java操作剪贴板代码示例，java剪贴板示例,package cn.o

java操作剪贴板代码示例，java剪贴板示例,package cn.o

package cn.outofmemory.snippets.desktop;import java.awt.BorderLayout;import java.awt.Button;import java.awt.Frame;import java.awt.Panel;import java.awt.TextArea;import java.awt.Toolkit;import java.awt.datatransfer.DataFlavor;import java.awt.datatransfer.StringSelection;import java.awt.datatransfer.Transferable;import java.awt.datatransfer.UnsupportedFlavorException;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.IOException;public class ClipdoardUsage {  public static void main(String[] args) {    // Create a frame    Frame frame = new Frame("Example Frame");    /*      * Create a container with a flow layout, which arranges its children       * horizontally and center aligned.      * A container can also be created with a specific layout using      * Panel(LayoutManager) constructor, e.g.      * Panel(new FlowLayout(FlowLayout.RIGHT)) for right alignment      */    Panel panel = new Panel();    // Add a text area in the center of the frame    final TextArea textArea = new TextArea("This is a sample text...");    frame.add(textArea, BorderLayout.CENTER);    // Add several buttons to the container    Button copyToClipboardButton = new Button("Copy to clipboard");    Button pasteFromClipboardButton = new Button("Paste from clipboard");    panel.add(copyToClipboardButton);    panel.add(pasteFromClipboardButton);    // Add action listener to copyToClipboardButton for copying textArea content to clipboard    copyToClipboardButton.addActionListener(new ActionListener() {        @Override        public void actionPerformed(ActionEvent evt) {            setStringToClipboard(textArea.getText());        }    });    // Add action listener to pasteFromClipboardButton for pasting clipboard content to textArea    pasteFromClipboardButton.addActionListener(new ActionListener() {        @Override        public void actionPerformed(ActionEvent evt) {            textArea.setText(getStringFromClipboard());        }    });    // Add the container to the bottom of the frame    frame.add(panel, BorderLayout.SOUTH);    // Display the frame    int frameWidth = 300;    int frameHeight = 300;    frame.setSize(frameWidth, frameHeight);    frame.setVisible(true);  }  // If a string is on the system clipboard, this method returns it; otherwise it returns null.  public static String getStringFromClipboard() {    Transferable transferable = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);    try {        if (transferable != null && transferable.isDataFlavorSupported(DataFlavor.stringFlavor)) {            String text = (String) transferable.getTransferData(DataFlavor.stringFlavor);            return text;        }    } catch (UnsupportedFlavorException e) {        System.out.println("Clipboard content flavor is not supported " + e.getMessage());    } catch (IOException e) {        System.out.println("Clipboard content could not be retrieved " + e.getMessage());    }    return null;  }  // This method writes a string to the clipboard.  public static void setStringToClipboard(String stringContent) {    StringSelection stringSelection = new StringSelection(stringContent);    Toolkit.getDefaultToolkit().getSystemClipboard().setContents(stringSelection, null);  }}