timetag.java

来自「beginJsp2.0外文书籍源代码」· Java 代码 · 共 31 行

package custom;

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;
  } 
}