文件时间转毫秒 系统时间转毫秒

LONGLONG FileTimeToMillSeconds(FILETIME* pTime)
{
ULARGE_INTEGER ui;

ui.LowPart = pTime->dwLowDateTime;

ui.HighPart = pTime->dwHighDateTime;

return ((LONGLONG)(ui.QuadPart - 116444736000000000) / 10000);

}

LONGLONG SystemTimeToMillSeconds(SYSTEMTIME* pTime)
{

FILETIME fTime = { 0, 0 };

SystemTimeToFileTime(pTime, &fTime);

return FileTimeToMillSeconds(&fTime);

}

文件时间转毫秒 系统时间转毫秒

原文：https://www.cnblogs.com/wuguoqiang/p/15048473.html