() throws JspException {
	  SimpleDateFormat sdf;
	  sdf = new SimpleDateFormat (format);

	  String time = sdf.format(new java.util.Date());
	  try
	  {
	  	pageContext.getOut().print(time);
	  }
	  catch (Exception e )
	  {
		  throw new JspException (e.toString());		 
	  }
		return EVAL_PAGE;
	}
};