/**
 *傳入時(shí)間，返回那時(shí)候的時(shí)間戳     比如今天或者明天12點(diǎn)的時(shí)間戳 
 */
+(NSInteger )my_getFarFrom_12_TimeWithTime:(NSInteger)time
{
    NSDate*date = [NSDate date];
    
    NSTimeZone *gmt = [NSTimeZone timeZoneWithAbbreviation:@"GMT+0800"];
    NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier: NSCalendarIdentifierGregorian];

    [gregorian setTimeZone:gmt];
    NSDateComponents*components = [gregorian components:NSUIntegerMax fromDate: date];
    [components setHour:time]; //12  36
    [components setMinute:0];
    [components setSecond: 0];
    NSDate*newDate = [gregorian dateFromComponents: components];
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

    NSInteger timeDur = (NSInteger)[newDate timeIntervalSince1970];
    return timeDur;
}

這個(gè)，傳0 就是今天0點(diǎn)，12就是12點(diǎn)，24就是明天0點(diǎn)，36就是明天中午12點(diǎn)