用Robot类，来连续截取屏幕图片，并通过JLabel连续加载图片，来实现一个视频录制的功能。

StartCapture.java类是主类，用来实现录制桌面图片的功能，以下是代码

package CountDown;import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Calendar;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.DefaultListModel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JSeparator;
import javax.swing.JToolBar;
import javax.swing.JWindow;
import javax.swing.ListSelectionModel;
import javax.swing.SwingConstants;
import javax.swing.border.EtchedBorder;
import Util.FrameUtils;
import Util.UI;public class StartCapture {JFrame frame = null;int WIDTH = 580;int HEIGHT = 290;JLabel titleLabel = null;JLabel timeLabel = null;JLabel currentTime = null;JWindow openFrame = null;JMenuBar bar = null;JMenu menu  = null;JMenu menu2  = null;JMenu menu3  = null;JPanel panel = null;InnerTask it = new InnerTask();boolean isRecord = false;  //视频是否正在录制Point startPoint = null;Point endPoint = null;JPanel windowPanel = null;JPanel panelRight = null;JToolBar stateBar = null;//++++++++++++++++++++++++++++++++++JList videoList = null;DefaultListModel listModel = null;JScrollPane scrollPane = null;//++++++++++++++++++++++++++++++++++public void initList(){listModel.clear();List list = CapUtils.getCaptureFolder();int length = list.size();//++++++++++++++++++++++++++++++++++++++for(int i=0;i<length;i++){listModel.addElement(" "+list.get(i));}}public StartCapture() {panelRight = new JPanel();listModel = new DefaultListModel();initList();videoList = new JList(listModel);videoList.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);videoList.setSelectedIndex(0);videoList.setVisibleRowCount(5);videoList.addMouseListener(new MouseAdapter(){@Overridepublic void mouseClicked(MouseEvent e) {
//                if(e.getClickCount() == 2 && e.getButton() == 1){
//                    String list = (String) listModel.get(videoList.getSelectedIndex());
//                    new ShowCapture(CapUtils.URL+list.trim());
//                }if(e.getButton() == 3){int index = videoList.locationToIndex(e.getPoint());videoList.setSelectedIndex(index);JPopupMenu menu = new JPopupMenu("dddddd");JMenuItem item1 = new JMenuItem("播放");JMenuItem item3 = new JMenuItem("删除");menu.add(item1);menu.add(new JSeparator(SwingConstants.HORIZONTAL));menu.add(item3);menu.show(videoList, e.getX(), e.getY());item1.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e) {if(listModel.getSize() !=0){String list = (String) listModel.get(videoList.getSelectedIndex());new ShowCapture(CapUtils.URL+list.trim());}}});item3.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e) {if(listModel.getSize() !=0){int isDelete = JOptionPane.showConfirmDialog(frame, "是否删除录制的视频？", "删除", JOptionPane.YES_NO_OPTION);if(isDelete == 0){String list = (String) listModel.get(videoList.getSelectedIndex());File file = new File(CapUtils.URL+list.trim());File[] files = file.listFiles();for(int i = 0;i<files.length;i++){files[i].delete();}file.delete();listModel.remove(videoList.getSelectedIndex());}}}});}}});scrollPane = new JScrollPane(videoList);scrollPane.setPreferredSize(new Dimension(200,200));panelRight.add(scrollPane);//+++++++++++++++++++++++++++++++++++++++panel = new JPanel(new BorderLayout());frame = new JFrame("QNM录制");frame.setLayout(new BorderLayout());Font font = new Font("",Font.ITALIC,32);timeLabel = new JLabel();timeLabel.setFont(font);Font font2 = new Font("",Font.LAYOUT_RIGHT_TO_LEFT,32);titleLabel = new JLabel(" 距离本月发饷：");titleLabel.setFont(font2);Font font3 = new Font("",Font.PLAIN,32);currentTime = new JLabel("",JLabel.RIGHT);currentTime.setFont(font3);bar = new JMenuBar();menu = new JMenu("文件");menu2 = new JMenu("录制");menu3 = new JMenu("播放");bar.add(menu);bar.add(menu2);bar.add(menu3);JMenuItem item1 = new JMenuItem("打开目录");JMenuItem item2 = new JMenuItem("开始录制");JMenuItem item3 = new JMenuItem("停止录制");JMenuItem item4 = new JMenuItem("播放录制");menu.add(item1);menu2.add(item2);menu3.add(item4);menu2.add(new JSeparator(SwingConstants.HORIZONTAL));menu2.add(item3);stateBar = new JToolBar();stateBar.setBorder(BorderFactory.createEtchedBorder(EtchedBorder.RAISED));stateBar.setEnabled(false);stateBar.add(new JLabel(" 欢迎使用QNM系统"));frame.getContentPane().add(stateBar, BorderLayout.SOUTH);frame.getContentPane().add(bar, BorderLayout.NORTH);panel.add(currentTime, BorderLayout.SOUTH);panel.add(titleLabel, BorderLayout.NORTH);panel.add(timeLabel, BorderLayout.CENTER);
