windows 系統開機時間提醒

#include "stdafx.h"#include <string>#include <sstream>#include <iostream>#include <iomanip>#include<windows.h> using namespace std;string formatTime(unsigned long timeStamp,unsigned long &lhour){unsigned long  minute = timeStamp/60;unsigned long  second  = timeStamp - minute*60 ;unsigned long  hour = minute / 60 ;minute = minute - hour * 60;lhour = hour;stringstream csTime ;csTime<<hour<<":"<<setw(2)<<setfill('0')<<minute<<":"<<setw(2)<<setfill('0')<<second;return csTime.str();}std::wstring s2ws(const std::string& s){int len;int slength = (int)s.length() + 1;len = MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, 0, 0);wchar_t* buf = new wchar_t[len];MultiByteToWideChar(CP_ACP, 0, s.c_str(), slength, buf, len);std::wstring r(buf);delete[] buf;return r.c_str();}int _tmain(int argc, _TCHAR* argv[]){FreeConsole ();while(1){unsigned long hour;string   csStartToNow(formatTime( GetTickCount()/1000,hour));if(hour < 8){Sleep(1000*60*60);}else if(hour < 9){Sleep(1000*60);}else{wstring  msg(L"系統已開機時間: ");wstring  ws(s2ws(csStartToNow));msg += ws;LPCWSTR result = msg.c_str();if(::MessageBox(NULL, result, L"下班時間到啦！",MB_OK|MB_ICONINFORMATION) == IDOK ){exit(0);}}}return 0;}