iOS-OC根據時間戳獲取距離現在的狀態(剛剛,分鍾前,今天,昨天)

 iOS-OC根據時間戳獲取距離現在的狀態(剛剛,分鍾前,今天,昨天)

獲取時間戳

- (NSString *)distanceTimeWithBeforeTime:(double)beTime
{
    NSTimeInterval now = [[NSDatedate]timeIntervalSince1970];
    double distanceTime = now - beTime;
    NSString * distanceStr;

    NSDate * beDate = [NSDatedateWithTimeIntervalSince1970:beTime];
    NSDateFormatter * df = [[NSDateFormatteralloc]init];
    [df setDateFormat:@"HH:mm"];
    NSString * timeStr = [df stringFromDate:beDate];

    [df setDateFormat:@"dd"];
    NSString * nowDay = [df stringFromDate:[NSDate date]];
    NSString * lastDay = [df stringFromDate:beDate];

    if (distanceTime < 60) {//小於一分鍾
        distanceStr = @"剛剛";
    }
    else if (distanceTime <60*60) {//時間小於一個小時
        distanceStr = [NSString stringWithFormat:@"%ld分鍾前",(long)distanceTime/60];
    }
        else if(distanceTime <24*60*60 && [nowDayintegerValue] == [lastDay integerValue]){//時間小於一天
            distanceStr = [NSString stringWithFormat:@"今天 %@",timeStr];
    }
    else if(distanceTime<24*60*60*2 && [nowDayintegerValue] != [lastDay integerValue]){

        if ([nowDay integerValue] - [lastDay integerValue] ==1 || ([lastDay integerValue] - [nowDayintegerValue] > 10 && [nowDayintegerValue] == 1)) {
                distanceStr = [NSString stringWithFormat:@"昨天 %@",timeStr];
    }
    else{
        [df setDateFormat:@"MM-dd HH:mm"];
        distanceStr = [df stringFromDate:beDate];
    }

    }
    else if(distanceTime <24*60*60*365){
        [df setDateFormat:@"MM-dd HH:mm"];
        distanceStr = [df stringFromDate:beDate];
    }
    else{
        [df setDateFormat:@"yyyy-MM-dd HH:mm"];
        distanceStr = [df stringFromDate:beDate];
    }
    return distanceStr;
}