package com.ktv.action;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import SongServiceImpl.SongServiceImpl;

import com.ktv.common.action.KtvAction;
import com.ktv.entity.Song;
import com.ktv.service.SongService;

public class SongAction extends KtvAction {
    private SongService songservice;
    private List<Song> songs = new ArrayList<Song>();
    
    public SongAction(){
        songservice = new SongServiceImpl();
    }
    
    public String songList(){
        String songname = super.getParameter("songname");
        songs = songservice.getSongsBySingeralias(songname);
        System.out.println(songname);
        System.out.println(songs.get(0).getName());
        return "songlist";
    }
    
    //getter and setter
    public List<Song> getSongs() {
        return songs;
    }

    public void setSongs(List<Song> songs) {
        this.songs = songs;
    }
    
}

$(function(){
    
    $("#btn1").click(function(){
        var songname = $("#songnameform").val();
        var data = {"songname":songname}
        var url = "/ktv/song/song!songList.action";
        $.post(url,data,function(json){
            var songlist = json.songs;
            alert(songlist);
        },"json");
    });
    
    
});

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
    <package name="song" namespace="/song" extends="json-default">
        <action name="song" class="com.ktv.action.SongAction">
            <result name="songlist" type="json"/>
        </action>
    </package>
</struts>    

public String songList(){
        String songname = super.getParameter("songname");
        songs = songservice.getSongsBySingeralias(songname);
        System.out.println(songname);
        System.out.println(songs.get(0).getName());
        return "songlist";
    }