项目中用到了许多需要处理时间的地方，专门写了一个类来进行处理。多年之后当我再次看到这个东西时希望我可以微笑面对。
首先是.h文件
#import <Foundation/Foundation.h>
#import "ALUserDetailAccount.h"
#import "ALLMFTiXianListModel.h"
@interface LMFAnalysisTime : NSObject
#pragma mark --将时间转换成星期
+ (NSString *)changeTimeStringToWeekWith:(NSString *)time;
#pragma mark --将时间转换成时分
+ (NSString *)changeTimeStringToHMWith:(NSString *)time;
#pragma mark --根据日期判断是星期几
+ (NSString *)weekdayStringFromDate:(NSString *)time;
#pragma mark --判断给定日期的下一天
+ (NSString *)nextDayTimeStringWith:(NSString *)time;
#pragma mark --判断是不是一周内
+ (BOOL)ifDateInAweekToNow:(NSString *)time;
#pragma mark --判断是不是从当前时间开始的一周内，今天不行
+ (BOOL)ifDateInAweekFromTomorrow:(NSString *)time;
#pragma mark --判断日期是否是从今天开始今天或今天以后的日期
+ (BOOL)ifDateIsAfterToday:(NSString *)time containToday:(BOOL)flag;
#pragma mark --判断是第几月
+ (NSString *)monthStringWith:(NSString *)time;
#pragma mark --返回某一种状态下某个时间段的数据
+ (NSArray *)dataWithState:(NSString *)state andTime:(NSString *)time;
#pragma mark --判断刷新请求的数据是否已经存在了
+ (BOOL)ifDateExistInArray:(NSArray *)array andTimeString:(NSString *)time;
#pragma mark --判断一维数组中数据是否已经存在
+ (BOOL)ifDateExistInOneArray:(NSArray *)array andTimeString:(NSString *)time;
#pragma mark --判断日期是否是今天或者昨天
+ (BOOL)iFDateIsTodayOrYesterdayWith:(NSString *)time;
#pragma mark --判断日期是否是今天
+ (BOOL)ifDateIsToday:(NSString *)time;
#pragma mark --计算年龄
+ (NSString *)changeBirthdayStringToAge:(NSString *)time;
#pragma mark --判断往期数据是否存在了
+ (BOOL)ifExerciseDataInArray:(NSArray *)array andMid:(NSString *)mid;
+ (BOOL)ifExercisePhotoIsExistInArray:(NSArray *)array andExerciseDate:(NSString *)date;
+ (BOOL)ifTogetherExercisePhotoIsExistInArray:(NSArray *)array andExerciseDate:(NSString *)date;
+ (BOOL)ifKnowledgeHasRead:(NSString *)mid;
#pragma mark --将设置的时间转化为闹钟的秒数
+ (NSArray *)changeTimeToSeconds:(NSArray *)timeArray;
#pragma mark --判断银行卡是否重复了
+ (BOOL)ifCardHasExist:(NSArray *)array and:(ALLMFTiXianListModel *)model;
#pragma mark --判断日期是当天的第几天,当天为第一天
+ (NSInteger)indexOfDateFromToday:(NSString *)time;
#pragma mark --将日期转化为星座
+ (NSString *)changeDateToConstellation:(NSString *)time;
#pragma mark --将日期转化为月日
+ (NSString *)changeDateToMonthAndDay:(NSString *)time;
@end
下面是.m文件
#import "LMFAnalysisTime.h"
#import "YRDateFormater.h"
#import "ALExerciseAllCellModel.h"
#import "ALLMFExerciseTogetherPhotosModel.h"
@class LMFAnalysisTime;
@implementation LMFAnalysisTime
#pragma mark --将时间转换成星期
+ (NSString *)changeTimeStringToWeekWith:(NSString *)time
{
NSString *week;
YRDateFormater *endt = [[YRDateFormater alloc] init];
NSString *nowTime = [endt dateToStringYMD:[NSDate date]];
//第一步，判断是不是同一天2016-03-20 2016-03-21
NSString *temp = [time substringToIndex:10];
if ([temp isEqualToString:nowTime])
{
week = @"今天";
return week;
}
else
{
NSString *tomorrow = [LMFAnalysisTime nextDayTimeStringWith:time];
if ([[tomorrow substringToIndex:10] isEqualToString:nowTime])
{
week = @"昨天";
}
else
{
week = [LMFAnalysisTime weekdayStringFromDate:time];
}
}
return week;
}
#pragma mark --将时间转换成时分
+ (NSString *)changeTimeStringToHMWith:(NSString *)time
{
return [time substringWithRange:NSMakeRange(11, 5)];
/*
NSString *monthAndDay;
YRDateFormater *endt = [[YRDateFormater alloc] init];