//        panel.add(currentTime);
//        panel.add(titleLabel);
//        panel.add(timeLabel);frame.add(panel,BorderLayout.CENTER);frame.add(panelRight,BorderLayout.WEST);frame.setBounds(FrameUtils.getSysLocation(WIDTH, HEIGHT));//frame.setUndecorated(true);frame.setVisible(true);frame.setDefaultCloseOperation(3);//frame.setResizable(false);panel.addMouseListener(new MouseAdapter(){@Overridepublic void mouseClicked(MouseEvent e) {if(e.getButton() == 3){JOptionPane.showMessageDialog(frame, "QNM系列");}}});item2.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e) {it.startCapture();}});item3.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e) {it.stopCapture();}});item1.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e) {String cmd = "cmd /c start "+CapUtils.URL;try {Runtime.getRuntime().exec(cmd);} catch (IOException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}return;}});item4.addActionListener(new ActionListener(){public void actionPerformed(ActionEvent e) {if(listModel.getSize() !=0){String list = (String) listModel.get(videoList.getSelectedIndex());new ShowCapture(CapUtils.URL+list.trim());}else{JOptionPane.showMessageDialog(frame, "未选中任何文件");}}});Timer timer = new Timer();TimerTask task = new TimerTask(){@Overridepublic void run() {Calendar cal = Calendar.getInstance();Calendar cal2 = Calendar.getInstance();if(cal.get(Calendar.DATE)>=15){cal2.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH)+1, 15, 0, 0, 0);}else{cal2.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), 15, 0, 0, 0);}long saveTime = cal2.getTimeInMillis() - cal.getTimeInMillis();long second = saveTime/1000;long minute = second/60;long hour = minute/60;long day = hour/24;long saveHour = (hour%24);long saveMinute = minute%60;long saveSecond = second%60;String saveStr = "  "+day+"天"+saveHour+"小时"+saveMinute+"分钟"+saveSecond+"秒";cal.setTimeInMillis(System.currentTimeMillis());String time = cal.get(Calendar.YEAR) + "-"+ (cal.get(Calendar.MONTH) + 1) + "-" + cal.get(Calendar.DATE)+ " " + cal.get(Calendar.HOUR_OF_DAY)+":" +cal.get(Calendar.MINUTE)+":" +cal.get(Calendar.SECOND);timeLabel.setText(saveStr);currentTime.setText(time+"  ");}};timer.schedule(task, 0, 500);}/*** 内部任务，用来展开视频录制的开始与停止的。* @author Administrator**/class InnerTask{Timer captureDeskTopTimer = null;TimerTask captureDeskTopTask = null;File folderFile = null;public void startCapture(){if(!isRecord){folderFile = new File(CapUtils.URL+System.currentTimeMillis());System.out.println(folderFile.getPath());if(!folderFile.isDirectory()){folderFile.mkdir();}System.out.println("正在录制");captureDeskTopTimer = new Timer();captureDeskTopTask = new TimerTask(){@Overridepublic void run() {try {Robot ro = new Robot();BufferedImage bdi = ro.createScreenCapture(new Rectangle((int)FrameUtils.getScreenWidth(),(int)FrameUtils.getScreenHeight()));ImageIO.write(bdi, "jpg", new File(folderFile.getPath()+"\\"+System.currentTimeMillis()+".jpg"));} catch (AWTException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}};captureDeskTopTimer.schedule(captureDeskTopTask, 0, 40);isRecord = true;}}public void stopCapture(){if(isRecord){captureDeskTopTimer.cancel();isRecord = false;String newName = JOptionPane.showInputDialog(frame,"是否重命名录制的视频，为空则默认","重命名",JOptionPane.YES_NO_CANCEL_OPTION);if("".equals(newName)|| newName == null || "null".equals(newName)){listModel.addElement(" "+folderFile.getName());videoList.setSelectedValue(" "+folderFile.getName(), true);}else{File newFile = new File(CapUtils.URL+newName);folderFile.renameTo(newFile);listModel.addElement(" "+newName);videoList.setSelectedValue(" "+newName, true);}}}}public static void main(String[] args) {UI.setWindowStyle();new StartCapture();}
}

