1_3_231164288张成伟.zip
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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); }); }}