#include<iostream>
system("pause"); //运行暂停
system("shutdown-5"); //关机
system("shutdown-a"); //取消
system("cls"); //清屏
#include<windows.h>Sleep<1000>; //休眠1 秒
break; //结束循环
continue; //结束本次循环
#include<iostream>
system("pause"); //运行暂停
system("shutdown-5"); //关机
system("shutdown-a"); //取消
system("cls"); //清屏