NSString *nowTime = [endt dateToStringYMD:[NSDate date]];
//第一步，判断是不是同一天2016-03-20 00:00:00 2016-03-21
NSString *temp = [time substringToIndex:10];
if ([temp isEqualToString:nowTime])
{
monthAndDay = [time substringWithRange:NSMakeRange(11, 5)];
return monthAndDay;
}
else
{
NSString *tomorrow = [LMFAnalysisTime nextDayTimeStringWith:time];
if ([tomorrow isEqualToString:nowTime])
{
//如果是昨天
monthAndDay = [time substringWithRange:NSMakeRange(11, 5)];
}
else
{
//不是昨天
monthAndDay = [time substringWithRange:NSMakeRange(5, 5)];
}
}
return monthAndDay;
*/
}
+ (NSString *)nextDayTimeStringWith:(NSString *)time
{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *inputDate = [formatter dateFromString:time];
NSDate *tomorrow = [NSDate dateWithTimeInterval:60 * 60 * 24 sinceDate:inputDate];
NSString *tomorrowTime = [formatter stringFromDate:tomorrow];
return tomorrowTime;
}
+ (NSString*)weekdayStringFromDate:(NSString *)time {
//判断是否是今天或者昨天
if ([LMFAnalysisTime iFDateIsTodayOrYesterdayWith:time])
{
NSArray *weekdays = [NSArray arrayWithObjects: [NSNull null], @"周日", @"周一", @"周二", @"周三", @"周四", @"周五", @"周六", nil];
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"];
[calendar setTimeZone: timeZone];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *inputDate = [formatter dateFromString:time];
NSCalendarUnit calendarUnit = NSWeekdayCalendarUnit;
NSDateComponents *theComponents = [calendar components:calendarUnit fromDate:inputDate];
return [weekdays objectAtIndex:theComponents.weekday];
}
else
{
return [time substringWithRange:NSMakeRange(5, 5)];
}
}
+ (BOOL)ifDateInAweekToNow:(NSString *)time
{
//获取当前时间YYYY-MM-dd
YRDateFormater *formatter = [[YRDateFormater alloc] init];
NSString *nowTime = [formatter dateToStringYMD:[NSDate date]];
for (int i=0; i<7; i++)
{
//通过判断从给定时间的第几天是不是今天来判断一周以内
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *inputDate = [formatter dateFromString:time];
NSDate *tomorrow = [NSDate dateWithTimeInterval:i * 60 * 60 * 24 sinceDate:inputDate];
NSString *tomorrowTime = [formatter stringFromDate:tomorrow];
NSString *temp = [tomorrowTime substringToIndex:10];
// NSLog(@"%@-------%@----", temp, time);
if ([temp isEqualToString:nowTime])
{
return YES;
}
}
return NO;
}
+ (BOOL)ifDateInAweekFromTomorrow:(NSString *)time
{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *tomorrow = [formatter stringFromDate:[NSDate dateWithTimeInterval:60*60*24 sinceDate:[NSDate date]]];
for (int i=0; i<6; i++)
{
NSDateFormatter *formatter1 = [[NSDateFormatter alloc] init];
[formatter1 setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *inputDate = [formatter dateFromString:tomorrow];
NSDate *tomorrow1 = [NSDate dateWithTimeInterval:i * 60 * 60 * 24 sinceDate:inputDate];
NSString *tomorrowTime1 = [formatter stringFromDate:tomorrow1];
NSString *temp = [tomorrowTime1 substringToIndex:10];
NSLog(@"----%@-------%@-----", time, temp);
if ([temp isEqualToString:time])
{
return YES;
}
}
return NO;
}
#pragma mark --判断日期是否是从今天开始今天或今天以后的日期
+ (BOOL)ifDateIsAfterToday:(NSString *)time containToday:(BOOL)flag
{
/*today YYYY:mm:dd
time YYYY:mm:dd HH:mm:ss
*/
YRDateFormater *formatter = [[YRDateFormater alloc] init];
NSString *todayDate = [formatter dateToStringYMD:[NSDate date]];
