textdemo.java

来自「金旭亮的java教案」· Java 代码 · 共 38 行

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class TextDemo {

    static JFrame jframe = new JFrame("Example");

    public static void setupjframe() {
        jframe.setSize(400,100);
        jframe.setVisible(true);
        jframe.getContentPane().setLayout( new FlowLayout() );

        WindowListener l = new WindowAdapter() {
            public void windowClosing(WindowEvent e) {System.exit(0);}
        };
        jframe.addWindowListener(l);
    }

    public static void main(String[] args) {

        JTextField jtf = new JTextField(25);
        JLabel jl = new JLabel("Enter your name:");

        jtf.addActionListener( new ActionListener() {
                public void actionPerformed(ActionEvent e) 
                {  System.out.println(" you entered: " + e.getActionCommand() ); }
              } );

        Container c = jframe.getContentPane();
        c.add( jl );
        c.add( jtf );
        
                setupjframe();

    }
}