求助！如何让窗口居中显示，在线！

Question

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = searchEventDlg.getSize();
    if (frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }
    FrameAA.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);

Answer 1

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = YouFrame.getSize();
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    if (frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }
    YouFrame.setLocation((screenSize.width - frameSize.width) / 2, -
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(screenSize.height - frameSize.height) / 2);

Answer 2

this.setLocationRelativeTo(null);//窗口在屏幕中间显示
包好使！！