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NSDate+Time.m
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NSDate+Time.m
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//
// NSDate+Time.m
// CUSUI
//
// Created by wangjun on 14-10-10.
// Copyright (c) 2014年 wangjun. All rights reserved.
//
#import "NSDate+Time.h"
static NSString *defaultCalendarIdentifier = nil;
static NSLock *defaultCalendarIdentifierLock = nil;
static dispatch_once_t defaultCalendarOnceToken;
static NSString *defaultCalendarKey = @"currentCalentar_key";
#define SECONDS_IN_MINUTE 60
#define MINUTES_IN_HOUR 60
#define DAYS_IN_WEEK 7
#define SECONDS_IN_HOUR (SECONDS_IN_MINUTE * MINUTES_IN_HOUR)
#define HOURS_IN_DAY 24
#define SECONDS_IN_DAY (HOURS_IN_DAY * SECONDS_IN_HOUR)
#define DEFAULT_CONVERSION_TYPE @"yyyy-MM-dd HH:mm:ss"
#define DEFAULT_CONVERSION_TYPE_UTC @"yyyy-MM-dd HH:mm:ss Z"
#define DEFAULT_CONVERSION_TYPE_ENGLISH @"MMM dd,yyyy"
@implementation NSDate (Time)
+ (NSCalendar *)currentCalendar
{
NSString *key = defaultCalendarKey;
NSString *calendarIdentifier = [self defauleCalendarIdentifier];
if (calendarIdentifier)
{
key = [key stringByAppendingString:calendarIdentifier];
}
NSMutableDictionary *mutableDictory = [[NSThread currentThread] threadDictionary];
NSCalendar *currentCalendar = [mutableDictory objectForKey:key];
if (currentCalendar == nil)
{
if (calendarIdentifier == nil)
{
currentCalendar = [NSCalendar currentCalendar];
}
else
{
currentCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:calendarIdentifier];
}
[mutableDictory setObject:currentCalendar forKey:key];
}
return currentCalendar;
}
+ (NSString *)defauleCalendarIdentifier
{
dispatch_once(&defaultCalendarOnceToken, ^{
defaultCalendarIdentifierLock = [[NSLock alloc] init];
});
NSString *string;
[defaultCalendarIdentifierLock lock];
string = defaultCalendarIdentifier;
[defaultCalendarIdentifierLock unlock];
return string;
}
+ (void)setDefaultCalendarIdentifier:(NSString *)identifier
{
dispatch_once(&defaultCalendarOnceToken, ^{
defaultCalendarIdentifierLock = [[NSLock alloc] init];
});
[defaultCalendarIdentifierLock lock];
defaultCalendarIdentifier = identifier;
[defaultCalendarIdentifierLock unlock];
}
#pragma mark - 获取各种日期
+ (NSDate *)dateNow
{
return [self dateWithDaysAfterNow:0];
}
+ (NSDate *)dateNowUTC
{
return [self queryUTCDateFormatAnyDate:[self dateNow]];
}
+ (NSDate *)dateTomorrow
{
return [self dateWithDaysAfterNow:1];
}
+ (NSDate *)dateTomorrowUTC
{
return [self queryUTCDateFormatAnyDate:[self dateTomorrow]];
}
+ (NSDate *)dateTomorrowWithDate:(NSDate *)date
{
return [self dateWithDaysAfterDate:date days:1];
}
+ (NSDate *)dateTomorrowUTCWithDate:(NSDate *)date
{
return [self queryUTCDateFormatAnyDate:[self dateTomorrowWithDate:date]];
}
+ (NSDate *)dateYesterday
{
return [self dateWithDaysBeforeNow:1];
}
+ (NSDate *)dateYesterdayUTC
{
return [self queryUTCDateFormatAnyDate:[self dateYesterday]];
}
+ (NSDate *)dateYesterdayWithDate:(NSDate *)date
{
return [self dateWithDaysBeforeDate:date days:1];
}
+ (NSDate *)dateYesterdayUTCWithDate:(NSDate *)date
{
