Java中使用一个Frame，在其构造方法中又写了一个Frame，在构造方法中的Frame不显示

package com.SoftWare.serviceComp.video;



import java.awt.BorderLayout;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;



import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JRootPane;



import com.SoftWare.jcappfr.BaseControl.swing.KnScrollPane;



import root.InnerFrame;

import root.KnTopoDesktop;

import uk.co.caprica.vlcj.component.EmbeddedMediaPlayerComponent;

import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;



/**

 * 

 * 承载所有设备信息的Frame,即主Frame

 * 

 * */

public class VideoInnerFrame extends InnerFrame {

//	static MainWindow frame;

	VideoMainPnl oView = null;

	//*************************************************************

//	private static final long serialVersionUID = 1L;

	private JPanel contentPane;

	//创建播放器的界面需要使用 EmbeddedMediaPlayerComponent

	EmbeddedMediaPlayerComponent playerComponent;

	public VideoInnerFrame() {

		

//		class MainW extends JFrame {

		

			/**

			 * 

			 */

		

//			public MainW() {

//				this.setUndecorated(true); // 去掉窗口的装饰

				this.getRootPane().setWindowDecorationStyle(JRootPane.NONE);

			System.out.println("liuchang ################# 44444444444444444");

			contentPane = new JPanel();

			contentPane.setLayout(new BorderLayout(250, 175));

			setContentPane(contentPane);

			JPanel videoPane = new JPanel();

			contentPane.add(videoPane, BorderLayout.CENTER);

			videoPane.setLayout(new BorderLayout(250, 175));

			//在 videoPane 创建之后实例化 playerComponent

			playerComponent=new EmbeddedMediaPlayerComponent();

			playerComponent.getVideoSurface().addMouseListener(new MouseAdapter() {

				@Override

				public void mouseClicked(MouseEvent e) {//鼠标双击事件

					int click = e.getClickCount();

					if(click==2) {

						VideoPlayer1.normal();//双击放大

					}

					if(click==1) {

						VideoPlayer1.play();//单击播放

					}

				}

			});

			//将 playerComponent 添加到 videoPane 中，并指定布局

			videoPane.add(playerComponent, BorderLayout.CENTER);

			}

			//返回媒体播放器的实例

			public EmbeddedMediaPlayer getMediaPlayer() {

				return playerComponent.getMediaPlayer();

			}

			

			

			

			

			

//		}

		

		

//	}	

	

	

	//*************************************************************

	public VideoInnerFrame(KnTopoDesktop m_KnTopoDesktop, String str,

			boolean bol1, boolean bol2, boolean bol3, boolean bol4) {

		super(m_KnTopoDesktop, str, bol1, bol2, bol3, bol4);

		oView = new VideoMainPnl(m_KnTopoDesktop);

//		frame = new MainWindow();

//		oView.Load_GUIEnd();

//		this.add(oView);

		VideoPlayer1 video = new VideoPlayer1();

//		VideoPlayer2 video2 = new VideoPlayer2();

//		VideoPlayer3 video3 = new VideoPlayer3();

//		VideoPlayer4 video4 = new VideoPlayer4();

//		VideoPlayer5 video5 = new VideoPlayer5();

//		VideoPlayer6 video6 = new VideoPlayer6();

//		VideoPlayer7 video7 = new VideoPlayer7();

//		VideoPlayer8 video8 = new VideoPlayer8();

//		VideoPlayer9 video9 = new VideoPlayer9();

		

		System.out.println("这是第几步");

		KnScrollPane knScrollPane = new KnScrollPane();

		getContentPane().add(knScrollPane, BorderLayout.CENTER);

		knScrollPane.setViewportView(oView);

		oView.add(video);

//		oView.add(frame);

//		frame.setBounds(350, 55, 250, 175);

//		this.add(frame,BorderLayout.NORTH);

		this.setResizable(false);

		this.setSize(800, 600);

		this.setVisible(true);

	}



//	public VideoInnerFrame() {

//		// TODO Auto-generated constructor stub

//	}



	/**

	 * 

	 */

	private static final long serialVersionUID = 1L;





}

package com.SoftWare.serviceComp.video;



import java.awt.EventQueue;

 



public class VideoPlayer1 {

 

		//将声明转移到类中，并设为 static   

//		static MainWindow frame;

//		static MainW frame;

		static VideoInnerFrame frame;

		public void video() {

			System.out.println("liuchang  @################## 3333333333333");

			EventQueue.invokeLater(new Runnable() {

				public void run() {

					try {

//						frame = new MainWindow();

						frame = new VideoInnerFrame();

//						frame = frame1.new MainW();

						frame.setVisible(true);

						frame.getMediaPlayer().prepareMedia("E:\\C++\\03\\test.mp4");

						frame.getMediaPlayer().toggleFullScreen();

						frame.setBounds(350, 55, 250, 175);

						} catch (Exception e) {

							e.printStackTrace();

						}

					}

			});

		}

		//播放

		public static void play() {

			frame.getMediaPlayer().play();

		}

		public static void normal() {

//			if(frame.getExtendedState() != frame.MAXIMIZED_BOTH)   

//				frame.setExtendedState(frame.MAXIMIZED_BOTH);

//			else

//				frame.setExtendedState(frame.NORMAL);

		}

}