ADD file via upload

src/Main.java

@@ -0,0 +1,29 @@
+import java.util.Scanner;
+
+
+//无UI界面
+//public class Main{
+//    public static void main(String[] args) {
+//        Scanner scanner = new Scanner(System.in);
+//        UserManager UserManager1 = new UserManager();
+//        Boolean flag = false;
+//        while(!flag) {
+//            System.out.println("请输入账号：");
+//            String username = scanner.nextLine();
+//            System.out.println("请输入密码：");
+//            String password = scanner.nextLine();
+//            if (UserManager1.login(username, password)) {
+//                System.out.println("登录成功");
+//                flag = true;
+//            }
+//        }
+//    }
+//}
+
+
+//public class Main {
+//    public static void main(String[] args) {
+//        // 启动 GUI 界面
+//        new UserLoginGUI();
+//    }
+//}