iOS 关于时间类API的整理

/**

 返回时间戳（单位：秒）

*/

+(long)dateCurrent;

/**

 *  获取iPhone时间（数组形式）。

 *  @return @"2016" @"2" @"18" @"11" @"26" @"00"

 */

+(NSArray*)dateMembers;

/**

 *  获取iPhone时间（字符串形式）。

 *  @return @"20160218112600"

 */

+ (NSString*)dateString;

/**

 *  编辑日期时间

 */

+(NSDate*)makeDateYear:(int)y

                 Month:(int)mo

                   Day:(int)d

                  Hour:(int)h

                   Min:(int)m

                   Sec:(int)s;

/**

 *  将字符串日期分解时间成员，@"20160218112600" => @"2016" @"2" @"18" @"11" @"26" @"00"

 *  @param time    @"20160218112600"

 *  @return @"2016" @"2" @"18" @"11" @"26" @"00"

 */

+ (NSArray*)divideDateMembers:(NSString*)time;

/**

 *  时间值加“秒”值。

 *  @param  sec    秒数

 *  @param  date    @"20160218112600"

 */

+ (NSString*)addSec:(NSTimeInterval)sec OnDate:(NSString *)date;

/**

 *  求两个时间点差值。(timeA-timeB)

 *  @param  timeA    @"20160218112601"

 *  @param  timeB    @"20160218112600"

 */

+(NSTimeInterval)differenceOfDateA:(NSString*)timeA AndDateB:(NSString*)timeB;

/**

 *  求两个时间点差值。(dateA-dateB)

 *  @param  dateA

 *  @param  dateB

 */

+(NSTimeInterval)gapOfDateA:(NSDate*)dateA DateB:(NSDate*)dateB;

/**

 *  当前【天】

 */

+ (NSInteger)day:(NSDate *)date;

/**

 *  当前【月】

 */

+ (NSInteger)month:(NSDate *)date;

/**

 *  当前【年】

 */

+ (NSInteger)year:(NSDate *)date;

/**

 *  当前【星期】

 */

+ (NSInteger)weekday:(NSDate *)date;

/**

 *  这周是这个月的第几周？

 */

+ (NSInteger)firstWeekdayInThisMonth:(NSDate *)date;

/**

 *  获取当前月天数

 */

+ (NSInteger)totaldaysInMonth:(NSDate *)date;

/**

 *  上/下m个月后的时间。

 */

+ (NSDate*)changeMonth:(int)monDate:(NSDate*)date;

/**

 *  上/下d个天后的时间。

 */

+ (NSDate*)changeDay:(int)donDate:(NSDate*)date;

/**

 *  秒数换算

 *  输入 ：60秒      (uint32_t)

 *  返回 ：00:01:00 （NSString*）

 */

+(NSString*)stringFromSec:(uint32_t)sec;

+(long)dateCurrent{

    NSDate*datenow = [NSDatedate];

    longtime = (long)([datenowtimeIntervalSince1970]);

    returntime;

}

+(NSArray*)dateMembers

{

    NSDate*date = [NSDatedate];// 获得时间对象

    NSDateFormatter *forMatter = [[NSDateFormatter alloc] init];

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

    NSString*dateStr = [forMatterstringFromDate:date];

    NSArray * arr = [dateStr componentsSeparatedByString:@"-"];

    returnarr;

}

+(NSDate*)makeDateYear:(int)yMonth:(int)moDay:(int)dHour:(int)hMin:(int)mSec:(int)s{

    NSString*dateStr = [NSStringstringWithFormat:@"%d-%d-%d-%d-%d-%d",y,mo,d,h,m,s];

    NSDateFormatter *dateFormatter = [NSDateFormatter new];

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

    NSDate*destDate= [dateFormatterdateFromString:dateStr];

    returndestDate;

}

+ (NSArray*)divideDateMembers:(NSString*)time{

    if(time.length!=14)returnnil;

    NSString * y = [time substringWithRange:NSMakeRange(0, 4)];

    NSString * mo= [time substringWithRange:NSMakeRange(4, 2)];

    NSString * d = [time substringWithRange:NSMakeRange(6, 2)];

    NSString * h = [time substringWithRange:NSMakeRange(8, 2)];

    NSString * m = [time substringWithRange:NSMakeRange(10, 2)];

    NSString * s = [time substringWithRange:NSMakeRange(12, 2)];

    NSArray* array =@[y,mo,d,h,m,s];

    returnarray;

}

+ (NSString*)dateString{

    NSDateFormatter *format = [NSDateFormatter new];

    [formatsetDateFormat: @"yyyyMMddHHmmss"];

    NSString* string = [formatstringFromDate:[NSDatedate]];

    returnstring;

}

+ (NSString*)addSec:(NSTimeInterval)sec OnDate:(NSString *)date{

    NSDateFormatter *dateFormatter = [NSDateFormatter new];

    [dateFormattersetDateFormat:@"yyyyMMddHHmmss"];

    /*--- 原来时间值 ---*/

    NSDate*destDate= [dateFormatterdateFromString:date];

