判断当前时间是否在一个时间段范围内

+ (BOOL)isBetweenFromHour:(NSInteger)fromHour toHour:(NSInteger)toHour
{
    NSDate *dateFromHour = [self getCustomDateWithHour:fromHour];
    NSDate *dateToHour = [self getCustomDateWithHour:toHour];
    
    NSDate *currentDate = [NSDate date];
    
    if ([currentDate compare:dateFromHour]==NSOrderedDescending && [currentDate compare:dateToHour]==NSOrderedAscending)
    {
        return YES;
    }
    return NO;
}


+ (NSDate *)getCustomDateWithHour:(NSInteger)hour
{
    //获取当前时间
    NSDate *currentDate = [NSDate date];
    NSCalendar *currentCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
    NSDateComponents *currentComps = [[NSDateComponents alloc] init];
    
    NSInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSWeekdayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
    
    currentComps = [currentCalendar components:unitFlags fromDate:currentDate];
    
    //设置当天的某个点
    NSDateComponents *resultComps = [[NSDateComponents alloc] init];
    [resultComps setYear:[currentComps year]];
    [resultComps setMonth:[currentComps month]];
    [resultComps setDay:[currentComps day]];
    [resultComps setHour:hour];
    
    NSCalendar *resultCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
    return [resultCalendar dateFromComponents:resultComps];
}