【转】【Java】剪切板操作大全

//获取系统剪切板
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
//设置字符串
String str = "测试设置String到剪切板";
//构建String数据类型
StringSelection selection = new StringSelection(str);
//添加文本到系统剪切板
clipboard.setContents(selection, null);

Transferable content = clipboard.getContents(null);//从系统剪切板中获取数据
if (content.isDataFlavorSupported(DataFlavor.stringFlavor)) {//判断是否为文本类型
    String text = (String) content.getTransferData(DataFlavor.stringFlavor);//从数据中获取文本值
    if (text == null) {
        return;
    }
    System.out.println(text);
}

public static void setImageClipboard(Image image) {
    ImageSelection imgSel = new ImageSelection(image);
    Toolkit.getDefaultToolkit().getSystemClipboard().setContents(imgSel, null);
}
public static class ImageSelection implements Transferable {
    private Image image;
    public ImageSelection(Image image) {this.image = image;}
    public DataFlavor[] getTransferDataFlavors() {
        return new DataFlavor[]{DataFlavor.imageFlavor};
    }
    public boolean isDataFlavorSupported(DataFlavor flavor) {
        return DataFlavor.imageFlavor.equals(flavor);
    }
    public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
        if (!DataFlavor.imageFlavor.equals(flavor)) {throw new UnsupportedFlavorException(flavor);}
        return image;
    }
}

public static Image getImageClipboard() {
    Transferable t = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
    try {
        if (null  != t && t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
        Image image = (Image)t.getTransferData(DataFlavor.imageFlavor);
        return image;
        }
    } catch (UnsupportedFlavorException e) {
          //System.out.println("Error tip: "+e.getMessage());
    } catch (IOException e) {
          //System.out.println("Error tip: "+e.getMessage());
    }
    return null;
}

public class TestSelection implements Transferable, ClipboardOwner {
    public static final DataFlavor rangeFlavor = new DataFlavor(RangeDataModel.class, "Report Range");//class为自定义的java类 字串随便
    private static final DataFlavor[] flavors = { rangeFlavor };
    private Object data;
    public TestSelection(Object data) {
        this.data = data;
    }
    @Override
    public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
        if (flavor.equals(flavors[RANGE])) {
            return data;
        } else {
            throw new UnsupportedFlavorException(flavor);
        }
    }
    @Override
    public DataFlavor[] getTransferDataFlavors() {
        return (DataFlavor[]) flavors.clone();
    }
    @Override
    public boolean isDataFlavorSupported(DataFlavor flavor) {
        for (int i = 0; i < flavors.length; i++) {
            if (flavor.equals(flavors[i])) {
                return true;
            }
        }
        return false;
    }
    @Override
    public void lostOwnership(Clipboard clipboard, Transferable contents) {
        // TODO Auto-generated method stub
    }
}

//创建自定义剪切板对象
Clipboard clipboard = new Clipboard("clipboardName");
//构建数据对象 data为数据类型java类的对象
ReportSelection content = new ReportSelection(data);
clipboard.setContents(content, null);

//注意：自定义剪切板必须给null参数
Transferable content = clipboard.getContents(null);
if (content.isDataFlavorSupported(ReportSelection.rangeFlavor)) {
    RangeDataModel data = (RangeDataModel) content.getTransferData(ReportSelection.rangeFlavor);
    System.out.println(data);
}

Clipboard clipboard = Clipboard.getSystemClipboard();
ClipboardContent cc = new ClipboardContent();
cc.putString("测试使用JavaFX向系统剪切板放置数据");
clipboard.setContent(cc);

Clipboard clipboard = Clipboard.getSystemClipboard();
clipboard.getContent(DataFormat.PLAIN_TEXT);