1_3_231164288张成伟.zip

package xdfg; import javax.swing.*; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class LoginForm extends JFrame { public LoginForm() { try { setIconImage(Toolkit.getDefaultToolkit().getImage(getClass().getResource("/icon.png"))); setTitle("登录页面 - [示例应用]"); } catch (Exception e) { e.printStackTrace(); } setLocationRelativeTo(null); setSize(300, 200); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); try { BufferedImage img = ImageIO.read(new File("background.jpg")); JLabel backgroundLabel = new JLabel(new ImageIcon(img)); add(backgroundLabel); setContentPane(backgroundLabel); setLayout(new FlowLayout()); } catch (IOException e) { e.printStackTrace(); } JPanel panel = new JPanel(); panel.setOpaque(false); panel.setLayout(new GridLayout(3, 2)); JLabel usernameLabel = new JLabel("用户名："); usernameLabel.setFont(new Font("宋体", Font.PLAIN, 14)); usernameLabel.setBackground(Color.CYAN); usernameLabel.setOpaque(true); JTextField usernameField = new JTextField(); JLabel passwordLabel = new JLabel("密码："); passwordLabel.setFont(new Font("宋体", Font.PLAIN, 14)); passwordLabel.setBackground(Color.CYAN); passwordLabel.setOpaque(true); JPasswordField passwordField = new JPasswordField(); JButton loginButton = new JButton("登录"); JButton cancelButton = new JButton("取消"); panel.add(usernameLabel); panel.add(usernameField); panel.add(passwordLabel); panel.add(passwordField); panel.add(loginButton); panel.add(cancelButton); add(panel); } public static void main(String[] args) { SwingUtilities.invokeLater(() -> { LoginForm loginForm = new LoginForm(); loginForm.setVisible(true); }); } }