函数-打开和关闭控制台AllocConsole()和FreeConsole();

#include "stdafx.h"
#include <Winsock2.h>
#include <iostream>
int _tmain(int argc, _TCHAR* argv[])
{

	for(int i = 0;i<5;i++)
	{
		AllocConsole();   // Create a new console window
		std::cout<<i<<std::endl;
		Sleep(1000);  // Sleep for 1000 ms=1 s
		FreeConsole();  // Close the console window
	}
	return 0;
}

期间打开5个窗口，并且全部关闭