listtag.java

来自「<Java网络程序设计 J2EE>随书源码」· Java 代码 · 共 45 行

package jwadbook.taglib;

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

/*
 *
 * Jian Cai
 *
 */

public class ListTag extends TagSupport {
  private int times;

  public void setTimes(int _times) {
      if(_times>0)
      {
      times = _times;
      }
      else
      {
       times = 1;
      }
  }

  public int doStartTag() {
    if (times >= 1) {
      String timeString = String.valueOf(times);
      pageContext.getSession().setAttribute("ListTagTime", timeString);
      return(EVAL_BODY_INCLUDE);
    } else {
      return(SKIP_BODY);
    }
  }
    
  public int doAfterBody() {
    if (times-- > 1) {
      return(EVAL_BODY_AGAIN);
    } else {
      return(SKIP_BODY);
    }
  }
}