iOS 时间转换总结

iOS 时间转换总结
   //获取当前时间
    NSDateFormatter *formatter = [[[NSDateFormatter alloc] init]autorelease];
    [formatter setLocale:[[[NSLocale alloc] initWithLocaleIdentifier:@"en_US"] autorelease]];
    [formatter setDateFormat:@"yy-MM-dd HH:mm"];
    NSString *currentTime = [formatter stringFromDate:[NSDate date]];

  //时间戳转换成“2012-11-20”格式
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    dateFormatter.timeZone = [NSTimeZone timeZoneWithName:@"wuhan"];
    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm"];
    NSDate *theday = [NSDate dateWithTimeIntervalSince1970:[time integerValue]];
    NSString *day = [dateFormatter stringFromDate:theday];
    [dateFormatter release];

  //“2012-11-20”转化成“2012年11月20日”
   NSDateFormatter * formatter = [[NSDateFormatter alloc] init];
   [formatter setDateFormat:@"yyyy-MM-dd"];
    NSDate *date = [formatter dateFromString:time];
   [formatter setDateFormat:@"yyyy年MM月dd日"];
   NSString *day = [formatter stringFromDate:date];
   [formatter release];

  //时间差值计算
   NSString *hdate = [NSString stringWithFormat:@"%@ 12:00:00",messageDetail.action.time];
   NSDateFormatter *formatter = [[NSDateFormatter alloc]init];
   [formatter setTimeZone:[NSTimeZone timeZoneWithName:@"GMT"]];
   [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
   NSDate *date = [formatter dateFromString:hdate];
   [formatter release];
   NSLog(@"date = %@",date);
   NSTimeInterval late = [date timeIntervalSince1970]*1;
   NSDate* dat = [NSDate dateWithTimeIntervalSinceNow:0];
   NSTimeInterval nowt = [dat timeIntervalSince1970]*1;
   NSTimeInterval cha = late - nowt;

   if ( cha > 0) {
        condition.date = messageDetail.action.time;
     }else{

          NSDate *nowTime = [NSDate date];
           NSDate *tomorrow = [NSDate dateWithTimeInterval:24*60*60 sinceDate:nowTime];
          NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
          [formatter setDateFormat:@"yyyy-MM-dd"];
           NSString *nextDay = [formatter stringFromDate:tomorrow];
           NSLog(@"我想要看到的结果*****#####%@",nextDay);
           condition.date = nextDay;
          [formatter release];
        }


   //计算时间差
- (NSString *)theTime:(NSString *)issueTime
{
    //计算时间差
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSDate *date = [formatter dateFromString:issueTime];
    [formatter release];


    NSTimeInterval late = [date timeIntervalSince1970]*1;

    NSDate* dat = [NSDate dateWithTimeIntervalSinceNow:0];
    NSTimeInterval now = [dat timeIntervalSince1970]*1;
    NSString *timeString = @"";

    NSTimeInterval cha = now - late;

    if (cha/60 > 0 && cha/60 < 1) {
        timeString = [NSString stringWithFormat:@"%f", cha];
        timeString = [timeString substringToIndex:timeString.length-7];
        timeString=[NSString stringWithFormat:@"%@秒前", timeString];

    }
    if (cha/60 > 1 && cha/3600 < 1) {
        timeString = [NSString stringWithFormat:@"%f", cha/60];
        timeString = [timeString substringToIndex:timeString.length-7];
        timeString=[NSString stringWithFormat:@"%@分钟前", timeString];

    }
    if (cha/3600 > 1 && cha/86400 < 1) {
        timeString = [NSString stringWithFormat:@"%f", cha/3600];
        timeString = [timeString substringToIndex:timeString.length-7];
        timeString=[NSString stringWithFormat:@"%@小时前", timeString];
    }
    if (cha/86400 > 1)
    {
        timeString = [NSString stringWithFormat:@"%f", cha/86400];
        timeString = [timeString substringToIndex:timeString.length-7];
        timeString=[NSString stringWithFormat:@"%@天前", timeString];
    }
    return timeString;
}

