playlistaction.java

ktv点歌系统前台收银有开包房

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.ktv.action.front;

import java.util.ArrayList;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.actions.DispatchAction;

import com.ktv.common.LogUtil;
import com.ktv.entity.Song;

public class PlayListAction extends DispatchAction {
	Logger loger = LogUtil.getLogger(PlayListAction.class);//定义日志对象

	public ActionForward addPlayList(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaActionForm daForm = (DynaActionForm)form;
		ArrayList<Song> list;//实例化列表对象
		Song songs;
		HttpSession session = request.getSession(); //取得session对象
		
		String[] songName=request.getParameterValues("songName");
		
		loger.error("取得歌曲数量:"+songName.length);
		for(int i=0;i<songName.length;i++){
			
			loger.error("songName:"+songName[i]);
			
			if(session.getAttribute("playList")!=null)
			{
					list=(ArrayList)session.getAttribute("playList");
				
			}
			else{
				list=new ArrayList<Song>();//创建
				
			}
			songs=new Song();
			songs.setSongName(songName[i]);
			list.add(songs);
			
			session.setAttribute("playList", list);
		}
		
		

		
		
		return mapping.findForward("songPlayList");
	}

}