2010-12-20
// 不加包,图片跟类文件在一个目录,命令行下编译执行就行了
// 如果建工程,图片放到工程根目录
import java.awt.Container;
import java.awt.FlowLayout;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class Student extends JFrame {
public Student() {
init();
}
private void init() {
final Container c = getContentPane();
final JLabel imgLabel = new JLabel();
ImageIcon img = new ImageIcon(System.getProperty("user.dir") + "\\a.png");
imgLabel.setIcon(img);
imgLabel.setBounds(0, 0, img.getIconWidth(), img.getIconHeight());
((JPanel)getContentPane()).setOpaque(false);
getLayeredPane().add(imgLabel, new Integer(Integer.MIN_VALUE));
setLayout(new FlowLayout());
setSize(500, 500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new Student().setVisible(true);
}
}
JPanel jp = new JPanel(); //新建面板
jp.setLayout(new FlowLayout()); //设置面板布局
ImageIcon ii=new ImageIcon(getClass().getResource("/Picture/i.jpg"));
JLabel uppicture=new JLabel(ii); //往面板里加入JLabel
this.setVisible(true);