//计算星期几
- (NSString *)getWeekDayByDate:(NSDate *)date{
    NSCalendar *calendar = [NSCalendar currentCalendar];
    NSDateComponents *weekComp = [calendar components:NSWeekdayCalendarUnit fromDate:date];
    NSInteger weekDayEnum = [weekComp weekday];
    NSString *weekDays = nil;
    switch (weekDayEnum) {
        case 1:
            weekDays = @"星期日";
            break;
        case 2:
            weekDays = @"星期一";
            break;
        case 3:
            weekDays = @"星期二";
            break;
        case 4:
            weekDays = @"星期三";
            break;
        case 5:
            weekDays = @"星期四";
            break;
        case 6:
            weekDays = @"星期五";
            break;
        case 7:
            weekDays = @"星期六";
            break;
        default:
            break;
    }
    return weekDays;
}

//获取农历节日，节气

获取农历节日的算法：

+(NSString *)getLunarHoliDayDate:(NSDate *)date{

NSTimeInterval timeInterval_day = float(60*60*24);

NSDate *nextDay_date = [NSDate dateWithTimeInterval:timeInterval_day sinceDate:date];

NSCalendar *localeCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSChineseCalendar];

unsigned unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit;

NSDateComponents *localeComp = [localeCalendar components:unitFlags fromDate:nextDay_date];

if ( 1 == localeComp.month && 1 == localeComp.day ) {

[localeCalendar release];

return @"除夕";

}

NSDictionary *chineseHoliDay = [NSDictionary dictionaryWithObjectsAndKeys:

@"春节", @"1-1",

@"元宵", @"1-15",

@"端午", @"5-5",

@"七夕", @"7-7",

@"中元", @"7-15",

@"中秋", @"8-15",

@"重阳", @"9-9",

@"腊八", @"12-8",

@"小年", @"12-24",

nil];

localeComp = [localeCalendar components:unitFlags fromDate:date];

NSString *key_str = [NSString stringWithFormat:@"%d-%d",localeComp.month,localeComp.day];

return [chineseHoliDay objectForKey:key_str];

}

以下是根据公里年月日来获取农历节气的方法：

记录表：

const int START_YEAR =1901;

const int END_YEAR =2050;

static int32_t gLunarHolDay[]=

{

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1901

0X96, 0XA4, 0X96, 0X96, 0X97, 0X87, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1902

0X96, 0XA5, 0X87, 0X96, 0X87, 0X87, 0X79, 0X69, 0X69, 0X69, 0X78, 0X78, //1903

0X86, 0XA5, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X78, 0X87, //1904

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1905

0X96, 0XA4, 0X96, 0X96, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1906

0X96, 0XA5, 0X87, 0X96, 0X87, 0X87, 0X79, 0X69, 0X69, 0X69, 0X78, 0X78, //1907

0X86, 0XA5, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1908

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1909

0X96, 0XA4, 0X96, 0X96, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1910

0X96, 0XA5, 0X87, 0X96, 0X87, 0X87, 0X79, 0X69, 0X69, 0X69, 0X78, 0X78, //1911

0X86, 0XA5, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1912

0X95, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1913

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1914

0X96, 0XA5, 0X97, 0X96, 0X97, 0X87, 0X79, 0X79, 0X69, 0X69, 0X78, 0X78, //1915

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1916

0X95, 0XB4, 0X96, 0XA6, 0X96, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X87, //1917

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X77, //1918

0X96, 0XA5, 0X97, 0X96, 0X97, 0X87, 0X79, 0X79, 0X69, 0X69, 0X78, 0X78, //1919

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1920

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X87, //1921

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X77, //1922

0X96, 0XA4, 0X96, 0X96, 0X97, 0X87, 0X79, 0X79, 0X69, 0X69, 0X78, 0X78, //1923

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1924

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X87, //1925

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1926

0X96, 0XA4, 0X96, 0X96, 0X97, 0X87, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1927

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1928

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1929

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1930

0X96, 0XA4, 0X96, 0X96, 0X97, 0X87, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1931