    /*--- 在原来时间值+sec秒值 ---*/

    NSDate*addSecDate = [destDatedateByAddingTimeInterval:sec];

    NSString*addSecDateString = [dateFormatterstringFromDate:addSecDate];

    returnaddSecDateString;

}

/*

 *  用途:求两个时间点差值。

 */

+(NSTimeInterval)differenceOfDateA:(NSString*)timeA AndDateB:(NSString*)timeB{

    NSDateFormatter * format = [NSDateFormatter new];

    [formatsetDateFormat: @"yyyyMMddHHmmss"];

    NSDate* dateA = [formatdateFromString:timeA];

    //NSTimeInterval late1=[dateA timeIntervalSince1970]*1;

    NSDate* dateB = [formatdateFromString:timeB];

    //NSTimeInterval late2=[dateB timeIntervalSince1970]*1;

    //long ret = (long)(late2 - late1);

    NSTimeIntervalgap = [dateAtimeIntervalSinceDate:dateB];

    returngap;

}

+(NSTimeInterval)gapOfDateA:(NSDate*)dateA DateB:(NSDate*)dateB{

    NSTimeIntervalgap = [dateAtimeIntervalSinceDate:dateB];

    returngap;

}

+ (NSInteger)day:(NSDate *)date{

    NSCalendar*calendar = [NSCalendarcurrentCalendar];

    [calendarsetTimeZone:[NSTimeZone localTimeZone]];

    NSDateComponents *components = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay) fromDate:date];

    return[componentsday];

}

+ (NSInteger)month:(NSDate *)date{

    NSCalendar*calendar = [NSCalendarcurrentCalendar];

    [calendarsetTimeZone:[NSTimeZone localTimeZone]];

    NSDateComponents *components = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay) fromDate:date];

    return[componentsmonth];

}

+ (NSInteger)year:(NSDate *)date{

    NSCalendar*calendar = [NSCalendarcurrentCalendar];

    [calendarsetTimeZone:[NSTimeZone localTimeZone]];

    NSDateComponents *components = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay) fromDate:date];

    return[componentsyear];

}

+ (NSInteger)weekday:(NSDate *)date{

    NSCalendar*calendar = [NSCalendarcurrentCalendar];

    [calendarsetTimeZone:[NSTimeZone localTimeZone]];

    NSDateComponents *components = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay|NSCalendarUnitWeekday) fromDate:date];

    return[componentsweekday];

}

+ (NSInteger)firstWeekdayInThisMonth:(NSDate *)date{

    NSCalendar*calendar = [NSCalendarcurrentCalendar];

    [calendarsetFirstWeekday:1];//1.Sun. 2.Mon. 3.Thes. 4.Wed. 5.Thur. 6.Fri. 7.Sat.

    NSDateComponents *comp = [calendar components:(NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay) fromDate:date];

    [compsetDay:1];

    NSDate*firstDayOfMonthDate = [calendardateFromComponents:comp];

    NSUInteger firstWeekday = [calendar ordinalityOfUnit:NSCalendarUnitWeekday inUnit:NSCalendarUnitWeekOfMonth forDate:firstDayOfMonthDate];

    returnfirstWeekday -1;

}

+ (NSInteger)totaldaysInMonth:(NSDate *)date{

    NSRange daysInLastMonth = [[NSCalendar currentCalendar] rangeOfUnit:NSCalendarUnitDay inUnit:NSCalendarUnitMonth forDate:date];

    returndaysInLastMonth.length;

}

+ (NSDate*)changeMonth:(int)monDate:(NSDate*)date{

    NSDateComponents *dateComponents = [[NSDateComponents alloc] init];

    dateComponents.month= m;

    NSDate *newDate = [[NSCalendar currentCalendar] dateByAddingComponents:dateComponents toDate:date options:0];

    returnnewDate;

}

+ (NSDate*)changeDay:(int)donDate:(NSDate*)date{

    NSDateComponents *dateComponents = [[NSDateComponents alloc] init];

    dateComponents.day= d;

    NSDate *newDate = [[NSCalendar currentCalendar] dateByAddingComponents:dateComponents toDate:date options:0];

    returnnewDate;

}

+(NSString*)stringFromSec:(uint32_t)sec{

    uint32_tm_sec = sec%60;

    uint32_tm_min = ((sec-m_sec)/60)%60;

    uint32_tm_hour= (sec-m_min*60-m_sec)/3600;

    NSString*s_sec = [selftextSec:m_sec];

    NSString*s_min = [selftextSec:m_min];

    NSString*s_hour= [selftextSec:m_hour];

    if(m_hour <=0) {

        return[NSStringstringWithFormat:@"%@:%@",s_min,s_sec];

    }else{

        return[NSStringstringWithFormat:@"%@:%@:%@",s_hour,s_min,s_sec];

    }

}

+(NSString*)textSec:(uint32_t)sec{

    if(sec<10) {

        return[NSStringstringWithFormat:@"0%d",sec];

    }else{

        return[NSStringstringWithFormat:@"%d",sec];

    }

}