public void switchPanel(String token){
		getContentPane().removeAll();
		
		if( token.equals("sceneCreate")){
			if( this.scenePanel == null )
				this.scenePanel = new SceneCreatPanel(this);
			getContentPane().add(scenePanel);//切换成游戏场景面板
			Game.switchPanelStatus("sceneCreate");//切换游戏面板状态
		}else if( token.equals("sceneChose")){
			if( this.sceneChosePanel == null )
				this.sceneChosePanel = new StageChosePanel(this);
			getContentPane().add(sceneChosePanel);//切换到游戏场景选择面板
			Game.switchPanelStatus("sceneChose");//切换游戏面板状态
		}
		else if( token.equals("mainPanel")){
			getContentPane().add(mainPanel); //切换成游戏主面板
			Game.switchPanelStatus("mainPanel");//切换游戏面板状态
		}else if( token.equals("stageResult")){//关卡切换面板
			if( this.stageResultPanel == null )
				this.stageResultPanel = new StageResultPanel();
			getContentPane().add(stageResultPanel); //切换成游戏主面板
			Game.switchPanelStatus("stageResult");//切换游戏面板状态
		}else if( token.equals("rankingPanel")){
			if( this.rankingPanel == null )
				this.rankingPanel = new RankingPanel(this);
			getContentPane().add(rankingPanel);
			Game.switchPanelStatus("rankingPanel");
		}
		
		getContentPane().validate();
		getContentPane().repaint();
	}