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import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class FrameApp extends JFrame {
JLabel lb1, lb2;
JTextField tf1, tf2;
JButton bt;
public FrameApp() {
super("我的Java图形用户界面");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(240, 150);
setLocation(200, 200);
lb1 = new JLabel("输入", Label.LEFT);
tf1 = new JTextField(15);
lb2 = new JLabel("输出", Label.LEFT);
tf2 = new JTextField(15);
bt = new JButton("OK");
Container cp = getContentPane();
cp.setLayout(new FlowLayout());
cp.add(lb1);
cp.add(tf1);
cp.add(lb2);
cp.add(tf2);
cp.add(bt);
bt.addMouseListener(new MouseListener() {
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
tf2.setText(tf1.getText());
}
});
setVisible(true);
}
// ( 就是这里不知道填写什么代码 )
public static void main(String args[]) {
FrameApp frame = new FrameApp();
}
}