📄 myframe.java
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//MyFrame.java
/**
@author Joedan
*/
import javax.swing.*;
import java.awt.*;
class MyPanel extends JPanel
{
Image img;
MyPanel(String filename)
{
img = new ImageIcon(filename).getImage();
setLayout(null);
}
public void paintComponent(Graphics g)
{
g.drawImage(img, 0, 0, getWidth(), getHeight(), null);
}
}
class MyFrame extends JFrame
{
MyFrame()
{
super();
setLayout(null);
}
MyFrame(String title)
{
super(title);
setLayout(null);
}
MyFrame(String title, String bg)
{
this(title);
setContentPane(new MyPanel(bg));
}
public static void main(String args[])
{
MyFrame frame = new MyFrame("test", "登录界面1.jpg");
frame.setSize(320, 240);
frame.setVisible(true);
frame.setResizable(false);
}
}
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