自己简单封装了下
#include<iostream>using namespace std;#ifdef WIN32 // win
#include <synchapi.h>
#define SAFE_SLEEP(x) Sleep(x*1000)
#else
#include <unistd.h>
#define SAFE_SLEEP(x) sleep(x)
#endifint main()
{for(int i = 0;i<5;i++){SAFE_SLEEP(3);cout <<"Hello!" << endl;}return 0;
}