1 public static Component loadDiver() 
 2     {
 3         //String str1 = "vfw:logitech usb video camera:0";
 4         String str2 = "vfw:Microsoft WDM Image Capture (Win32):0";
 5         
 6         deviceInfo = CaptureDeviceManager.getDevice(str2);   //加载设备驱动
 7         mLocator = deviceInfo.getLocator();
 8         try
 9         {
10             
11             player = Manager.createRealizedPlayer(mLocator);  //获取就绪的播放器
12             
13             Component cp;
14             if((cp = player.getVisualComponent())!=null)
15             {
16                 player.start();
17                 return cp;                               //返回窗体组件
18             }
19         }
20         catch(Exception e)
21         {
22             e.printStackTrace();
23         }
24         return null;
25     }

 1 BufferedImage buffImg = null;
 2 try
 3 {
 4    buffImg = (new Robot()).createScreenCapture(new
 5    Rectangle(0, 100, c1.getWidth(), c1.getHeight()-100));   //c1是上面方法返回的Component
 6 }
 7 catch(AWTException e1)
 8 {
 9    e1.printStackTrace();
10 }
11 try
12 {
13    ImageIO.write(buffImg, "jpg", new File(path));
14 }
15 catch(IOException e1)
16 {
17    e1.printStackTrace();
18 }