java操作系统剪贴板内容数据

客户有各种稀奇的需求，现要求在使用平台过程中复制过的内容保存并展示供使用人员参考

1. package cn.net.ssd.common.format;
3. import java.awt.Image;
4. import java.awt.Toolkit;
5. import java.awt.datatransfer.Clipboard;
6. import java.awt.datatransfer.DataFlavor;
7. import java.awt.datatransfer.StringSelection;
8. import java.awt.datatransfer.Transferable;
9. import java.awt.datatransfer.UnsupportedFlavorException;
10. import java.io.IOException;
12. public class ClipboradOperate {
13. /**@Description:
14. * @author zhk
15. * @createtime 2012-7-12 上午11:33:06
16. * @param args
17. */
18. public static void main(String[] args) {
19. Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();//获取系统剪贴板
21. try {
22. ImageViewer im=new ImageViewer(getImageFromClipboard());
23. }catch (Exception e) {
24. // TODO Auto-generated catch block
25. e.printStackTrace();
26. }
27. }
28. /**
29. * 从指定的剪切板中获取文本内容
30. * 本地剪切板使用 Clipborad cp = new Clipboard("clip1"); 来构造
31. * 系统剪切板使用 Clipboard sysc = Toolkit.getDefaultToolkit().getSystemClipboard();
32. * 剪切板的内容 getContents(null); 返回Transferable
33. */
34. protected static String getClipboardText() throws Exception{
35. Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();//获取系统剪贴板
36. // 获取剪切板中的内容
37. Transferable clipT = clip.getContents(null);
38. if (clipT != null) {
39. // 检查内容是否是文本类型
40. if (clipT.isDataFlavorSupported(DataFlavor.stringFlavor))
41. return (String)clipT.getTransferData(DataFlavor.stringFlavor);
42. }
43. return null;
44. }
46. //往剪切板写文本数据
47. protected static void setClipboardText(Clipboard clip, String writeMe) {
48. Transferable tText = new StringSelection(writeMe);
49. clip.setContents(tText, null);
50. }
52. // 从剪切板读取图像
53. public static Image getImageFromClipboard() throws Exception{
54. Clipboard sysc = Toolkit.getDefaultToolkit().getSystemClipboard();
55. Transferable cc = sysc.getContents(null);
56. if (cc == null)
57. return null;
58. else if(cc.isDataFlavorSupported(DataFlavor.imageFlavor))
59. return (Image)cc.getTransferData(DataFlavor.imageFlavor);
60. return null;
61. }
62. // 写图像到剪切板
63. protected static void setClipboardImage2(final Image image) {
64. Transferable trans = new Transferable(){
66. public DataFlavor[] getTransferDataFlavors() {
67. return new DataFlavor[] { DataFlavor.imageFlavor };
68. }
70. public boolean isDataFlavorSupported(DataFlavor flavor) {
71. return DataFlavor.imageFlavor.equals(flavor);
72. }
74. public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
75. if(isDataFlavorSupported(flavor))
76. return image;
77. throw new UnsupportedFlavorException(flavor);
78. }
79. };
80. Toolkit.getDefaultToolkit().getSystemClipboard().setContents(trans, null);
81. }
84. }

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1. package cn.net.ssd.common.format;
3. /*
4. * 查看图形的窗口
5. */
6. import java.awt.Frame;
7. import java.awt.Graphics;
8. import java.awt.Image;
9. import java.awt.MediaTracker;
10. import java.awt.Toolkit;
11. import java.awt.event.WindowAdapter;
12. import java.awt.event.WindowEvent;
13. /**
14. * 用于显示图形的窗口
15. */
16. public class ImageViewer extends Frame {
17. private Image image;
18. /**
19. * 显示一个图像
20. * @param viewMe
21. */
22. public ImageViewer(Image viewMe) {
23. image = viewMe;
24. MediaTracker mediaTracker = new MediaTracker(this);
25. mediaTracker.addImage(image, 0);
26. try {
27. mediaTracker.waitForID(0);
28. } catch (InterruptedException ie) {
29. ie.printStackTrace();
30. System.exit(1);
31. }
32. addWindowListener(new WindowAdapter() {
33. public void windowClosing(WindowEvent e) {
34. System.exit(0);
35. }
36. });
37. //窗口适应图像大小
38. setSize(image.getWidth(null), image.getHeight(null));
39. //窗口标题
40. setTitle("Viewing Image from Clipboard");
41. setVisible(true);
42. }
43. public void paint(Graphics graphics) {
44. graphics.drawImage(image, 0, 0, null);
45. }
46. /**
47. * 用于读取图像文件并生成Image对象
48. */
49. public static Image getImageFromFile(String fileName) {
50. Toolkit toolkit = Toolkit.getDefaultToolkit();
51. Image image = toolkit.getImage(fileName);
52. return image;
53. }
54. }

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