// NSLog(@"the date of today is : %@", todayDate);
NSInteger nowY = [[todayDate substringToIndex:4] integerValue];
NSInteger nowM = [[todayDate substringWithRange:NSMakeRange(5, 2)] integerValue];
NSInteger nowD = [[todayDate substringWithRange:NSMakeRange(8, 2)] integerValue];
NSInteger timeY = [[time substringToIndex:4] integerValue];
NSInteger timeM = [[time substringWithRange:NSMakeRange(5, 2)] integerValue];
NSInteger timeD = [[time substringWithRange:NSMakeRange(8, 2)] integerValue];
// NSLog(@"year:%li month:%li day:%li", nowY, nowM, nowD);
// NSLog(@"year:%li month:%li day:%li", timeY, timeM, timeD);
if (timeY < nowY)
{
return NO;
}
else
{
if (timeY == nowY)
{
if (timeM < nowM)
{
return NO;
}
else
{
if (timeM == nowM)
{
if (flag)
{
if (timeD < nowD)
{
return NO;
}
return YES;
}
else
{
if (timeD <= nowD)
{
return NO;
}
return YES;
}
}
else
{
return YES;
}
}
}
else
return YES;
}
}
+ (NSString *)monthStringWith:(NSString *)time
{
NSString *month;
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *nowTime = [formatter stringFromDate:[NSDate date]];
if ([[time substringToIndex:4] isEqualToString:[nowTime substringToIndex:4]])
{
if ([[time substringWithRange:NSMakeRange(5, 2)] isEqualToString:[nowTime substringWithRange:NSMakeRange(5, 2)]])
{
month = @"本月";
}
else
{
month = [NSString stringWithFormat:@"%@月", [time substringWithRange:NSMakeRange(5, 2)]];
}
}
else
{
month = @"更早";
}
return month;
}
+ (NSArray *)dataWithState:(NSString *)state andTime:(NSString *)time
{
NSMutableArray *dataArray = [NSMutableArray array];
return dataArray;
}
+ (BOOL)ifDateExistInArray:(NSArray *)array andTimeString:(NSString *)time
{
BOOL flag = NO;
//二维
for (NSArray *smallArray in array)
{
if ([smallArray isKindOfClass:[NSArray class]])
{
for (ALUserDetailAccount *model in smallArray)
{
if ([[model mid] isEqualToString:time])
{
return YES;
}
}
}
}
return flag;
}
+ (BOOL)ifDateExistInOneArray:(NSArray *)array andTimeString:(NSString *)time
{
for (ALUserDetailAccount *model in array)
{
if ([[model mid] isEqualToString:time])
{
return YES;
}
}
return NO;
}
+ (BOOL)iFDateIsTodayOrYesterdayWith:(NSString *)time
{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *nowTime = [formatter stringFromDate:[NSDate date]];
if ([[time substringToIndex:10] isEqualToString:[nowTime substringToIndex:10]])
{
return YES;
}
else
{
//是否是昨天
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *inputDate = [formatter dateFromString:time];
NSDate *tomorrow = [NSDate dateWithTimeInterval:-1 * 60 * 60 * 24 sinceDate:inputDate];
NSString *tomorrowTime = [formatter stringFromDate:tomorrow];
NSString *temp = [tomorrowTime substringToIndex:10];
if ([temp isEqualToString:[nowTime substringToIndex:10]])
{
return YES;
}
else
{
return NO;
}
}
}
+ (BOOL)ifDateIsToday:(NSString *)time
{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *nowTime = [formatter stringFromDate:[NSDate date]];
if ([[time substringToIndex:10] isEqualToString:[nowTime substringToIndex:10]])
{
return YES;
}
return NO;
}
+ (NSString *)changeBirthdayStringToAge:(NSString *)time
{
NSString *ageStr;
if ([time length] < 10)
{
return @"0岁";
}
YRDateFormater *formatter = [[YRDateFormater alloc] init];
