Nsdate的各种常用操作
//
// NVDate.h
//
// Created by Noval Agung Prayogo on 2/5/14.
// Copyright (c) 2014 Noval Agung Prayogo. All rights reserved.
//
#import <Foundation/Foundation.h>
typedef NS_OPTIONS(NSUInteger, NVDayUnit) {
NVDayUnitSunday = 1,
NVDayUnitMonday = 2,
NVDayUnitTuesday = 3,
NVDayUnitWednesday = 4,
NVDayUnitThursday = 5,
NVDayUnitFriday = 6,
NVDayUnitSaturday = 7
};
typedef NS_OPTIONS(NSUInteger, NVMonthUnit) {
NVMonthUnitJanuary = 1,
NVMonthUnitFebruary = 2,
NVMonthUnitMarch = 3,
NVMonthUnitApril = 4,
NVMonthUnitMay = 5,
NVMonthUnitJune = 6,
NVMonthUnitJuly = 7,
NVMonthUnitAugust = 8,
NVMonthUnitSeptember = 9,
NVMonthUnitOctober = 10,
NVMonthUnitNovember = 11,
NVMonthUnitDecember = 12,
};
@interface NVDate : NSObject
- (id)initUsingToday;
- (id)initUsingDate:(NSDate *)date;
- (id)initUsingYear:(NSInteger)year month:(NSInteger)month day:(NSInteger)day;
- (id)initUsingYear:(NSInteger)year month:(NSInteger)month day:(NSInteger)day hour:(NSInteger)hour minute:(NSInteger)minute second:(NSInteger)second;
- (id)initUsingString:(NSString *)stringDate;
- (id)initUsingString:(NSString *)stringDate withFormat:(NSString *)dateFormat;
- (id)initUsingSeconds:(NSInteger)seconds;
- (NSDate *)date;
- (NSString *)stringValue;
- (NSString *)stringValueWithFormat:(NSString *)dateFormat;
- (void)zeroTime;
- (instancetype)previousDay;
- (instancetype)previousDays:(NSInteger)days;
- (instancetype)nextDay;
- (instancetype)nextDays:(NSInteger)days;
- (instancetype)previousWeek;
- (instancetype)previousWeeks:(NSInteger)weeks;
- (instancetype)nextWeek;
- (instancetype)nextWeeks:(NSInteger)weeks;
- (instancetype)previousMonth;
- (instancetype)previousMonths:(NSInteger)months;
- (instancetype)nextMonth;
- (instancetype)nextMonths:(NSInteger)months;
- (instancetype)previousYear;
- (instancetype)previousYears:(NSInteger)years;
- (instancetype)nextYear;
- (instancetype)nextYears:(NSInteger)years;
- (instancetype)firstDayOfMonth;
- (instancetype)lastDayOfMonth;
- (instancetype)firstMonthOfYear;
- (instancetype)lastMonthOfYear;
- (instancetype)previousDayOfDayName:(NVDayUnit)dayUnit;
- (instancetype)nextDayOfDayName:(NVDayUnit)dayUnit;
- (BOOL)isCurrentDayName:(NVDayUnit)dayUnit;
- (BOOL)isCurrentMonthName:(NVMonthUnit)monthUnit;
@property NSString *dateFormatUsingString;
@property NSDateFormatterStyle dateFormatUsingStyle;
@property NSDateFormatterStyle timeFormatUsingStyle;
@property NSInteger year;
@property NSInteger month;
@property (readonly) NSInteger week;
@property NSInteger day;
@property NSInteger hour;
@property NSInteger minute;
@property NSInteger second;
@end
//
// NVDate.m
//
// Created by Noval Agung Prayogo on 2/5/14.
// Copyright (c) 2014 Noval Agung Prayogo. All rights reserved.
