#include "StdAfx.h"
#include "WorkTime.h"

CWorkTime gWorkTime;
CWorkTime::CWorkTime(void)
{
      m_bRecordTime = false;//是否正在计时
      m_BackTime1Seconds = 0;//倒计时秒数
      m_BackTime2Seconds = 0;//倒计时秒数
      m_bBackTime1End = false;//倒计时1 是否判断过
}
CWorkTime::~CWorkTime(void)
{
}
CString CWorkTime::Int2Str_LeftZero(int n)
{
     CString s;
     if(n<10)
         s.Format("0%ld",n);//左边补0
     else
         s.Format("%ld",n);
     return s;
}
#if 1//粗略计时
//开始计时
void CWorkTime::StartRecordTime()
{
     m_bRecordTime = true;
     m_StartTime=CTime::GetCurrentTime();
}
void CWorkTime::StopRecordTime()
{
     m_bRecordTime = false;
}
CString CWorkTime::GetTimeSpanStr()
{
     if(!m_bRecordTime)
     {
          return "";
     }
     //获取当前系统时间
     CTime CurTime;
     CTimeSpan TimeSpan;//时间差
     CurTime=CTime::GetCurrentTime();
     TimeSpan = CurTime - m_StartTime;
     return GetTimeSpanStr(TimeSpan);
}
//当前经过了多少秒
double CWorkTime::GetTimeSpanSecond()
{
     CTimeSpan TimeSpan = GetTimeSpan();
     int s = 0;
     s += TimeSpan.GetHours() * 60 * 60;
     s += TimeSpan.GetMinutes() * 60;
     s += TimeSpan.GetSeconds();
     return s;
}
CTimeSpan CWorkTime::GetTimeSpan()
{
     //获取当前系统时间
     CTime CurTime;
     CTimeSpan TimeSpan;//时间差
     CurTime=CTime::GetCurrentTime();
     TimeSpan = CurTime - m_StartTime;
     return TimeSpan;
}
//获取当前经过时间
CString CWorkTime::GetTimeSpanStr(CTimeSpan &TimeSpan)
{
    return Int2Str_LeftZero(TimeSpan.GetHours())+":"+Int2Str_LeftZero(TimeSpan.GetMinutes())+":"+Int2Str_LeftZero(TimeSpan.GetSeconds());
}

//获取当天的字符串"12:02:25"
CString CWorkTime::GetCurDate(CString Separator)
{
     CString str;
     CTime CurTime;
     CurTime=CTime::GetCurrentTime();

     str += Int2Str_LeftZero(CurTime.GetYear())+Separator;
     str += Int2Str_LeftZero(CurTime.GetMonth())+Separator;
     str += Int2Str_LeftZero(CurTime.GetDay());
     return str;
}
//获取当前的年
CString CWorkTime::GetCurYear()
{
     CString str;
     CTime CurTime;
     CurTime=CTime::GetCurrentTime();
     str += Int2Str_LeftZero(CurTime.GetYear());
     return str;
}
//获取当前的月
CString CWorkTime::GetCurMonth()
{
     CString str;
     CTime CurTime;
     CurTime=CTime::GetCurrentTime();
     str += Int2Str_LeftZero(CurTime.GetMonth());
     return str;
}
CString CWorkTime::GetCurDay()
{
     CString str;
     CTime CurTime;
     CurTime=CTime::GetCurrentTime();
     str += Int2Str_LeftZero(CurTime.GetDay());
     return str;
}
//获取当前时间Separator 为分隔符
CString CWorkTime::GetCurTime(CString Separator)
{
     CString str;
     CTime CurTime;
     CurTime=CTime::GetCurrentTime();

     str += Int2Str_LeftZero(CurTime.GetHour())+Separator;
     str += Int2Str_LeftZero(CurTime.GetMinute())+Separator;
     str += Int2Str_LeftZero(CurTime.GetSecond());

     return str;
}
CString CWorkTime::GetDateTime(CString SeparatorDate,CString SeparatorTime)
{
     CString CurDate = GetCurDate(SeparatorDate);
     CString CurTime = GetCurTime(SeparatorTime);
     CString DateTime = CurDate + SeparatorDate + CurTime;
     return DateTime;
}
CString CWorkTime::GetDateStr(CTime Time,CString Separator)
{
     CString str;
     str += Int2Str_LeftZero(Time.GetYear())+Separator;
     str += Int2Str_LeftZero(Time.GetMonth())+Separator;
     str += Int2Str_LeftZero(Time.GetDay());
     return str;
}
//当前经过了多少分钟
int CWorkTime::GetTimeSpanMin(CTimeSpan &TimeSpan)
{
     int m = 0;
     m += TimeSpan.GetHours()*60;
     m += TimeSpan.GetMinutes();
     return m;
}
#endif
#if 1//精确计时
//开始精确计时
void CWorkTime::StartExactTime()
{
     QueryPerformanceCounter(&m_ExactStart);
}

#endif
#if 1//倒计时功能
//开始倒计时(Time2 到了之后才结束计时)
void CWorkTime::StartBackTime(double Time1,double Time2)
{
      m_BackTime1Seconds = Time1;
      m_BackTime2Seconds = Time2;
      m_bBackTime1End = false;//倒计时1 是否判断过
      StartRecordTime();
}
//获取还剩多少时间
CString CWorkTime::GetLeftTimes()
{
      double CurSeconds = GetTimeSpanSecond();//当前经过的秒数
      int LeftSeconds = (int)(m_BackTime2Seconds-CurSeconds);
      CString str = "00:00:00";
      if(LeftSeconds>0)
      {
            int Seconds = LeftSeconds % 60;
            LeftSeconds -= Seconds;
            int Minutes = (LeftSeconds%3600)/60; 
            LeftSeconds -= Minutes*60;
            int Hours = LeftSeconds/3600;
            str = Int2Str_LeftZero(Hours)+":"+Int2Str_LeftZero(Minutes)+":"+Int2Str_LeftZero(Seconds);
      }
      return str;
}
//倒计时是否结束(idx == 1 或者idx == 2)
bool CWorkTime::IsBackTimeEnd(int idx)
{
      if(!m_bRecordTime)//已经结束
          return true;
      if(idx==1 && m_bBackTime1End)//保证倒计时1 只返回一次
          return false;
      double CurSeconds = GetTimeSpanSecond();//当前经过的秒数
      double BackTimeSeconds = (idx==1)?m_BackTime1Seconds:m_BackTime2Seconds;
      if(CurSeconds > BackTimeSeconds)
      {
           if(idx==2)
           {
               m_bRecordTime = false;//结束计时
           }
           else
           {
               m_bBackTime1End = true;
           }
           return true;
      }
      return false;
}
#endif
//微秒级延时，us为微秒
void CWorkTime::DelayTime(unsigned int us)
{
    if(us>0)
    {
        LARGE_INTEGER ClockFre;
        QueryPerformanceFrequency(&ClockFre);
        
        LARGE_INTEGER start, end;
        LONGLONG count = (us*ClockFre.QuadPart)/(1000*1000);
        QueryPerformanceCounter(&start);
        count = count + start.QuadPart ;
        do
        {
               QueryPerformanceCounter(&end);
        }while(end.QuadPart<count);
    }

}