package baseinforinterface;import javax.swing.UIManager;import java.awt.*;import javax.swing.*;import maininterface.*;public class CustomerManageApp {  public CustomerManageApp() {    //創建主窗口類，該類供測試使用    StockManagementMainFrame stockManagementMainFrame = new StockManagementMainFrame();    //創建用戶類    user.User user = new user.User("jack", "jack", 4095, 0, 2088, 0);    //取得基礎信息模塊的用戶權限    int baseInforFunction = user.getBaseInforFunction();    if((baseInforFunction & 64) != 64){      JOptionPane.showMessageDialog(null, user.getUserName() + "用戶不具有該權限.");      System.exit(0);    }    //設置主窗口的用戶類    stockManagementMainFrame.setUser(user);    CustomerManageFrame frame = new CustomerManageFrame(stockManagementMainFrame);    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;    }    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 CustomerManageApp();  }}