//
#import "NVDate.h"
@implementation NVDate {
NSDateFormatter *_dateFormatter;
NSCalendar *_calendar;
NSDate *_date;
NSCalendarUnit _dateTimeCalendarUnit;
}
- (id)init {
if (self = [super init]) {
_dateFormatter = [[NSDateFormatter alloc] init];
_dateFormatter.dateStyle = NSDateFormatterFullStyle;
_dateFormatter.timeStyle = NSDateFormatterFullStyle;
_calendar = [NSCalendar currentCalendar];
_date = [[NSDate alloc] init];
_dateTimeCalendarUnit = (NSYearCalendarUnit | NSMonthCalendarUnit | NSWeekCalendarUnit | NSWeekdayCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit);
}
returnself;
}
- (id)initUsingToday {
if (self = [self init]) {
_date = [NSDate date];
}
returnself;
}
- (id)initUsingString:(NSString *)stringDate {
if (self = [self init]) {
_date = [_dateFormatter dateFromString:stringDate];
}
returnself;
}
- (id)initUsingString:(NSString *)stringDate withFormat:(NSString *)dateFormat {
if (self = [self init]) {
_dateFormatter.dateFormat = dateFormat;
_date = [_dateFormatter dateFromString:stringDate];
}
returnself;
}
- (id)initUsingYear:(NSInteger)year month:(NSInteger)month day:(NSInteger)day {
if (self = [self init]) {
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
dateComponents.year = year;
dateComponents.month = month;
dateComponents.day = day;
_date = [_calendar dateFromComponents:dateComponents];
}
returnself;
}
- (id)initUsingYear:(NSInteger)year month:(NSInteger)month day:(NSInteger)day hour:(NSInteger)hour minute:(NSInteger)minute second:(NSInteger)second {
if (self = [self init]) {
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
dateComponents.year = year;
dateComponents.month = month;
dateComponents.day = day;
dateComponents.hour = hour;
dateComponents.minute = minute;
dateComponents.second = second;
_date = [_calendar dateFromComponents:dateComponents];
}
returnself;
}
- (id)initUsingDate:(NSDate *)date {
if (self = [self init]) {
_date = date;
}
returnself;
}
- (id)initUsingSeconds:(NSInteger)seconds {
if (self = [self init]) {
_date = [NSDate dateWithTimeIntervalSinceReferenceDate:seconds];
}
returnself;
}
- (NSDate *)date {
return _date;
}
- (NSString *)stringValue {
return [_dateFormatter stringFromDate:_date];
}
- (NSString *)stringValueWithFormat:(NSString *)dateFormat {
NSDateFormatter *localDateFormatter = [_dateFormatter copy];
localDateFormatter.dateFormat = dateFormat;
return [localDateFormatter stringFromDate:_date];
}
- (void)zeroTime {
NSDateComponents *dateComponents = [_calendar components:(NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit) fromDate:_date];
dateComponents.hour = 0;
dateComponents.minute = 0;
dateComponents.second = 0;
_date = [_calendar dateFromComponents:dateComponents];
}
- (void)setDateFormatUsingString:(NSString *)dateFormatUsingString {
_dateFormatter.dateFormat = dateFormatUsingString;
}
- (NSString *)dateFormatUsingString {
return _dateFormatter.dateFormat;
}
- (void)setDateFormatUsingStyle:(NSDateFormatterStyle)dateFormatUsingStyle {
_dateFormatter.dateStyle = dateFormatUsingStyle;
}
- (NSDateFormatterStyle)dateFormatUsingStyle {
return _dateFormatter.dateStyle;
}
- (void)setTimeFormatUsingStyle:(NSDateFormatterStyle)timeFormatUsingStyle {
_dateFormatter.timeStyle = timeFormatUsingStyle;
}
- (NSDateFormatterStyle)timeFormatUsingStyle {
return _dateFormatter.timeStyle;
}
- (instancetype)daysCalculate:(NSInteger)days isForward:(BOOL)isForward {
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
dateComponents.day = days * (isForward ? 1 : -1);
_date = [_calendar dateByAddingComponents:dateComponents toDate:_date options:0];
returnself;
}
- (instancetype)previousDay {
return [self previousDays:1];
}
- (instancetype)previousDays:(NSInteger)days {
return [self daysCalculate:days isForward:NO];
}
- (instancetype)nextDay {
return [self nextDays:1];
}
- (instancetype)nextDays:(NSInteger)days {
return [self daysCalculate:days isForward:YES];
}
- (instancetype)weeksCalculate:(NSInteger)weeks isForward:(BOOL)isForward {
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
dateComponents.day = (7 * weeks) * (isForward ? 1 : -1);
_date = [_calendar dateByAddingComponents:dateComponents toDate:_date options:0];
returnself;
}
- (instancetype)previousWeek {
return [self previousWeeks:1];
}
- (instancetype)previousWeeks:(NSInteger)weeks {
return [self weeksCalculate:weeks isForward:NO];
}
- (instancetype)nextWeek {
return [self nextWeeks:1];
}
- (instancetype)nextWeeks:(NSInteger)weeks {
return [self weeksCalculate:weeks isForward:YES];
}
- (instancetype)monthsCalculate:(NSInteger)months isForward:(BOOL)isForward {
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
dateComponents.month = months * (isForward ? 1 : -1);
_date = [_calendar dateByAddingComponents:dateComponents toDate:_date options:0];
returnself;
}
- (instancetype)previousMonth {
return [self previousMonths:1];
}
- (instancetype)previousMonths:(NSInteger)months {
return [self monthsCalculate:months isForward:NO];
}
- (instancetype)nextMonth {
return [self nextMonths:1];
}
- (instancetype)nextMonths:(NSInteger)months {