return [self queryUTCDateFormatAnyDate:[self dateYesterdayWithDate:date]];
}
+ (NSDate *)dateWithDaysAfterNow:(NSInteger)days
{
return [NSDate dateWithTimeIntervalSinceReferenceDate:[self querySinceReferenceTime:(SECONDS_IN_DAY * days)]];
}
+ (NSDate *)dateWithDaysAfterNowUTC:(NSInteger)days
{
return [self queryUTCDateFormatAnyDate:[self dateWithDaysAfterNow:days]];
}
+ (NSDate *)dateWithDaysAfterDate:(NSDate *)date days:(NSInteger)days
{
return [NSDate dateWithTimeInterval:[self querytimeIntervalSinceDate:date
time:(SECONDS_IN_DAY * days)]
sinceDate:date];
}
+ (NSDate *)dateWithDaysAfterDateUTC:(NSDate *)date days:(NSInteger)days
{
return [self queryUTCDateFormatAnyDate:[self dateWithDaysAfterDate:date
days:days]];
}
+ (NSDate *)dateWithDaysBeforeNow:(NSInteger)days
{
return [NSDate dateWithTimeIntervalSinceReferenceDate:[self querySinceReferenceTime:-(SECONDS_IN_DAY * days)]];
}
+ (NSDate *)dateWithDaysBeforeNowUTC:(NSInteger)days
{
return [self queryUTCDateFormatAnyDate:[self dateWithDaysBeforeNow:days]];
}
+ (NSDate *)dateWithDaysBeforeDate:(NSDate *)date days:(NSInteger)days
{
return [NSDate dateWithTimeInterval:[self querytimeIntervalSinceDate:date
time:-(SECONDS_IN_DAY * days)]
sinceDate:date];
}
+ (NSDate *)dateWithDaysBeforeDateUTC:(NSDate *)date days:(NSInteger)days
{
return [self queryUTCDateFormatAnyDate:[self dateWithDaysBeforeDate:date
days:days]];
}
+ (NSDate *)dateWithHoursAfterNow:(NSInteger)hours
{
return [NSDate dateWithTimeIntervalSinceReferenceDate:[self querySinceReferenceTime:(SECONDS_IN_HOUR * hours)]];
}
+ (NSDate *)dateWithHoursAfterNowUTC:(NSInteger)hours
{
return [self queryUTCDateFormatAnyDate:[self dateWithHoursAfterNow:hours]];
}
+ (NSDate *)dateWithHoursAfterDate:(NSDate *)date hours:(NSInteger)hours
{
return [NSDate dateWithTimeInterval:[self querytimeIntervalSinceDate:date
time:(SECONDS_IN_HOUR * hours)]
sinceDate:date];
}
+ (NSDate *)dateWithHoursAfterDateUTC:(NSDate *)date hours:(NSInteger)hours
{
return [self queryUTCDateFormatAnyDate:[self dateWithHoursAfterDate:date
hours:hours]];
}
+ (NSDate *)dateWithHoursBeforeNow:(NSInteger)hours
{
return [NSDate dateWithTimeIntervalSinceReferenceDate:[self querySinceReferenceTime:-(SECONDS_IN_HOUR * hours)]];
}
+ (NSDate *)dateWithHoursBeforeNowUTC:(NSInteger)hours
{
return [self queryUTCDateFormatAnyDate:[self dateWithHoursBeforeNow:hours]];
}
+ (NSDate *)dateWithHoursBeforeDate:(NSDate *)date hours:(NSInteger)hours
{
return [NSDate dateWithTimeInterval:[self querytimeIntervalSinceDate:date
time:-(SECONDS_IN_HOUR * hours)]
sinceDate:date];
}
+ (NSDate *)dateWithHoursBeforeDateUTC:(NSDate *)date hours:(NSInteger)hours
{
return [self queryUTCDateFormatAnyDate:[self dateWithHoursBeforeDate:date
hours:hours]];
}
+ (NSDate *)dateWithMinutesAfterNow:(NSInteger)minutes
{
return [NSDate dateWithTimeIntervalSinceReferenceDate:[self querySinceReferenceTime:(SECONDS_IN_MINUTE * minutes)]];
}
+ (NSDate *)dateWithMinutesAfterNowUTC:(NSInteger)minutes
{
return [self queryUTCDateFormatAnyDate:[self dateWithMinutesAfterNow:minutes]];
}
+ (NSDate *)dateWithMinutesAfterDate:(NSDate *)date minutes:(NSInteger)minutes
{
