//写一个工具类，进行输入选项数值的获取
public class InputUtil {
    static Scanner sc=new Scanner(System.in);
    public static int InputIntTest(){
        int num=0;
//此处进行输入的异常捕获
       while (true) {
           try {
               num = sc.nextInt();
               break;
           } catch (Exception e) {
               System.out.println("格式不对，重新输入");
               sc.next();
           }
       }
        return num;
    }
}