java 图形界面 多窗口实例

//请注意类的组织结构，与窗口层次 import java.awt.*; import java.awt.event.*; import javax.swing.*; public class JmultiJFrameDemo { private JFrame frame; private JTextField field; JmultiJFrameDemo(){ frame = new JFrame("");//设定窗口和面板 JPanel panel = new JPanel();//自定义面板 JButton but1=new JButton("确定"); JButton but2=new JButton("取消"); panel.setLayout(null); JLabel label=new JLabel("下一个窗口的名字是: "); label.setBounds(150,100,150,30); field=new JTextField(20); field.setBounds(300,100,150,30); but1.setBounds(150,200,80,40); but1.addActionListener(new MyOption()); but2.setBounds(350,200,60,40); panel.add(label); panel.add(field); panel.add(but1); panel.add(but2); frame.setContentPane(panel); frame.setBounds(300,300,600,400); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setVisible(true); } private class MyOption implements ActionListener{ public void actionPerformed(ActionEvent e){ frame.setVisible(false); new MyJFrame(field.getText()); } } public static void main(String[] args) { new JmultiJFrameDemo(); } }