使用范例

char *str="1320718222932";

long long time1;

sscanf(str,"%I64d",&time);

CString strTime=MillSecond2LocalTime(time,8);

/

int CTimeChangeDlg::IsLeap(unsigned short year)

{

return ((year%4==0)&&(year%100!=0)||(year%400==0));

}

CString CTimeChangeDlg::MillSecond2LocalTime(long long time,long timezone)

{

const int monthLengths[2][13]={

{0,31,59,90,120,151,181,212,243,273,304,334,365},

{0,31,60,91,121,152,182,213,244,274,305,335,366}

};

const int yearLengths[2]={365,366};

int year(0),month(0),minMonth(0),maxMonth(0),days(0),clock(0),isLeap(0),day(0),hour(0),minute(0),second(0);

time/=1000;

time+=timezone*60*60;

days=time/86400;//天数

clock=time%86400;//小时数

if(clock<0)

{

clock+=86400;

days-=1;

}

if(days>=0)

{

year=days/366;

days-=year*365+(year+1)/4-(year+69)/100+(year+369)/400;

for (year=year+1970;;year++)

{

isLeap=IsLeap(year);

if(days

{

break;

}

days-=yearLengths[isLeap];

}

}

else

{

year=days/366;

days-=year*365+(year-2)/4-(year-30)/100+(year-30)/400;

for(year=year+1970-1;;year--)

{

isLeap=false;

days+=yearLengths[isLeap];

if (days>=0)

{

break;

}

}

}

minMonth=0;

maxMonth=12;

for (month=5;month<12&&month>0;month=(minMonth+maxMonth)/2)

{

if (days

{

maxMonth=month;

}

else if (days>=monthLengths[isLeap][month+1])

{

minMonth=month;

}

else

{

break;

}

}

days-=monthLengths[isLeap][month];

month++;

day=days+1;

hour=clock/3600;

clock=clock%3600;

minute=clock/60;

second=clock%60;

CString t;

t.Format(TEXT("%d-%02d-%02d %02d:%02d:%02d"),year,month,day,hour,minute,second);

return t;

}

11位Unix 时间戳转换系统标准形式时间

/************************ 转换按钮 *****************

//输入UNIX字符串 csInput = “1244915859”;

//输出系统时间：csOutput = “2009-06-14 01：57：39”;

***************************************************/

void CUnixTimeDlg::OnBnClickedButton1()

{

// TODO: 在此添加控件通知处理程序代码

CString csInput,csOutput;

m_input.GetWindowTextA(csInput); //获取编辑框输入Unix字符串

int nUnixTime = atoi(csInput);

struct tm *newtime;

__time64_t long_time = nUnixTime;

newtime = _localtime64( &long_time ); // 值存在newtime 中

csOutput.Format("%04d-%02d-%02d %02d:%02d:%02d"

,newtime->tm_year + 1900 //年需要加1900

,newtime->tm_mon + 1 //月需要加1 (它是从0 到11)

,newtime->tm_mday

,newtime->tm_hour

,newtime->tm_min

,newtime->tm_sec

);

m_output.SetWindowTextA(csOutput); //编辑框输出系统时间字符串

}

系统标准形式时间转换Unix 时间戳

//unix时间戳为1900年以来的秒数

//获取系统当前时间的Unix时间戳

Cstring nowTime;

SYSTEMTIME sysTime;

GetLocalTime(&sysTime);

CTime m_tTime(sysTime);

time_t unixTime = m_tTime.GetTime();

nowTime.Format("%d",unixTime);//输出UNIX时间戳字符串

对于iOS它是从2001-01-01 00:00:00算起

需要做一个转换417594327.880849(实际时间)+978278400(从1970-01-01 00:00:00至2001-01-01 00:00:00) + 8 * 3600 (UTC+8) = 1395901527.880849