NSString *nowTime = [formatter dateToStringYMD:[NSDate date]];
NSString *birthday = [time substringToIndex:10];
NSInteger nowYear = [[nowTime substringToIndex:4] integerValue];
NSInteger nowMonth = [[nowTime substringWithRange:NSMakeRange(5, 2)] integerValue];
NSInteger nowDay = [[nowTime substringFromIndex:8] integerValue];
NSInteger birthdayYear = [[birthday substringToIndex:4] integerValue];
NSInteger birthdayMonth = [[birthday substringWithRange:NSMakeRange(5, 2)] integerValue];
NSInteger birthdayDay = [[birthday substringFromIndex:8] integerValue];
NSInteger age = nowYear - birthdayYear - 1;
if (nowMonth > birthdayMonth)
{
age++;
}
else if (nowMonth == birthdayMonth)
{
if (nowDay >= birthdayDay)
{
age++;
}
}
ageStr = [NSString stringWithFormat:@"%li岁 ", age];
return ageStr;
}
+ (BOOL)ifExerciseDataInArray:(NSArray *)array andMid:(NSString *)mid
{
if ([array count])
{
for (ALExerciseAllCellModel *obj in array)
{
if ([obj.mid isEqualToString:mid])
{
return YES;
}
}
}
return NO;
}
+ (BOOL)ifExercisePhotoIsExistInArray:(NSArray *)array andExerciseDate:(NSString *)date
{
if ([array count])
{
for (ALLMFExercisePhotosModel *model in array)
{
if ([model.exerciseTime isEqualToString:date])
{
return YES;
}
}
}
return NO;
}
+ (BOOL)ifTogetherExercisePhotoIsExistInArray:(NSArray *)array andExerciseDate:(NSString *)date
{
if ([array count])
{
for (ALLMFExerciseTogetherPhotosModel *model in array)
{
if ([model.exerciseTime isEqualToString:date])
{
return YES;
}
}
}
return NO;
}
+ (NSArray *)changeTimeToSeconds:(NSArray *)timeArray
{
NSMutableArray *secondsArray = [NSMutableArray array];
for (NSString *time in timeArray)
{
NSString *currentTime;
if ([time length] == 5)
{
currentTime = [NSString stringWithFormat:@"%@:00", time];
}
else
{
currentTime = [NSString stringWithFormat:@"0%@:00", time];
}
NSDateFormatter *judgeFormatter = [[NSDateFormatter alloc] init];
[judgeFormatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *nowTime = [[[judgeFormatter stringFromDate:[NSDate date]] substringFromIndex:11] stringByReplacingOccurrencesOfString:@" " withString:@""];
NSInteger currentHour = [[currentTime substringToIndex:2] integerValue];
NSInteger currentMinute = [[currentTime substringWithRange:NSMakeRange(3, 2)] integerValue];
NSInteger currenSecond = 0;
NSInteger nowHour = [[nowTime substringToIndex:2] integerValue];
NSInteger nowMinute = [[nowTime substringWithRange:NSMakeRange(3, 2)] integerValue];
NSInteger nowSecond = [[nowTime substringFromIndex:6] integerValue];
NSInteger timeCha;
NSInteger hourCha = currentHour - nowHour;
NSInteger minuteCha = currentMinute - nowMinute;
NSInteger secondCha = currenSecond - nowSecond;
timeCha = hourCha*3600+minuteCha*60+secondCha;
NSLog(@"%li", timeCha);
[secondsArray addObject:[NSString stringWithFormat:@"%li", timeCha]];
}
return secondsArray;
}
+ (BOOL)ifCardHasExist:(NSArray *)array and:(ALLMFTiXianListModel *)model
{
if ([array count])
{
for (int i=0; i<[array count]; i++)
{
ALLMFTiXianListModel *obj = [[array objectAtIndex:i] objectAtIndex:0];
if ([obj.cardNo isEqualToString:model.cardNo])
{
return YES;
}
}
return NO;
}
else
{
return NO;
}
}
+ (NSInteger)indexOfDateFromToday:(NSString *)time
{
