我需要将一个
Image
对象和一个String
对象复制到剪贴板,如下所示:,但我只能复制文本或图像。
我已经阅读了如何使用Java将图像和文本复制到剪贴板?和http://www.coderanch.com/t/345580/GUI/java/Cut-copying-pasting-custom-object,但是它没有解决我的问题。
通过谷歌搜索,我只得到以下代码:
public class ClipboardTest {
public static void main(String[] args) throws IOException {
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
Image image = ImageIO.read(new File("D:\\文件\\java\\BParser\\src\\test\\java\\icon.png"));
String text = "Hello world";
Transferable transferable = new Transferable() {
@Override
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[] {DataFlavor.imageFlavor, DataFlavor.stringFlavor};
}
@Override
public boolean isDataFlavorSupported(DataFlavor flavor) {
return false;
}
@Override
public @NotNull Object getTransferData(DataFlavor dataFlavor) {
if(dataFlavor.equals(DataFlavor.imageFlavor)) {
return image;
} else if(dataFlavor.equals(DataFlavor.stringFlavor)) {
return text;
}
return image;
}
};
clipboard.setContents(transferable, null);
}
}
我得到了这些输出:
java.io.IOException: Registered service providers failed to encode BufferedImage@6108b2d7: type = 6 ColorModel: #pixelBits = 32 numComponents = 4 color space = java.awt.color.ICC_ColorSpace@246ae04d transparency = 3 has alpha = true isAlphaPre = false ByteInterleavedRaster: width = 32 height = 33 #numDataElements 4 dataOff[0] = 3 to image/jpeg
at java.desktop/sun.awt.datatransfer.DataTransferer.imageToStandardBytesImpl(DataTransferer.java:1802)
at java.desktop/sun.awt.datatransfer.DataTransferer.imageToStandardBytes(DataTransferer.java:1716)
at java.desktop/sun.awt.windows.WDataTransferer.imageToPlatformBytes(WDataTransferer.java:353)
at java.desktop/sun.awt.datatransfer.DataTransferer.translateTransferable(DataTransferer.java:855)
at java.desktop/sun.awt.windows.WDataTransferer.translateTransferable(WDataTransferer.java:220)
at java.desktop/sun.awt.windows.WClipboard.setContentsNative(WClipboard.java:83)
at java.desktop/sun.awt.datatransfer.SunClipboard.setContents(SunClipboard.java:105)
at ClipboardTest.main(ClipboardTest.java:41)
进程已结束,退出代码为 0
我明白了。丰富的文本。通过将图像下载到文件夹并构建一个像这样的对象
DataFlavor DEF_DF = new DataFlavor("text/html; charset=unicode; class=java.lang.String", "text/html");
,然后使用这些代码:
public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException {
if (DEF_DF.equals(flavor)) return htmlContent;
if (flavor.equals(DataFlavor.stringFlavor)) return text.replace("<br>", "\n");
throw new UnsupportedFlavorException(flavor);
}
我们可以“同时将图像和文本复制到剪贴板”