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1932

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1933

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1934

0X96, 0XA4, 0X96, 0X96, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1935

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1936

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1937

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1938

0X96, 0XA4, 0X96, 0X96, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1939

0X96, 0XA5, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1940

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1941

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1942

0X96, 0XA4, 0X96, 0X96, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1943

0X96, 0XA5, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1944

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1945

0X95, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X77, //1946

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1947

0X96, 0XA5, 0XA6, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //1948

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X79, 0X78, 0X79, 0X77, 0X87, //1949

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X77, //1950

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X79, 0X79, 0X79, 0X69, 0X78, 0X78, //1951

0X96, 0XA5, 0XA6, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //1952

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1953

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X78, 0X79, 0X78, 0X68, 0X78, 0X87, //1954

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1955

0X96, 0XA5, 0XA5, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //1956

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1957

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1958

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1959

0X96, 0XA4, 0XA5, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1960

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1961

0X96, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1962

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1963

0X96, 0XA4, 0XA5, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1964

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1965

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1966

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1967

0X96, 0XA4, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1968

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1969

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1970

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X79, 0X69, 0X78, 0X77, //1971

0X96, 0XA4, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1972

0XA5, 0XB5, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1973

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1974

0X96, 0XB4, 0X96, 0XA6, 0X97, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X77, //1975

0X96, 0XA4, 0XA5, 0XB5, 0XA6, 0XA6, 0X88, 0X89, 0X88, 0X78, 0X87, 0X87, //1976

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //1977

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X78, 0X87, //1978

0X96, 0XB4, 0X96, 0XA6, 0X96, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X77, //1979

0X96, 0XA4, 0XA5, 0XB5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1980

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X77, 0X87, //1981

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1982

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X78, 0X79, 0X78, 0X69, 0X78, 0X77, //1983

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X87, //1984

0XA5, 0XB4, 0XA6, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //1985

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1986

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X79, 0X78, 0X69, 0X78, 0X87, //1987

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //1988

0XA5, 0XB4, 0XA5, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1989

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //1990

0X95, 0XB4, 0X96, 0XA5, 0X86, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1991

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //1992

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1993

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1994

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X76, 0X78, 0X69, 0X78, 0X87, //1995

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //1996

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //1997

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //1998

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //1999

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //2000

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2001

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //2002

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //2003

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //2004

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2005

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2006

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X69, 0X78, 0X87, //2007

0X96, 0XB4, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X87, 0X78, 0X87, 0X86, //2008

0XA5, 0XB3, 0XA5, 0XB5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2009

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2010

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X78, 0X87, //2011

0X96, 0XB4, 0XA5, 0XB5, 0XA5, 0XA6, 0X87, 0X88, 0X87, 0X78, 0X87, 0X86, //2012

0XA5, 0XB3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X87, //2013

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2014

0X95, 0XB4, 0X96, 0XA5, 0X96, 0X97, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //2015

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X87, 0X88, 0X87, 0X78, 0X87, 0X86, //2016

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X87, //2017

0XA5, 0XB4, 0XA6, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2018

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //2019

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X86, //2020

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //2021

0XA5, 0XB4, 0XA5, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2022

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X79, 0X77, 0X87, //2023

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X96, //2024

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //2025

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2026

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //2027

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X96, //2028

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //2029

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2030

0XA5, 0XB4, 0X96, 0XA5, 0X96, 0X96, 0X88, 0X78, 0X78, 0X78, 0X87, 0X87, //2031

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X96, //2032

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X86, //2033

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X78, 0X88, 0X78, 0X87, 0X87, //2034

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2035

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X96, //2036

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X86, //2037

0XA5, 0XB3, 0XA5, 0XA5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2038

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2039

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X96, //2040

0XA5, 0XC3, 0XA5, 0XB5, 0XA5, 0XA6, 0X87, 0X88, 0X87, 0X78, 0X87, 0X86, //2041

0XA5, 0XB3, 0XA5, 0XB5, 0XA6, 0XA6, 0X88, 0X88, 0X88, 0X78, 0X87, 0X87, //2042

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2043

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X88, 0X87, 0X96, //2044

0XA5, 0XC3, 0XA5, 0XB4, 0XA5, 0XA6, 0X87, 0X88, 0X87, 0X78, 0X87, 0X86, //2045

0XA5, 0XB3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X88, 0X78, 0X87, 0X87, //2046

