tools.java

来自「用java（开发工具JBuilder）编写的聊天室程序」· Java 代码 · 共 33 行

package chat.tools;
import javax.swing.*;
import java.awt.*;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: zte</p>
 *
 * @author kwatt
 * @version 1.0
 */
public class Tools {
    public static void setCenter(JFrame 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);

    }
}