superframe.java

accp s1毕业项目 考试管理系统

package com.exam.ui;

import java.awt.Image;
import java.awt.Toolkit;

import javax.swing.ImageIcon;
import javax.swing.JFrame;


public class SuperFrame extends JFrame {
	private static final long serialVersionUID = 1L;
	public SuperFrame(){
		ImageIcon icon = new ImageIcon("images/exam.jpg");
		Image img = icon.getImage();
		this.setIconImage(img);
	}
	public void setCenter() {
		Toolkit tool = Toolkit.getDefaultToolkit();
		float fwidth = tool.getScreenSize().width;
		float fheight = tool.getScreenSize().height;
		int swidth = this.getWidth();
		int sheight = this.getHeight();
		int x = (int) ((fwidth - swidth) / 2);
		int y = (int) ((fheight - sheight) / 2);
		this.setLocation(x, y);
	}
}