0XA5, 0XB4, 0X96, 0XA5, 0XA6, 0X96, 0X88, 0X88, 0X78, 0X78, 0X87, 0X87, //2047

0X95, 0XB4, 0XA5, 0XB4, 0XA5, 0XA5, 0X97, 0X87, 0X87, 0X88, 0X86, 0X96, //2048

0XA4, 0XC3, 0XA5, 0XA5, 0XA5, 0XA6, 0X97, 0X87, 0X87, 0X78, 0X87, 0X86, //2049

0XA5, 0XC3, 0XA5, 0XB5, 0XA6, 0XA6, 0X87, 0X88, 0X78, 0X78, 0X87, 0X87 //2050

};

函数：

+(NSString *)getLunarSpecialDate:(int)iYear Month:(int)iMonth Day:(int)iDay {

NSArray *chineseDays=[NSArray arrayWithObjects:

@"小寒", @"大寒", @"立春", @"雨水", @"惊蛰", @"春分",

@"清明", @"谷雨", @"立夏", @"小满", @"芒种", @"夏至",

@"小暑", @"大暑", @"立秋", @"处暑", @"白露", @"秋分",

@"寒露", @"霜降", @"立冬", @"小雪", @"大雪", @"冬至", nil];

int array_index = (iYear - START_YEAR)*12+iMonth -1 ;

int64_t flag = gLunarHolDay[array_index];

int64_t day;

if(iDay <15)

day= 15 - ((flag>>4)&0x0f);

else

day = ((flag)&0x0f)+15;

int index = -1;

if(iDay == day){

index = (iMonth-1) *2 + (iDay>15? 1: 0);

}

if ( index >= 0 && index < [chineseDays count] ) {

return [chineseDays objectAtIndex:index];

} else {

return nil;

}

}

//获取农历方法1

+(NSString*)getChineseCalendarWithDate:(NSDate *)date{



    NSArray *chineseYears = [NSArray arrayWithObjects:

                       @"甲子", @"乙丑", @"丙寅", @"丁卯",  @"戊辰",  @"己巳",  @"庚午",  @"辛未",  @"壬申",  @"癸酉",

                       @"甲戌",   @"乙亥",  @"丙子",  @"丁丑", @"戊寅",   @"己卯",  @"庚辰",  @"辛己",  @"壬午",  @"癸未",

                       @"甲申",   @"乙酉",  @"丙戌",  @"丁亥",  @"戊子",  @"己丑",  @"庚寅",  @"辛卯",  @"壬辰",  @"癸巳",

                       @"甲午",   @"乙未",  @"丙申",  @"丁酉",  @"戊戌",  @"己亥",  @"庚子",  @"辛丑",  @"壬寅",  @"癸丑",

                       @"甲辰",   @"乙巳",  @"丙午",  @"丁未",  @"戊申",  @"己酉",  @"庚戌",  @"辛亥",  @"壬子",  @"癸丑",

                       @"甲寅",   @"乙卯",  @"丙辰",  @"丁巳",  @"戊午",  @"己未",  @"庚申",  @"辛酉",  @"壬戌",  @"癸亥", nil];



    NSArray *chineseMonths=[NSArray arrayWithObjects:

                        @"正月", @"二月", @"三月", @"四月", @"五月", @"六月", @"七月", @"八月",

                        @"九月", @"十月", @"冬月", @"腊月", nil];





    NSArray *chineseDays=[NSArray arrayWithObjects:

                      @"初一", @"初二", @"初三", @"初四", @"初五", @"初六", @"初七", @"初八", @"初九", @"初十",

                      @"十一", @"十二", @"十三", @"十四", @"十五", @"十六", @"十七", @"十八", @"十九", @"二十",

                      @"廿一", @"廿二", @"廿三", @"廿四", @"廿五", @"廿六", @"廿七", @"廿八", @"廿九", @"三十",  nil];