NSInteger index;
/*获取当前日期*/
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *date = [NSDate date];
/*将传入的时间拼接成标注格式的日期*/
NSString *currentTime = time;
if ([time length] < 19)
{
currentTime = [NSString stringWithFormat:@"%@ 00:00:00", time];
}
for (NSInteger i=0; i<10; i++)
{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSDate *tomorrow = [NSDate dateWithTimeInterval:-i * 60 * 60 * 24 sinceDate:date];
NSString *tomorrowTime = [formatter stringFromDate:tomorrow];
NSString *temp = [tomorrowTime substringToIndex:10];
index = i+1;
if ([temp isEqualToString:time])
{
return index;
}
}
return 11;
}
+ (BOOL)ifKnowledgeHasRead:(NSString *)mid
{
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
NSString *userId = [userDefaults objectForKey:@"userId"];
NSString *key = [NSString stringWithFormat:@"%@_hasRead", userId];
NSMutableArray *dicArray = [NSMutableArray array];
dicArray = [[[ALCacheService shareCacheService] getDictionaryForKey:key tableName:@"knowledgeTable"] objectForKey:@"hasRead"];
if ([dicArray count])
{
for (NSDictionary *dic in dicArray)
{
if ([mid isEqualToString:[dic objectForKey:@"hasRead"]])
{
return YES;
}
}
return NO;
}
else
{
return NO;
}
return NO;
}
+ (NSString *)changeDateToConstellation:(NSString *)time
{
NSString *constellation = @"猎户座";
NSInteger index = 0;
NSArray *constellationArray = @[@"魔蝎座", @"水瓶座" ,@"双鱼座" ,@"白羊座" ,@"金牛座" ,@"双子座" ,@"巨蟹座" ,@"狮子座", @"处女座", @"天秤座", @"天蝎座", @"射手座"];
/*12.22-1.19 1.20-2.18 2.19-3.20 3.21-4.19 4.20-5.20 5.21-6.21 6.22-7.22 7.23-8.22 8.23-9.22 9.23-10.23 10.24-11.22 11.23-12.21*/
NSDictionary *dic = @{@"12":@"22", @"1":@"20", @"2":@"19", @"3":@"21", @"4":@"20", @"5":@"21", @"6":@"22", @"7":@"23", @"8":@"23", @"9":@"23", @"10":@"24", @"11":@"23"};
/*
2016-10-10 00:00:00
规则是：首先将时间分割成月和日
通过月找到对应的日，判断日期是否大于临界点，大则加1
*/
NSString *month = @"3";
NSInteger day;
if ([time length] >= 10)
{
NSString *monthStr = [time substringWithRange:NSMakeRange(5, 2)];
month = [NSString stringWithFormat:@"%li", [monthStr integerValue]];
day = [[time substringWithRange:NSMakeRange(8, 2)] integerValue];
}
else if ([time length] == 4 || [time length] == 5)
{
NSRange range;
if ([time contains:@"-"])
{
range = [time rangeOfString:@"-"];
}
else if ([time contains:@"."])
{
range = [time rangeOfString:@"."];
}
else
{
range = NSMakeRange(0, 0);
}
if (range.length && range.location != NSNotFound)
{
NSString *monthStr = [time substringToIndex:range.location];
month = [NSString stringWithFormat:@"%li", [monthStr integerValue]];
day = [[time substringFromIndex:range.location+1] integerValue];
}
else
{
return constellation;
}
}
else
{
return constellation;
}
index = [month integerValue]%12;
NSInteger temp = [[dic objectForKey:month] integerValue];
if (day < temp)
{
index--;
if (index < 0)
{
index = 11;
}
}
return constellationArray[index];
}
+ (NSString *)changeDateToMonthAndDay:(NSString *)time
{
NSString *monthAndDay = @"01月01日";
if ([time length] >= 10)
{
NSString *month = [time substringWithRange:NSMakeRange(5, 2)];
NSString *day = [time substringWithRange:NSMakeRange(8, 2)];
monthAndDay = [NSString stringWithFormat:@"%@月%@日", month, day];
}
return monthAndDay;
}
@end
上面有几个文件没有的可以删除，然后删除对应的几个方法。(菜鸟成长之路，望各位大神指教??)