writortag.java

来自「关于java的初学者如何使用标签源代码,很容易上手的哦!」· Java 代码 · 共 43 行

package mytag;

import java.io.IOException;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
/**
 * @author  yeeku.H.lee [e-mail]
 * @version  1.0
 * <br>Copyright (C), 2005-2008, yeeku.H.Lee
 * <br>This program is protected by copyright laws.
 * <br>Program Name:
 * <br>Date: 
 */
public class WritorTag extends TagSupport
{
    private String item;

    public void setItem (String s)
	{
		item  = s;
    }

	public String getItem ()
	{
		return item;
    }

    public int doStartTag() throws JspTagException
    {
        System.out.println("--------------");
        try
        {
            pageContext.getOut().write((String)pageContext.getAttribute(item));
            System.out.println("----dddd-" + pageContext.getAttribute(item));

        }
        catch (IOException ex)
        {
            throw new JspTagException("错误");
        }
        return EVAL_PAGE;
    }
}