Question

用java写一个小系统，要求从一个窗口输入用户名 密码，如果验证正确，则显示另一个窗口

显示的另外一个窗口不做要求

若以下回答无法解决问题，邀请你更新回答

Answer 1

public class PlusAction {
public static void main(String[] args) {
new PlusActionFrame();
}
}

class PlusActionFrame extends JFrame {
private static final long serialVersionUID = 1L;
public PlusActionFrame() {
this.setSize(400, 200);
JLabel label1 = new JLabel("用户名：");
JLabel label2 = new JLabel("密码：");
JPanel panel = new JPanel();
final JTextField text1 = new JTextField(10);
//text1.setSize(20, 20);
final JTextField text2 = new JTextField(10);
final JTextField text3 = new JTextField(20);
//text1.setSize(20, 20);
panel.add(label1);
panel.add(text1);
panel.add(label2);
panel.add(text2);
panel.add(text3);
JButton button = new JButton("登陆");
JButton button2 = new JButton("重置");
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent actionevent) {
if(text1.getText().equals("username") && text2.getText().equals("password")) {
text3.setText("登陆成功");
}
}
});
button2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent arg0) {
text1.setText("");
text2.setText("");
//text3.setText("");
}

});
panel.add(button);
panel.add(button2);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.add(panel);
this.setVisible(true);
}
}

Answer 2

去百度找