iteratetag.java

来自「CMS（内容管理系统）」· Java 代码 · 共 32 行

package com.wrox.ch10;

import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;

public class iterateTag extends TagSupport
{
	private int arrayCount = 0;
	private String[] strings = null ;
	public int doStartTag(){
	  strings = (String[]) pageContext.getAttribute("strings");
	  return EVAL_BODY_INCLUDE;
	}

	public int doAfterBody() throws JspException{
	  try
	  {
	  	pageContext.getOut().print( " "+ strings[arrayCount] + "<br>");

	  }
	  catch (Exception e)
	  {
		  throw new JspException(e.toString());
	  }
	  arrayCount++;
	  if (arrayCount >= strings.length)
	  {
		  return SKIP_BODY;
	  }
	  return EVAL_BODY_AGAIN;
	}
};