import javax.swing.JFrame;
import java.awt.Toolkit;
import java.awt.Dimension;
public class ToCenter
{
public ToCenter(JFrame frame)
{
//---------------------------璁劇疆紿楀彛灞呬腑----------------------------------------------------------
int windowWidth = frame.getWidth(); //鑾峰緱紿楀彛瀹?/font>
int windowHeight = frame.getHeight(); //鑾峰緱紿楀彛楂?/font>
Toolkit kit = Toolkit.getDefaultToolkit(); //瀹氫箟宸ュ叿鍖?/font>
Dimension screenSize = kit.getScreenSize(); //鑾峰彇灞忓箷鐨勫昂瀵?/font>
int screenWidth = screenSize.width; //鑾峰彇灞忓箷鐨勫
int screenHeight = screenSize.height; //鑾峰彇灞忓箷鐨勯珮
frame.setLocation(screenWidth/2-windowWidth/2, screenHeight/2-windowHeight/2);//璁劇疆紿楀彛灞呬腑鏄劇ず
//------------------------------------------------------------------------------------------------
}
}
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Toolkit kit = Toolkit.getDefaultToolkit(); // 瀹氫箟宸ュ叿鍖?/font>
Dimension screenSize = kit.getScreenSize(); // 鑾峰彇灞忓箷鐨勫昂瀵?/font>
int screenWidth = screenSize.width/2; // 鑾峰彇灞忓箷鐨勫
int screenHeight = screenSize.height/2; // 鑾峰彇灞忓箷鐨勯珮
int height = this.getHeight();
int width = this.getWidth();
setLocation(screenWidth-width/2, screenHeight-height/2);
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dialog.setLocationRelativeTo(owner);
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