主要就是GetProcessTimes和GetThreadTimes这两个函数，它们获得的时间都是FILETIME，下面的程序包含了获得两个FILETIME的差（ms）的办法。

如果要显示FILETIME，可以用FileTimeToSystemTime这个函数（）

 

补充，这里有一个跨平台的版本：

（）

1 #include "stdafx.h" 2 #include 
     
       3 #include 
      
        4  5 int GetMSBetweenFileTime(PFILETIME ft1, PFILETIME ft2) 6 { 7     ULARGE_INTEGER ul1; 8     ULARGE_INTEGER ul2; 9 10     ul1.LowPart = ft1->dwLowDateTime;11     ul1.HighPart = ft1->dwHighDateTime;12 13     ul2.LowPart = ft2->dwLowDateTime;14     ul2.HighPart = ft2->dwHighDateTime;15 16     ULARGE_INTEGER uliRetValue;17     uliRetValue.QuadPart = ul2.QuadPart - ul1.QuadPart;18     uliRetValue.QuadPart /= 10;19     uliRetValue.QuadPart /= 1000;20 21     return int(uliRetValue.QuadPart);22 }23 24 int _tmain(int argc, _TCHAR* argv[])25 {26     FILETIME cpuTime;27     FILETIME sysTime;28     FILETIME createTime;29     FILETIME exitTime;30     31     BOOL c1 = GetProcessTimes(GetCurrentProcess(), &createTime, &exitTime, &sysTime, &cpuTime);    32     33     for(int i = 0; i < 1000; i++)34         std::cout << i << std::endl;35 36     Sleep(3000);37     FILETIME cpuTime2;38     FILETIME sysTime2;39     FILETIME createTime2;40     FILETIME exitTime2;41 42     BOOL c2 = GetProcessTimes(GetCurrentProcess(), &createTime2, &exitTime2, &sysTime2, &cpuTime2);43 44     std::cout << "sysTime:" << GetMSBetweenFileTime(&sysTime, &sysTime2) << std::endl;45     std::cout << "cpuTime:" << GetMSBetweenFileTime(&cpuTime, &cpuTime2) << std::endl;46     std::cout << "Done";47 }