#include <iostream>
#include <cstdlib>
#include <windows.h>
using namespace std;
int main() {
	while(1){
	cout << "1. 立即关机\n2. 60秒后关机\n3. 取消关机\n选择操作: ";
    int choice;
    cin >> choice;
    
    switch (choice) {
        case 2:
            system("shutdown  -s  -t 0");
            break;
        case 1:
            system("shutdown   -s  -t 120 ");
            break;
        case 3:
            system("shutdown -a");
            std::cout << "已取消关机计划\n";
            Sleep(1000);
            break;
        default:
            std::cout << "无效选项\n";
    }	
    system("cls");
	}
    
    return 0;
}