center.java~3~

Java 聊天程序 有客户端和服务端。

package chatserver;

import java.awt.*;

//定义窗口为屏幕正中间
public class Center {
    public static void CenterWindow(Window frame) {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = frame.getSize();
        if (frameSize.height > screenSize.height) {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        frame.setLocation( (screenSize.width - frameSize.width) / 2,
                          (screenSize.height - frameSize.height) / 2);
        frame.setVisible(true);

    }
}