    NSCalendar *localeCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSChineseCalendar];



    unsigned unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit |  NSDayCalendarUnit;



    NSDateComponents *localeComp = [localeCalendar components:unitFlags fromDate:date];



    NSLog(@"%d_%d_%d  %@",localeComp.year,localeComp.month,localeComp.day, localeComp.date);



    NSString *y_str = [chineseYears objectAtIndex:localeComp.year-1];

    NSString *m_str = [chineseMonths objectAtIndex:localeComp.month-1];

    NSString *d_str = [chineseDays objectAtIndex:localeComp.day-1];



    NSString *chineseCal_str =[NSString stringWithFormat: @"%@_%@_%@",y_str,m_str,d_str];



    [localeCalendar release];



    return chineseCal_str;

}

如果需要也可以拆成单独的函数来方便获取，例如获取月份：

+(NSString*)getChineseMonthWithDate:(NSDate *)date{



    NSArray *chineseMonths=[NSArray arrayWithObjects:

                            @"正月", @"二月", @"三月", @"四月", @"五月", @"六月", @"七月", @"八月",

                            @"九月", @"十月", @"冬月", @"腊月", nil];





    NSCalendar *localeCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSChineseCalendar];



    unsigned unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit |  NSDayCalendarUnit;



    NSDateComponents *localeComp = [localeCalendar components:unitFlags fromDate:date];



    //NSLog(@"%d_%d_%d  %@",localeComp.year,localeComp.month,localeComp.day, localeComp.date);



    NSString *m_str = [chineseMonths objectAtIndex:localeComp.month-1];



    [localeCalendar release];



    return m_str;



}

另外如果不知道如何获取NSDate 那么额外加个方法用来根据string和format来得到对应的 NSDate：

+(NSDate *)getDateWithDateString:(NSString *)strDate formatString:(NSString*)strFormat{



    NSDateFormatter *formatter = [[[NSDateFormatter alloc] init] autorelease];



    NSTimeZone *timeZone =  [NSTimeZone timeZoneWithAbbreviation:@"GMT"];



    //NSTimeZone *localTime = [NSTimeZone localTimeZone];



    [formatter setTimeZone:timeZone];

    [formatter setDateFormat : strFormat];



    NSDate *dateTime = [formatter dateFromString:strDate];



    return dateTime;

}

使用方法类似这样,比如获取世界末日那一时刻的Date～～～

NSDate *date = [Tool_Functions getDateWithDateString:@"2012-12-21 15:14:35"

                                            formatString:@"yyyy-MM-dd HH:mm:ss"];

//获取农历方法2
- (NSString *)lunarForSolar:(NSDate *)solarDate{

    //农历日期名

    NSArray *cDayName = [NSArray  arrayWithObjects:@"*",@"初一",@"初二",@"初三",@"初四",@"初五",@"初六",@"初七",@"初八",@"初九",@"初十",

                         @"十一",@"十二",@"十三",@"十四",@"十五",@"十六",@"十七",@"十八",@"十九",@"二十",

                         @"廿一",@"廿二",@"廿三",@"廿四",@"廿五",@"廿六",@"廿七",@"廿八",@"廿九",@"三十",nil];

    //农历月份名

    NSArray *cMonName = [NSArray arrayWithObjects:@"*",@"正",@"二",@"三",@"四",@"五",@"六",@"七",@"八",@"九",@"十",@"十一",@"腊",nil];


    //公历每月前面的天数

    const int wMonthAdd[12] = {0,31,59,90,120,151,181,212,243,273,304,334};



    //农历数据

    const int wNongliData[100] = {2635,333387,1701,1748,267701,694,2391,133423,1175,396438

        ,3402,3749,331177,1453,694,201326,2350,465197,3221,3402

        ,400202,2901,1386,267611,605,2349,137515,2709,464533,1738

        ,2901,330421,1242,2651,199255,1323,529706,3733,1706,398762

        ,2741,1206,267438,2647,1318,204070,3477,461653,1386,2413

        ,330077,1197,2637,268877,3365,531109,2900,2922,398042,2395

        ,1179,267415,2635,661067,1701,1748,398772,2742,2391,330031

        ,1175,1611,200010,3749,527717,1452,2742,332397,2350,3222

        ,268949,3402,3493,133973,1386,464219,605,2349,334123,2709

        ,2890,267946,2773,592565,1210,2651,395863,1323,2707,265877};



    static int wCurYear,wCurMonth,wCurDay;

    static int nTheDate,nIsEnd,m,k,n,i,nBit;



