// // NSDate+currentDate.m // RDSmartPlug // // Created by Rayson on 2020/5/28. // Copyright © 2020 RDIOT. All rights reserved. // #import "NSDate+currentDate.h" @implementation NSDate (currentDate) + (NSDate *)currentDate{ NSDate *date = [NSDate date];// NSDate默认相对的时区是GMT, 即: 格林威治标准时间 NSTimeZone *zone = [NSTimeZone systemTimeZone]; NSTimeInterval interval = [zone secondsFromGMTForDate:date]; NSDate *current = [date dateByAddingTimeInterval:interval]; return current; } // 时间戳—>字符串时间 + (NSString *)rds_timeStringFromTimestamp:(NSString *)timestamp{ //时间戳转时间的方法 NSDate *timeDate = [NSDate dateWithTimeIntervalSince1970:[timestamp integerValue]]; NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; //[dateFormatter setDateFormat:@"yyyy年MM月dd日 HH:mm"]; [dateFormatter setDateFormat:@"HH:mm:ss"]; NSString *strTime = [dateFormatter stringFromDate:timeDate]; return strTime; } + (NSString *)rds_timeStringFromNSDate:(NSDate *)date{ if (date == nil) { return @"——"; } NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; if ([NSDate is12HourFormat]) { [dateFormatter setDateFormat:@"hh:mm a"]; }else{ [dateFormatter setDateFormat:@"HH:mm"]; } NSString *strTime = [dateFormatter stringFromDate:date]; return strTime; } + (NSString *)rds_getDayString{ NSArray * arrWeek=[NSArray arrayWithObjects:@"星期日",@"星期一",@"星期二",@"星期三",@"星期四",@"星期五",@"星期六", nil]; NSDate *date = [NSDate date]; NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; NSDateComponents *comps = [[NSDateComponents alloc] init]; NSInteger unitFlags = NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitWeekday; comps = [calendar components:unitFlags fromDate:date]; int week = (int)[comps weekday]; int month = (int)[comps month]; int day = (int)[comps day]; NSString *w = [arrWeek objectAtIndex:week-1]; NSString *time = [NSString stringWithFormat:@"%d.%d %@", month,day,w]; return time; } + (NSDate *)rds_dateFromTimeString:(NSString *)timeString{ timeString = [NSString stringWithFormat:@"%@:00",timeString]; NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"HH:mm:ss"]; [dateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]]; NSDate *date = [dateFormatter dateFromString:timeString]; return date; } + (NSDate *)rds_dateFromTimestamp:(NSString *)timestamp{ //时间戳转时间的方法 NSDate *timeDate = [NSDate dateWithTimeIntervalSince1970:[timestamp integerValue]]; return timeDate; } + (BOOL)isSameDay:(NSDate *)date1 date2:(NSDate *)date2{ NSCalendar *calendar = [NSCalendar currentCalendar]; calendar.timeZone = [NSTimeZone timeZoneWithName:@"UTC"]; int unit = NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear ; //1. NSDateComponents *date1Cmps = [calendar components:unit fromDate:date1]; //2. NSDateComponents *date2Cmps = [calendar components:unit fromDate:date2]; BOOL resule = (date1Cmps.year == date2Cmps.year) && (date1Cmps.month == date2Cmps.month) && (date1Cmps.day == date2Cmps.day); return resule; } + (BOOL)isSameMinute:(NSDate *)date1 date2:(NSDate *)date2{ NSCalendar *calendar = [NSCalendar currentCalendar]; int unit = NSCalendarUnitHour | NSCalendarUnitMinute; calendar.timeZone = [NSTimeZone timeZoneWithName:@"UTC"]; if (![NSDate isSameDay:date1 date2:date2]) { return NO; } //1. NSDateComponents *date1Cmps = [calendar components:unit fromDate:date1]; //2. NSDateComponents *date2Cmps = [calendar components:unit fromDate:date2]; return (date1Cmps.hour == date2Cmps.hour) && (date1Cmps.minute == date2Cmps.minute); } + (BOOL)isDateInToday:(NSDate *)date{ if(!date) return NO; NSCalendar *calendar = [NSCalendar currentCalendar]; calendar.timeZone = [NSTimeZone timeZoneWithName:@"UTC"]; BOOL today = [calendar isDateInToday:date]; return today; } + (NSString *)rds_getTimestamp:(NSDate *)date{ int second = [date timeIntervalSince1970]; NSString *timestamp = [NSString stringWithFormat:@"%d", second]; return timestamp; } + (NSString *)rds_getZeroTime:(NSDate *)date{ NSCalendar *greCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"]; [greCalendar setTimeZone: timeZone]; NSDateComponents *dateComponents = [greCalendar components:NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:date]; // 定义一个NSDateComponents对象，设置一个时间点 NSDateComponents *dateComponentsForDate = [[NSDateComponents alloc] init]; [dateComponentsForDate setDay:dateComponents.day]; [dateComponentsForDate setMonth:dateComponents.month]; [dateComponentsForDate setYear:dateComponents.year]; [dateComponentsForDate setHour:0]; [dateComponentsForDate setMinute:0]; [dateComponentsForDate setSecond:0]; NSDate *resultDate = [greCalendar dateFromComponents:dateComponentsForDate]; int second = [resultDate timeIntervalSince1970]; NSString *timestamp = [NSString stringWithFormat:@"%d", second]; return timestamp; } + (NSString *)rds_getEndTime:(NSDate *)date{ NSCalendar *greCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian]; NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"]; [greCalendar setTimeZone: timeZone]; NSDateComponents *dateComponents = [greCalendar components:NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:date]; // 定义一个NSDateComponents对象，设置一个时间点 NSDateComponents *dateComponentsForDate = [[NSDateComponents alloc] init]; [dateComponentsForDate setDay:dateComponents.day]; [dateComponentsForDate setMonth:dateComponents.month]; [dateComponentsForDate setYear:dateComponents.year]; [dateComponentsForDate setHour:23]; [dateComponentsForDate setMinute:59]; [dateComponentsForDate setSecond:59]; NSDate *resultDate = [greCalendar dateFromComponents:dateComponentsForDate]; int second = [resultDate timeIntervalSince1970]; NSString *timestamp = [NSString stringWithFormat:@"%d", second]; return timestamp; } + (NSDate *)rds_firstDayOfMonth:(NSDate *)date{ NSCalendar *calendar = [NSCalendar currentCalendar]; NSDateComponents *componentsCurrentDate =[calendar components:NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay fromDate:date]; NSDateComponents *componentsNewDate = [NSDateComponents new]; componentsNewDate.year = componentsCurrentDate.year; componentsNewDate.month = componentsCurrentDate.month; componentsNewDate.day = 1; return [calendar dateFromComponents:componentsNewDate]; } + (NSDate *)rds_lastDayOfMonth:(NSDate *)date{ NSInteger lastDay = [NSDate countThisMonthDays:date]; NSCalendar *calendar = [NSCalendar currentCalendar]; NSDateComponents *componentsCurrentDate =[calendar components:NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay fromDate:date]; NSDateComponents *componentsNewDate = [NSDateComponents new]; componentsNewDate.year = componentsCurrentDate.year; componentsNewDate.month = componentsCurrentDate.month; componentsNewDate.day = lastDay; return [calendar dateFromComponents:componentsNewDate]; } + (NSInteger)countThisMonthDays:(NSDate *)date{ NSCalendar * calendar = [NSCalendar currentCalendar]; if (isEmptyString(date)) { date = [NSDate date]; } NSRange range = [calendar rangeOfUnit:NSCalendarUnitDay inUnit:NSCalendarUnitMonth forDate:date]; return range.length; } + (BOOL)is12HourFormat{ NSString *formatStringForHours = [NSDateFormatter dateFormatFromTemplate:@"j" options:0 locale:[NSLocale currentLocale]]; NSRange containsA =[formatStringForHours rangeOfString:@"a"]; BOOL hasAMPM =containsA.location != NSNotFound; return hasAMPM; } - (NSString *)rds_getMinute{ NSCalendar *calendar = [NSCalendar currentCalendar]; NSDateComponents *components = [calendar components:(NSCalendarUnitHour | NSCalendarUnitMinute) fromDate:self]; NSInteger hour = [components hour]; NSInteger minute = [components minute]; NSString *min = [NSString stringWithFormat:@"%ld", hour*60 + minute]; return min; } + (NSString *)rds_getTimeStringFromMinute:(NSString *)min{ int h = min.intValue/60; int m = min.intValue%60; NSString *time = [NSString stringWithFormat:@"%02d:%02d", h, m]; return time; } @end