ch7_e7_16.java

来自「各种关于JAVA的初级编程」· Java 代码 · 共 32 行

import java.applet.Applet;
import java.awt.*; 
import java.awt.event.*;

public class ch7_e7_16 extends Applet implements ActionListener
{
    TextField outputTfd = new TextField(30);
    TextArea inputTar = new TextArea(10,45);
    Button copyBtn = new Button("复制");
    
    public void init()
    {
        add(inputTar);
        add(copyBtn);
        add(outputTfd);
        
        inputTar.setText(" ");
        outputTfd.setText(" ");
        copyBtn.addActionListener(this);
    }
    
    public void actionPerformed(ActionEvent ae)
    {
        if(ae.getSource() == copyBtn)
        {
            outputTfd.setText(inputTar.getSelectedText());
            System.out.println(inputTar.getSelectedText() + ",");
        }
    }
    
}