return [NSDate dateWithTimeInterval:[self querytimeIntervalSinceDate:date
time:(SECONDS_IN_MINUTE * minutes)]
sinceDate:date];
}
+ (NSDate *)dateWithMinutesAfterDateUTC:(NSDate *)date minutes:(NSInteger)minutes
{
return [self queryUTCDateFormatAnyDate:[self dateWithMinutesAfterDate:date
minutes:minutes]];
}
+ (NSDate *)dateWithMinutesBeforeNow:(NSInteger)minutes
{
return [NSDate dateWithTimeIntervalSinceReferenceDate:[self querySinceReferenceTime:-(SECONDS_IN_MINUTE * minutes)]];
}
+ (NSDate *)dateWithMinutesBeforeNowUTC:(NSInteger)minutes
{
return [self queryUTCDateFormatAnyDate:[self dateWithMinutesBeforeNow:minutes]];
}
+ (NSDate *)dateWithMinutesBeforeDate:(NSDate *)date minutes:(NSInteger)minutes
{
return [NSDate dateWithTimeInterval:[self querytimeIntervalSinceDate:date
time:-(SECONDS_IN_MINUTE * minutes)]
sinceDate:date];
}
+ (NSDate *)dateWithMinutesBeforeDateUTC:(NSDate *)date minutes:(NSInteger)minutes
{
return [self queryUTCDateFormatAnyDate:[self dateWithMinutesBeforeDate:date
minutes:minutes]];
}
+ (NSTimeInterval)querytimeIntervalSinceDate:(NSDate *)date time:(NSInteger)seconds
{
NSTimeInterval timeInterval = [[[NSDate alloc] init] timeIntervalSinceDate:date] + (seconds);
return timeInterval;
}
+ (NSTimeInterval)querySinceReferenceTime:(NSInteger)seconds
{
NSTimeInterval timeInterval = [NSDate timeIntervalSinceReferenceDate] + (seconds);
return timeInterval;
}
+ (NSDate *)queryUTCDateFormatAnyDate:(NSDate *)date
{
// 设置时区
NSTimeZone *sourceTimeZone = [NSTimeZone timeZoneWithAbbreviation:@"UTC"];
// 设置转换后的目标时区
NSTimeZone *destinationTimeZone = [NSTimeZone localTimeZone];
// 获取源日期与世界标准时间的偏移量
NSInteger sourceGMTOffset = [sourceTimeZone secondsFromGMTForDate:date];
// 获取源日期与本地时区的偏移量
NSInteger destinationGMTOffset = [destinationTimeZone secondsFromGMTForDate:date];
// 获取两个偏移量的差值
NSTimeInterval timeInterval = destinationGMTOffset - sourceGMTOffset;
// 将时间差加到源日期上
NSDate *utcDate = [[NSDate alloc] initWithTimeInterval:timeInterval sinceDate:date];
// 返回
#if !__has_feature(objc_arc)
return [utcDate autorelease];
#else
return utcDate;
#endif
}
#pragma mark - NSDate Conversion NSString && NSString Conversion NSDate
+ (NSString *)stringWithNow
{
return [self stringWithDate:[NSDate date]];
}
+ (NSString *)stringWithDate:(NSDate *)date
{
return [self stringWithDate:date type:DEFAULT_CONVERSION_TYPE];
}
+ (NSString *)stringWithNow:(NSString *)type
{
return [self stringWithDate:[NSDate date] type:type];
}
+ (NSString *)stringWithDate:(NSDate *)date type:(NSString *)type
{
return [[self queryDateFormatter:type] stringFromDate:date];
}
+ (NSString *)stringWithNowEnglist
{
return [self stringWithEnglistDate:[NSDate date]];
}
+ (NSString *)stringWithEnglistDate:(NSDate *)date
{
return [[self queryDateFormatterEnglist:DEFAULT_CONVERSION_TYPE_ENGLISH] stringFromDate:date];
}
+ (NSString *)stringWithDateUTC:(NSDate *)date
{
return [self stringWithDateUTC:date type:DEFAULT_CONVERSION_TYPE_UTC];
}
+ (NSString *)stringWithDateUTC:(NSDate *)date type:(NSString *)type
{
return [[self queryDateFormatterUTC:type] stringFromDate:date];
}
+ (NSDateFormatter *)queryDateFormatter:(NSString *)type
