timetag_1.txt

Begining JSP Web Development外文书籍源代码

package com.wrox.ch10;

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

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;
  } 
}