Swing 窗体ContentPane的问题----在线等,解决问题马上结帖
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
public class Test {
private JFrame frame;
public static void main(String args[]) {
try {
Test window = new Test();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
public Test() {
initialize();
}
private void initialize() {
frame = new JFrame();
frame.getContentPane().setBackground(new Color(255, 0, 0));
frame.setBackground(new Color(0, 0, 0));
frame.getContentPane().setLayout(null);
frame.setBounds(100, 100, 100, 100);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//测试按扭
final JButton testButton = new JButton();
testButton.addMouseListener(new MouseAdapter() {
public void mouseClicked(final MouseEvent e) {
frame.setBounds(100, 100, 200, 200);
//结果发现Frame大小变了,可是怎么让ContentPane大小也随之改变呢
}
});
testButton.setText("Test");
testButton.setBounds(10, 10, 70, 30);
frame.getContentPane().add(testButton);
}
}