- LARGE_INTEGER m_nFreq;
- LARGE_INTEGER m_nBeginTime;
- LARGE_INTEGER m_nEndTime;
- float dwTime;
- QueryPerformanceFrequency(&m_nFreq);
- QueryPerformanceCounter(&m_nBeginTime);
- //要测试时间消耗的代码
- QueryPerformanceCounter(&m_nEndTime);
- dwTime = (m_nEndTime.QuadPart-m_nBeginTime.QuadPart)*1000.0/m_nFreq.QuadPart;
- int i = dwTime;
- qDebug() << "***************************************************************";
- qDebug() << "* " <<tr("time %1").arg(dwTime);
- qDebug() << "***************************************************************";
- //该片段来自于http://www.codesnippet.cn/detail/280420133095.html
来源: http://www.codesnippet.cn/detail/280420133095.html