ShowCapture.java类，实现视频图片的播放

package CountDown;import java.awt.AWTEvent;
import java.awt.Color;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.AWTEventListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.util.Timer;
import java.util.TimerTask;import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;import Util.FrameUtils;import com.sun.awt.AWTUtilities;public class ShowCapture {JFrame frame = null;int WIDTH = 500;int HEIGHT = 500;JLabel label = null;public ShowCapture(final String url) {frame = new JFrame();label = new JLabel();final Timer timer = new Timer();TimerTask task = new TimerTask(){File file = new File(url);File[] files = file.listFiles();final int size = files.length;int index = 0;@Overridepublic void run() {if(index < size-1){label.setText("");Image image = Toolkit.getDefaultToolkit().getImage(files[index].getPath());ImageIcon icon = new ImageIcon();image = image.getScaledInstance((int)FrameUtils.getScreenWidth(),(int)FrameUtils.getScreenHeight(), Image.SCALE_FAST);icon.setImage(image);label.setIcon(icon);index++;}else{timer.cancel();frame.getContentPane().setBackground(Color.BLACK);AWTUtilities.setWindowOpacity(frame, 0.5f);frame.remove(label);JOptionPane.showMessageDialog(frame, " 播放完毕！");frame.dispose();}}};timer.schedule(task, 1000, 200);frame.setUndecorated(true);frame.add(label);frame.setBounds(0,0,(int)FrameUtils.getScreenWidth(),(int)FrameUtils.getScreenHeight());frame.setVisible(true);frame.setDefaultCloseOperation(3);frame.setResizable(false);Toolkit toolkit = Toolkit.getDefaultToolkit();toolkit.addAWTEventListener(new AWTEventListener(){public void eventDispatched(AWTEvent event) {if(event.getClass()== KeyEvent.class){KeyEvent e = (KeyEvent) event;int key = e.getKeyCode();if(key == 27){timer.cancel();frame.dispose();}}}}, 1000);}public static void main(String[] args) {new ShowCapture("");}}

还有两个工具类FrameUtils.java和UI.java

package Util;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.IOException;
import java.util.Random;import javax.swing.JDialog;
import javax.swing.JFrame;public class FrameUtils {static Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();static Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(GraphicsEnvironment.getLocalGraphicsEnvironment().getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration());/*** 获得整个屏幕的宽度* * @return*/public static double getScreenWidth() {return screen.getWidth();}/*** 获得整个屏幕的高度* * @return*/public static double getScreenHeight() {return screen.getHeight();}/*** 获得程序在屏幕中间的位置* * @param WIDTH*            程序的宽度* @param HEIGHT*            程序的高度* @return Rectangle*/public static Rectangle getSysLocation(int WIDTH, int HEIGHT) {Rectangle rectangle = new Rectangle();rectangle.setLocation((int) (getScreenWidth() - WIDTH) / 2,(int) (getScreenHeight() - HEIGHT) / 2);rectangle.setSize(WIDTH, HEIGHT);return rectangle;}/*** 获得程序在屏幕右下角的位置* * @param WIDTH*            程序的宽度* @param HEIGHT*            程序的高度* @return Rectangle*/public static Rectangle getRDLocation(int WIDTH, int HEIGHT) {Rectangle rectangle = new Rectangle();rectangle.setLocation((int) (getScreenWidth() - WIDTH),(int) (getScreenHeight() - HEIGHT - insets.bottom));rectangle.setSize(WIDTH, HEIGHT);return rectangle;}public static void confirm(Frame frame) {JDialog dialog = new JDialog(frame, true);dialog.setBackground(Color.white);int width = 100;int height = 100;dialog.setBounds((int) (getScreenWidth() - width) / 2,(int) (getScreenHeight() - height) / 2, width, height);dialog.setTitle("ffffffff");dialog.setVisible(true);}static Clipboard sysClip = Toolkit.getDefaultToolkit().getSystemClipboard();/*** 向系统粘贴板中写入字符串* * @param temp*            要写入的字符串*/public static void storeClipString(String temp) {StringSelection stringSelection = new StringSelection(temp);sysClip.setContents(stringSelection, null);}/*** 读取系统粘贴板中的字符串* * @return*/public static String readClipString() {String temp = "";try {temp = (String) sysClip.getData(DataFlavor.stringFlavor);} catch (UnsupportedFlavorException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return temp;}public static void shakeWindow(JFrame frame){Rectangle currentRect = new Rectangle();currentRect.setLocation(frame.getLocation());currentRect.setSize(frame.getSize());for (int i = 0; i < 5; i++) {Random random = new Random();int raint = (int) (random.nextFloat() * 10);int newPointX = currentRect.getLocation().x + raint;int newPointY = currentRect.getLocation().y + raint;;frame.setBounds(newPointX, newPointY, currentRect.getSize().width, currentRect.getSize().height);frame.setVisible(true);try {Thread.sleep(10);} catch (InterruptedException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}}}public static void main(String[] args) {}}

package Util;import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;public class UI {public static void setWindowStyle() {try {UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());} catch (ClassNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (InstantiationException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IllegalAccessException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (UnsupportedLookAndFeelException e) {// TODO Auto-generated catch blocke.printStackTrace();};}public static void setOtherStyle() {try {UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());} catch (ClassNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (InstantiationException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IllegalAccessException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (UnsupportedLookAndFeelException e) {// TODO Auto-generated catch blocke.printStackTrace();};}}

package CountDown;import java.util.ArrayList;
import java.util.List;public class CapUtils {public static String URL = "/";public static List getCaptureFolder(){List list = new ArrayList();return list;}
}