centerframe.java

好的超市源码供大家下载

package view.com;

import java.awt.Dimension;
import java.awt.Toolkit;

import javax.swing.JFrame;

/**
 * 让指定框架居中显示
 * @author linfeng
 *
 */
public class CenterFrame {

  /**
   * kit kit对象
   * screenSize 屏幕大小
   * frameSize 框架大小
   * screenWidth 屏幕宽度
   * screenHeight 屏幕高度
   * frameWidth 框架宽度
   * frameHeight 框架高度
   */
  private Toolkit kit;
  private Dimension screenSize;
  private Dimension frameSize;
  private int screenWidth,screenHeight,frameWidth,frameHeight;
  
  /**
   * 让指定框架居中显示
   * @param frame 指定框架
   * @return frame 指定框架
   */
  public JFrame getCenterFrame(JFrame frame) {
    kit = kit.getDefaultToolkit();
    screenSize = kit.getScreenSize();
    screenWidth = (int) screenSize.getWidth();
    screenHeight = (int) screenSize.getHeight();
    frameSize = frame.getSize();
    frameWidth = frameSize.width;
    frameHeight = frameSize.height;
    frame.setBounds((screenWidth - frameWidth) / 2,
        (screenHeight - frameHeight) / 2, frameWidth, frameHeight);
    return frame;

  }
}