{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:type];
#if !__has_feature(objc_arc)
return [dateFormatter autorelease];
#else
return dateFormatter;
#endif
}
+ (NSDateFormatter *)queryDateFormatterUTC:(NSString *)type
{
NSDateFormatter *dateFormatter = [self queryDateFormatter:type];
NSTimeZone *timeZone = [NSTimeZone timeZoneWithName:@"UTC"];
[dateFormatter setTimeZone:timeZone];
return dateFormatter;
}
+ (NSDateFormatter *)queryDateFormatterEnglist:(NSString *)type
{
NSDateFormatter *dateFormatter = [self queryDateFormatter:type];
dateFormatter.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];
return dateFormatter;
}
#pragma mark - 判断
+ (BOOL)isToday:(NSDate *)date
{
return [self isToday:[NSDate date] another:date];
}
+ (BOOL)isToday:(NSDate *)date another:(NSDate *)anotherDate
{
return [self isSameDay:date other:anotherDate];
}
+ (BOOL)isSameDay:(NSDate *)date other:(NSDate *)otherDate
{
NSCalendar *currentCalendar = [self currentCalendar];
NSCalendarUnit unitFlags = NSEraCalendarUnit |
NSYearCalendarUnit |
NSMonthCalendarUnit |
NSDayCalendarUnit;
NSDateComponents *componentsNow = [currentCalendar components:unitFlags fromDate:date];
NSDateComponents *componentsAnother = [currentCalendar components:unitFlags fromDate:otherDate];
return ((componentsNow.era == componentsAnother.era) &&
(componentsNow.year == componentsAnother.year) &&
(componentsNow.month == componentsAnother.month) &&
(componentsNow.day == componentsAnother.day));
}
+ (BOOL)isThisWeek:(NSDate *)date
{
return [self isSameWeek:[NSDate date] other:date];
}
+ (BOOL)isThisWeek:(NSDate *)date another:(NSDate *)anotherDate
{
return [self isSameWeek:date other:anotherDate];
}
+ (BOOL)isLastWeek:(NSDate *)date
{
return [self isLastWeek:[NSDate date] another:date];
}
+ (BOOL)isLastWeek:(NSDate *)date another:(NSDate *)anotherDate
{
NSDate *newDate = [self dateWithDaysBeforeDate:date days:DAYS_IN_WEEK];
return [self isSameWeek:newDate other:anotherDate];
}
+ (BOOL)isNextWeek:(NSDate *)date
{
return [self isNextWeek:[NSDate date] another:date];
}
+ (BOOL)isNextWeek:(NSDate *)date another:(NSDate *)anotherWeek
{
NSDate *newDate = [self dateWithDaysAfterDate:date days:DAYS_IN_WEEK];
return [self isSameWeek:newDate other:anotherWeek];
}
+ (BOOL)isSameWeek:(NSDate *)date other:(NSDate *)otherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSWeekCalendarUnit fromDate:date];
NSDateComponents *componentsAnother = [calendar components:NSWeekCalendarUnit fromDate:otherDate];
if (componentsNow.week != componentsAnother.week)
{
return NO;
}
return (fabs([self querytimeIntervalSinceDate:date time:0] - [self querytimeIntervalSinceDate:otherDate time:0]) < (SECONDS_IN_DAY * DAYS_IN_WEEK));
}
+ (BOOL)isThisMonth:(NSDate *)date
{
return [self isThisMonth:[NSDate date] another:date];
}
+ (BOOL)isThisMonth:(NSDate *)date another:(NSDate *)anotherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSYearCalendarUnit | NSMonthCalendarUnit fromDate:date];
NSDateComponents *componentsAnother = [calendar components:NSYearCalendarUnit | NSMonthCalendarUnit fromDate:anotherDate];
