13/11位unix时间戳转换成标准时间

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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<yearLengths[isLeap]){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<monthLengths[isLeap][month]){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