timeb 的使用

来源：互联网发布：nature数据库东南大学编辑：程序博客网时间：2024/05/17 02:31
<span style="font-size:18px;">// localtime_test.cpp : 定义控制台应用程序的入口点。///************************************************************************//*author:郑金玮time:2014/07/08desc:impl timeb test*//************************************************************************/#include "stdafx.h"#include <sys/timeb.h>#include <time.h>#include <stdlib.h>#include <iostream>#include <Windows.h>using namespace std;typedef unsigned __int64 uint64;class CTimeProcess{public:CTimeProcess(){}~CTimeProcess(){}private:void __init(){LARGE_INTEGER nFreq;QueryPerformanceFrequency(&nFreq);m_millsecondsPerTick = 1000.0f / nFreq.QuadPart;}public:uint64 gettime(){static bool _bIsInit = false;if (_bIsInit==false){__init();_bIsInit = true;}LARGE_INTEGER nFreq;QueryPerformanceCounter(&nFreq);return (uint64)(nFreq.QuadPart * m_millsecondsPerTick);}public:static CTimeProcess* instance();private:double m_millsecondsPerTick;};CTimeProcess* CTimeProcess::instance(){static CTimeProcess tp;return &tp;}#define CURTIME() CTimeProcess::instance()int _tmain(int argc, _TCHAR* argv[]){uint64 _startTime = CURTIME()->gettime();_timeb tb;::_ftime(&tb);struct tm *t = ::localtime(&tb.time);char szTime[256];memset(szTime,0,sizeof(szTime));cout<<"year:"<<t->tm_year+1900<<endl;cout<<"month:"<<t->tm_mon+1<<endl;cout<<"day:"<<t->tm_mday<<endl;cout<<"hour:"<<t->tm_hour<<endl;cout<<"minute:"<<t->tm_min<<endl;cout<<"secs:"<<t->tm_sec<<endl;cout<<"星期："<<t->tm_wday<<endl;Sleep(3000);uint64 _endTime = CURTIME()->gettime();cout<<"all code execute cost "<<_endTime-_startTime<<" millsecs"<<endl;cout<<endl<<endl;system("pause");return 0;}</span>
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