简单的剪切板

[java]代码库

package day04;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.datatransfer.*;
public class SimpleClipboard
{
	private Frame f = new Frame("简单的剪贴板程序");
	private Clipboard clipboard = Toolkit
		.getDefaultToolkit().getSystemClipboard();
	private TextArea jtaCopyTo = new TextArea(5,20);
	private TextArea jtaPaste = new TextArea(5,20);
	private Button btCopy = new Button("复制"); 
	private Button btPaste = new Button("粘贴"); 
	public void init()
	{
		Panel p = new Panel();
		p.add(btCopy);
		p.add(btPaste);
		btCopy.addActionListener(event ->
		{
			StringSelection contents = new
				StringSelection(jtaCopyTo.getText());
			// 将StringSelection对象放入剪贴板
			clipboard.setContents(contents, null);
		});
		btPaste.addActionListener(event ->
		{
			if (clipboard.isDataFlavorAvailable(DataFlavor.stringFlavor))
			{
				try
				{
					// 取出剪贴板中stringFlavor内容
					String content = (String)clipboard
						.getData(DataFlavor.stringFlavor);
					jtaPaste.append(content);
				}
				catch (Exception e)
				{
					e.printStackTrace();
				}
			}
		});
		Box box = new Box(BoxLayout.X_AXIS);
		box.add(jtaCopyTo);
		box.add(jtaPaste);
		f.add(p,BorderLayout.SOUTH);
		f.add(box,BorderLayout.CENTER);
		f.pack();
		f.setVisible(true);
	}
	public static void main(String[] args)
	{
		new SimpleClipboard().init();
	}
}