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import javax.swing.*;
import java.awt.*;
public class ToCenter
{
public ToCenter(JFrame frame)
{
//---------------------------ÉèÖô°¿Ú¾ÓÖÐ----------------------------------------------------------
int windowWidth = frame.getWidth(); //»ñµÃ´°¿Ú¿í
int windowHeight = frame.getHeight(); //»ñµÃ´°¿Ú¸ß
Toolkit kit = Toolkit.getDefaultToolkit(); //¶¨Ò幤¾ß°ü
Dimension screenSize = kit.getScreenSize(); //»ñÈ¡ÆÁÄ»µÄ³ß´ç
int screenWidth = screenSize.width; //»ñÈ¡ÆÁÄ»µÄ¿í
int screenHeight = screenSize.height; //»ñÈ¡ÆÁÄ»µÄ¸ß
frame.setLocation(screenWidth/2-windowWidth/2, screenHeight/2-windowHeight/2);//ÉèÖô°¿Ú¾ÓÖÐÏÔʾ
//------------------------------------------------------------------------------------------------
}
}
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