musiclisttablemodel.java

java for search when you can not find suitabe codes

package edu.jlu.fuliang;

import javax.swing.table.DefaultTableModel;

public class MusicListTableModel extends DefaultTableModel {
	
	private static final int MAX_ROW = 30;
	private static final int COLUMN_COUNT = 5;
	private Object cells[][] ;
	private static MusicListTableModel musicListTableModel = null;
	
	public static MusicListTableModel getInstance(){
	         if(musicListTableModel == null)
	        	 musicListTableModel = new MusicListTableModel();
	         return musicListTableModel;
	}
	
	private  MusicListTableModel(){
		cells = new Object[MAX_ROW][COLUMN_COUNT];
	}
	
	public int getColumnCount() {
		return COLUMN_COUNT;
	}
	
	 public Object getValueAt(int r, int c) { 
		 return cells[r][c]; 
	 }
	 public void setValueAt(Object obj, int r, int c) { 
		 cells[r][c] = obj;
	 }

	 @Override
	   public String getColumnName(int column) {
	        if (column == 0) {
	            return "歌曲";
	        } else if (column == 1) {
	            return "链接";
	        }else if (column == 2){
	        	return "专辑";
	        }else if(column == 3){
	        	return "歌手";
	        }else if(column == 4){
	        	return "下载";
	        }else{
	        	return "";
	        }
	  }
}