用Java语言写登录注册界面
时间: 2023-07-18 21:37:18 浏览: 48
好的,下面是用Java语言写登录注册界面的示例代码:
```java
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class LoginRegisterGUI extends JFrame implements ActionListener {
private JTextField usernameField;
private JPasswordField passwordField;
private JButton loginButton;
private JButton registerButton;
public LoginRegisterGUI() {
this.setTitle("登录注册界面");
this.setSize(300, 200);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
panel.setLayout(new GridLayout(3, 2));
JLabel usernameLabel = new JLabel("用户名:");
panel.add(usernameLabel);
usernameField = new JTextField();
panel.add(usernameField);
JLabel passwordLabel = new JLabel("密 码:");
panel.add(passwordLabel);
passwordField = new JPasswordField();
panel.add(passwordField);
loginButton = new JButton("登录");
loginButton.addActionListener(this);
panel.add(loginButton);
registerButton = new JButton("注册");
registerButton.addActionListener(this);
panel.add(registerButton);
this.add(panel);
this.setVisible(true);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == loginButton) {
String username = usernameField.getText();
String password = new String(passwordField.getPassword());
// TODO: 调用登录接口进行验证
JOptionPane.showMessageDialog(this, "登录成功");
} else if (e.getSource() == registerButton) {
String username = usernameField.getText();
String password = new String(passwordField.getPassword());
// TODO: 调用注册接口进行注册
JOptionPane.showMessageDialog(this, "注册成功");
}
}
public static void main(String[] args) {
new LoginRegisterGUI();
}
}
```
上述代码通过继承JFrame类来创建一个窗口,并在窗口中添加了用户名、密码、登录按钮和注册按钮等组件。通过实现ActionListener接口,可以对按钮的点击事件进行处理,实现用户登录和注册的功能。