    //取当前公历年、月、日

    NSDateComponents *components = [[NSCalendar currentCalendar] components:NSDayCalendarUnit | NSMonthCalendarUnit | NSYearCalendarUnit fromDate:solarDate];

    wCurYear = [components year];

    wCurMonth = [components month];

    wCurDay = [components day];



    //计算到初始时间1921年2月8日的天数：1921-2-8(正月初一)

    nTheDate = (wCurYear - 1921) * 365 + (wCurYear - 1921) / 4 + wCurDay + wMonthAdd[wCurMonth - 1] - 38;

    if((!(wCurYear % 4)) && (wCurMonth > 2))

        nTheDate = nTheDate + 1;



    //计算农历天干、地支、月、日

    nIsEnd = 0;

    m = 0;

    while(nIsEnd != 1)

    {

        if(wNongliData[m] < 4095)

            k = 11;

        else

            k = 12;

        n = k;

        while(n>=0)

        {

            //获取wNongliData(m)的第n个二进制位的值

            nBit = wNongliData[m];

            for(i=1;i

                nBit = nBit/2;



            nBit = nBit % 2;



            if (nTheDate <= (29 + nBit))

            {

                nIsEnd = 1;

                break;

            }



            nTheDate = nTheDate - 29 - nBit;

            n = n - 1;

        }

        if(nIsEnd)

            break;

        m = m + 1;

    }

    wCurYear = 1921 + m;

    wCurMonth = k - n + 1;

    wCurDay = nTheDate;

    if (k == 12)

    {

        if (wCurMonth == wNongliData[m] / 65536 + 1)

            wCurMonth = 1 - wCurMonth;

        else if (wCurMonth > wNongliData[m] / 65536 + 1)

            wCurMonth = wCurMonth - 1;

    }

    //生成农历月、日

    NSString *szNongliDay;

    if (wCurMonth < 1){

        szNongliDay = [NSString stringWithFormat:@"闰%@",(NSString *)[cMonName objectAtIndex:-1 * wCurMonth]];

    }

    else{

        szNongliDay = (NSString *)[cMonName objectAtIndex:wCurMonth];

    }

    NSString *lunarDate = [NSString stringWithFormat:@"%@月%@",szNongliDay,(NSString *)[cDayName objectAtIndex:wCurDay]];

    return lunarDate;

}

//显示六天周次，当天排第一，显示为今天
- (void)weekDays{
    NSDate *date = [NSDate date];
    NSCalendar *calendar = [NSCalendar currentCalendar];
    NSDateComponents *comps;

    // 周几和星期几获得
    comps = [calendar components:(NSWeekCalendarUnit | NSWeekdayCalendarUnit | NSWeekdayOrdinalCalendarUnit)
                        fromDate:date];
    NSInteger weekday = [comps weekday]; // 星期几（注意，周日是“1”，周一是“2”。。。。）
    NSArray *weekDays = [NSArray arrayWithObjects:@"周日",@"周一",@"周二",@"周三",@"周四",@"周五",@"周六", nil];


    for (int j = weekday-1; j
        [weekArray addObject:[weekDays objectAtIndex:j]];
    }
    if (weekday>2) {
        for (int k = 0; k
            [weekArray addObject:[weekDays objectAtIndex:k]];
        }

    }

    for (int i =0; i<6; i++) {
        OneDayWeatherView *oneDayWeather = (OneDayWeatherView *)[self viewWithTag:2012+i];
        oneDayWeather.theWeek.text = [weekArray objectAtIndex:i];
        if (i==0) {
            oneDayWeather.theWeek.text = @"今天";
        }
    }
}
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原文地址：https://www.cnblogs.com/liaolijun/p/4815447.html