cartapp.java~4~

来自「购物车模块实例。购物车模块可以浏览商品类别；可以根据商品类别浏览商品信息；可以购」· JAVA~4~ 代码 · 共 37 行

package cartinterface;

import javax.swing.UIManager;
import java.awt.*;
import data.Cart;

public class CartApp {


  public CartApp() {
    //创建窗口类
    CartFrame frame = new CartFrame();
    //分别取得屏幕和窗口的大小
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension frameSize = frame.getSize();
    if (frameSize.height > screenSize.height) {
      frameSize.height = screenSize.height;
    }
    if (frameSize.width > screenSize.width) {
      frameSize.width = screenSize.width;
    }
    //使窗口居中对齐
    frame.setLocation((screenSize.width - frameSize.width) / 2,
                      (screenSize.height - frameSize.height) / 2);
    frame.setVisible(true);
  }

  public static void main(String[] args) {
    try {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch(Exception e) {
      e.printStackTrace();
    }
    new CartApp();
  }
}