return [self monthsCalculate:months isForward:YES];
}
- (instancetype)yearsCalculate:(NSInteger)years isForward:(BOOL)isForward {
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
dateComponents.year = years * (isForward ? 1 : -1);
_date = [_calendar dateByAddingComponents:dateComponents toDate:_date options:0];
returnself;
}
- (instancetype)previousYear {
return [self previousYears:1];
}
- (instancetype)previousYears:(NSInteger)years {
return [self yearsCalculate:years isForward:NO];
}
- (instancetype)nextYear {
return [self nextYears:1];
}
- (instancetype)nextYears:(NSInteger)years {
return [self yearsCalculate:years isForward:YES];
}
- (instancetype)firstDayOfMonth {
NSDateComponents *dateComponents = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
dateComponents.day = 1;
_date = [_calendar dateFromComponents:dateComponents];
returnself;
}
- (instancetype)lastDayOfMonth {
NSDateComponents *dateComponents;
NSDate *date;
dateComponents = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
dateComponents.day = 1;
date = [_calendar dateFromComponents:dateComponents];
dateComponents = [[NSDateComponents alloc] init];
dateComponents.month = 1;
date = [_calendar dateByAddingComponents:dateComponents toDate:date options:0];
dateComponents = [[NSDateComponents alloc] init];
dateComponents.day = -1;
_date = [_calendar dateByAddingComponents:dateComponents toDate:date options:0];
returnself;
}
- (instancetype)firstMonthOfYear {
NSDateComponents *dateComponents = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
dateComponents.month = NVMonthUnitJanuary;
_date = [_calendar dateFromComponents:dateComponents];
returnself;
}
- (instancetype)lastMonthOfYear {
NSDateComponents *dateComponents = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
dateComponents.month = NVMonthUnitDecember;
_date = [_calendar dateFromComponents:dateComponents];
returnself;
}
- (instancetype)previousDayOfDayName:(NVDayUnit)dayUnit {
int currentWeekDay = [_calendar components:_dateTimeCalendarUnit fromDate:_date].weekday;
if (currentWeekDay == dayUnit)
return [self previousWeek];
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
if (currentWeekDay > dayUnit)
dateComponents.day = -(currentWeekDay - dayUnit);
else
dateComponents.day = -currentWeekDay - (7 - dayUnit);
_date = [_calendar dateByAddingComponents:dateComponents toDate:_date options:0];
returnself;
}
- (instancetype)nextDayOfDayName:(NVDayUnit)dayUnit {
int currentWeekDay = [_calendar components:_dateTimeCalendarUnit fromDate:_date].weekday;
if (currentWeekDay == dayUnit)
return [self nextWeek];
NSDateComponents *dateComponents = [[NSDateComponents alloc] init];
if (currentWeekDay < dayUnit)
dateComponents.day = dayUnit - currentWeekDay;
else
dateComponents.day = -currentWeekDay + dayUnit;
_date = [_calendar dateByAddingComponents:dateComponents toDate:_date options:0];
returnself;
}
- (BOOL)isCurrentDayName:(NVDayUnit)dayUnit {
return ([_calendar components:_dateTimeCalendarUnit fromDate:_date].weekday == dayUnit);
}
- (BOOL)isCurrentMonthName:(NVMonthUnit)monthUnit {
return ([_calendar components:_dateTimeCalendarUnit fromDate:_date].month == monthUnit);
}
- (NSInteger)year {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].year;
}
- (void)setYear:(NSInteger)year {
NSDateComponents *components = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
components.year = year;
_date = [_calendar dateFromComponents:components];
}
- (NSInteger)month {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].month;
}
- (void)setMonth:(NSInteger)month {
NSDateComponents *components = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
components.month = month;
_date = [_calendar dateFromComponents:components];
}
- (NSInteger)week {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].week;
}
- (NSInteger)day {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].day;
}
- (void)setDay:(NSInteger)day {
NSDateComponents *components = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
components.day = day;
_date = [_calendar dateFromComponents:components];
}
- (NSInteger)hour {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].hour;
}
- (void)setHour:(NSInteger)hour {
NSDateComponents *components = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
components.hour = hour;
_date = [_calendar dateFromComponents:components];
}
- (NSInteger)minute {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].minute;
}
- (void)setMinute:(NSInteger)minute {
NSDateComponents *components = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
components.minute = minute;
_date = [_calendar dateFromComponents:components];
}
- (NSInteger)second {
return [_calendar components:_dateTimeCalendarUnit fromDate:_date].second;
}
- (void)setSecond:(NSInteger)second {
NSDateComponents *components = [_calendar components:_dateTimeCalendarUnit fromDate:_date];
components.second = second;
_date = [_calendar dateFromComponents:components];
}
@end
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