return ((componentsNow.year == componentsAnother.year) &&
(componentsNow.month == componentsAnother.month));
}
+ (BOOL)isLastMonth:(NSDate *)date
{
return [self isLastMonth:[NSDate date] another:date];
}
+ (BOOL)isLastMonth:(NSDate *)date another:(NSDate *)anotherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSYearCalendarUnit | NSMonthCalendarUnit fromDate:date];
NSDateComponents *componentsLast = [calendar components:NSYearCalendarUnit | NSMonthCalendarUnit fromDate:anotherDate];
componentsNow.month -= 1;
return ((componentsNow.year == componentsLast.year) &&
(componentsNow.month == componentsLast.month));
}
+ (BOOL)isNextMonth:(NSDate *)date
{
return [self isNextMonth:[NSDate date] another:date];
}
+ (BOOL)isNextMonth:(NSDate *)date another:(NSDate *)anotherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSYearCalendarUnit | NSMonthCalendarUnit fromDate:date];
NSDateComponents *componentsNext = [calendar components:NSYearCalendarUnit | NSMonthCalendarUnit fromDate:anotherDate];
componentsNow.month += 1;
return ((componentsNow.year == componentsNext.year) &&
(componentsNow.month == componentsNext.month));
}
+ (BOOL)isThisYear:(NSDate *)date
{
return [self isThisYear:[NSDate date] another:date];
}
+ (BOOL)isThisYear:(NSDate *)date another:(NSDate *)anotherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSYearCalendarUnit fromDate:date];
NSDateComponents *componentsAnother = [calendar components:NSYearCalendarUnit fromDate:anotherDate];
return (componentsNow.year == componentsAnother.year);
}
+ (BOOL)isLastYear:(NSDate *)date
{
return [self isLastYear:[NSDate date] another:date];
}
+ (BOOL)isLastYear:(NSDate *)date another:(NSDate *)anotherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSYearCalendarUnit fromDate:date];
NSDateComponents *componentsLast = [calendar components:NSYearCalendarUnit fromDate:anotherDate];
componentsNow.year -= 1;
return (componentsNow.year == componentsLast.year);
}
+ (BOOL)isNextYear:(NSDate *)date
{
return [self isNextYear:[NSDate date] another:date];
}
+ (BOOL)isNextYear:(NSDate *)date another:(NSDate *)anotherDate
{
NSCalendar *calendar = [self currentCalendar];
NSDateComponents *componentsNow = [calendar components:NSYearCalendarUnit fromDate:date];
NSDateComponents *componentsNext = [calendar components:NSYearCalendarUnit fromDate:anotherDate];
componentsNow.year += 1;
return (componentsNow.year == componentsNext.year);
}
+ (BOOL)isTypicallyWeekend
{
return [self isTypicallyWeekend:[NSDate date]];
}
+ (BOOL)isTypicallyWeekend:(NSDate *)date
{
NSCalendar *calendar = [self currentCalendar];
NSRange weekdayRange = [calendar maximumRangeOfUnit:NSWeekdayCalendarUnit];
NSDateComponents *components = [calendar components:NSWeekdayCalendarUnit fromDate:date];
NSInteger weekdayOfDate = [components weekday];
if (weekdayOfDate == weekdayRange.location || weekdayOfDate == weekdayRange.length)
{
return YES;
}
return NO;
}
+ (BOOL)isTypicallyWorkday
{
return [self isTypicallyWorkday:[NSDate date]];
}
+ (BOOL)isTypicallyWorkday:(NSDate *)date
{
return ![self isTypicallyWeekend:date];
}
#pragma mark - Year、Month、Day ...
