java剪切板

/** 
     * 从剪切板获得文字。 
     */  
    public static String getSysClipboardText() {  
        String ret = "";  
        Clipboard sysClip = Toolkit.getDefaultToolkit().getSystemClipboard();  
        // 获取剪切板中的内容  
        Transferable clipTf = sysClip.getContents(null);  

        if (clipTf != null) {  
            // 检查内容是否是文本类型  
            if (clipTf.isDataFlavorSupported(DataFlavor.stringFlavor)) {  
                try {  
                    ret = (String) clipTf  
                            .getTransferData(DataFlavor.stringFlavor);  
                } catch (Exception e) {  
                    e.printStackTrace();  
                }  
            }  
        }  

        return ret;  
    }  

    /** 
     * 将字符串复制到剪切板。 
     */  
    public static void setSysClipboardText(String writeMe) {  
        Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();  
        Transferable tText = new StringSelection(writeMe);  
        clip.setContents(tText, null);  
    }  

    /** 
     * 从剪切板获得图片。 
     */  
    public static Image getImageFromClipboard() throws Exception {  
        Clipboard sysc = Toolkit.getDefaultToolkit().getSystemClipboard();  
        Transferable cc = sysc.getContents(null);  
        if (cc == null)  
            return null;  
        else if (cc.isDataFlavorSupported(DataFlavor.imageFlavor))  
            return (Image) cc.getTransferData(DataFlavor.imageFlavor);  
        return null;  
    }  

    /** 
     * 复制图片到剪切板。 
     */  
    public static void setClipboardImage(final Image image) {  
        Transferable trans = new Transferable() {  
            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 (isDataFlavorSupported(flavor))  
                    return image;  
                throw new UnsupportedFlavorException(flavor);  
            }  

        };  
        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(trans,  
                null);  
    }