1
我尝试在我的JPanel
中显示图像时遇到一些麻烦。Java ImageIcon不起作用
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class MainWindow {
public static JFrame mainFrame;
public static JPanel loginRegisterPanel;
public MainWindow() {
MainFrame();
LoginRegisterPanel();
}
public void MainFrame() {
mainFrame = new JFrame();
mainFrame.setSize(640, 480);
mainFrame.setVisible(true);
mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mainFrame.setResizable(false);
}
public void LoginRegisterPanel() {
loginRegisterPanel = new JPanel();
loginRegisterPanel.setLayout(null);
mainFrame.add(loginRegisterPanel);
JButton loginButton = new JButton("Login");
JButton registerButton = new JButton("Register");
/*ImageIcon logoImage = new ImageIcon("Resource/logo.jpg");
JLabel logoImageLabel = new JLabel();
logoImageLabel.setBounds(0, 0, 640, 200);
logoImageLabel.setIcon(logoImage);
loginRegisterPanel.add(logoImageLabel);
*/
loginButton.setBounds(260, 180, 120, 50);
loginRegisterPanel.add(loginButton);
loginButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
try {
loginRegisterPanel.setVisible(false);
LoginPanel loginPanel = new LoginPanel();
mainFrame.getContentPane().add(loginPanel.loginP);
}
catch (Exception ce){
ce.printStackTrace();
}
}
});
registerButton.setBounds(260, 250, 120, 50);
loginRegisterPanel.add(registerButton);
}
public static void main (String[] args) {
MainWindow mainWindow = new MainWindow();
}
}
如果我从我的源代码删除与ImageIcon
的部分,我JPanel
显示器的按钮,但如果我用ImageIcon
,它不会显示任何内容。