+ (NSInteger)years
{
return [self yearsWithDate:[NSDate date]];
}
+ (NSInteger)yearsWithDate:(NSDate *)date
{
return [[[self currentCalendar] components:NSYearCalendarUnit fromDate:date] year];
}
+ (NSInteger)months
{
return [self monthsWithDate:[NSDate date]];
}
+ (NSInteger)monthsWithDate:(NSDate *)date
{
return [[[self currentCalendar] components:NSMonthCalendarUnit fromDate:date] month];
}
+ (NSString *)monthsInEnglish
{
switch ([self months])
{
case 1:
return @"January";
break;
case 2:
return @"February";
break;
case 3:
return @"March";
break;
case 4:
return @"April";
break;
case 5:
return @"May";
break;
case 6:
return @"June";
break;
case 7:
return @"July";
break;
case 8:
return @"August";
break;
case 9:
return @"September";
break;
case 10:
return @"October";
break;
case 11:
return @"November";
break;
case 12:
return @"December";
break;
default:
return @"December";
break;
}
}
+ (NSString *)monthsInEnglishWithDate:(NSDate *)date
{
switch ([self monthsWithDate:date])
{
case 1:
return @"January";
break;
case 2:
return @"February";
break;
case 3:
return @"March";
break;
case 4:
return @"April";
break;
case 5:
return @"May";
break;
case 6:
return @"June";
break;
case 7:
return @"July";
break;
case 8:
return @"August";
break;
case 9:
return @"September";
break;
case 10:
return @"October";
break;
case 11:
return @"November";
break;
case 12:
return @"December";
break;
default:
return @"December";
break;
}
}
+ (NSString *)monthsInEnglishShort
{
switch ([self months])
{
case 1:
return @"Jan";
break;
case 2:
return @"Feb";
break;
case 3:
return @"Mar";
break;
case 4:
return @"Apr";
break;
case 5:
return @"May";
break;
case 6:
return @"June";
break;
case 7:
return @"July";
break;
case 8:
return @"Aug";
break;
case 9:
return @"Sept";
break;
case 10:
return @"Oct";
break;
case 11:
return @"Nov";
break;
case 12:
return @"Dec";
break;
default:
return @"Dec";
break;
}
}
+ (NSString *)monthsInEnglishShortWithDate:(NSDate *)date
{
switch ([self monthsWithDate:date])
{
case 1:
return @"Jan";
break;
case 2:
return @"Feb";
break;
case 3:
return @"Mar";
break;
case 4:
return @"Apr";
break;
case 5:
return @"May";
break;
case 6:
return @"June";
break;
case 7:
return @"July";
break;
case 8:
return @"Aug";
break;
case 9:
return @"Sept";
break;
case 10:
return @"Oct";
break;
case 11:
return @"Nov";
break;
case 12:
return @"Dec";
break;
default:
return @"Dec";
break;
}
}
+ (NSInteger)days
{
return [self daysWithDate:[NSDate date]];
}
+ (NSInteger)daysWithDate:(NSDate *)date
{
return [[[self currentCalendar] components:NSDayCalendarUnit fromDate:date] day];
}
+ (NSInteger)hours
{
return [self hoursWithDate:[NSDate date]];
}
+ (NSInteger)hoursWithDate:(NSDate *)date
{
return [[[self currentCalendar] components:NSHourCalendarUnit fromDate:date] hour];
}
+ (NSInteger)minutes
{
return [self minutesWithDate:[NSDate date]];
}
+ (NSInteger)minutesWithDate:(NSDate *)date
{
return [[[self currentCalendar] components:NSMinuteCalendarUnit fromDate:date] minute];
}
+ (NSInteger)seconds
{
return [self secondsWithDate:[NSDate date]];
}
+ (NSInteger)secondsWithDate:(NSDate *)date
{
return [[[self currentCalendar] components:NSSecondCalendarUnit fromDate:date] second];
}
@end