// 计算机随机数 1, 2, 3:int random = 1 + (int)(Math.random() * 3);//判断String prt = switch (choice-random) {    // TODO:    case 0 -> "平";    case -1 -> "胜";    case 1 -> "败";    case -2 -> "败";    case 2 ->"胜";    default -> "输入错误请输入1-3之间的数";};System.out.println(prt);