JFrame f= new JFrame ("The Frame");
f.setSize(300,300); Container content =f.getContentPane();
content.setLayout (new FlowLayout());
content.add(new JLabel("Mango"));
content.add(new JButton("Mango"));
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = f.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
f.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
f.setVisible(true);
f.pack();
f.setSize(300,300); Container content =f.getContentPane();
content.setLayout (new FlowLayout());
content.add(new JLabel("Mango"));
content.add(new JButton("Mango"));
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = f.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
f.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
f.setVisible(true);
f.pack();
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货