时间戳转化几年 几月 几天 几小时 几分钟前

    self.timeLab.text = [NSString stringWithFormat:@"%@",[self compareCurrentTime:model.add_time.formateDateYMD_HM]];

-(NSString *)compareCurrentTime:(NSString *)str

{

    //把字符串转为NSdate

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormattersetDateFormat:@"yyyy-MM-dd HH:mm"];

    NSDate*timeDate = [dateFormatterdateFromString:str];

    //得到与当前时间差

    NSTimeInterval timeInterval = [timeDate timeIntervalSinceNow];

    timeInterval = -timeInterval;

    //标准时间和北京时间差8个小时

    // timeInterval = timeInterval - 86060;

    longtemp =0;

    NSString*result;

    if(timeInterval <60) {

    result = [NSString stringWithFormat:@"刚刚"];

    }

    elseif((temp = timeInterval/60) <60){

    result = [NSString stringWithFormat:@"%ld分钟前",temp];

    }

    elseif((temp = temp/60) <24){

        result = [NSString stringWithFormat:@"%ld小时前",temp];

    }

    elseif((temp = temp/24) <30){

        result = [NSString stringWithFormat:@"%ld天前",temp];

    }

    elseif((temp = temp/30) <12){

        result = [NSString stringWithFormat:@"%ld月前",temp];

    }

    else{

        temp = temp/12;

        result = [NSString stringWithFormat:@"%ld年前",temp];

    }

    return  result;

}

- (NSString *)formateDateYMD_HM {

    NSDate *date = [NSDate dateWithTimeIntervalSince1970:self.doubleValue];

    NSDateFormatter *format = [[NSDateFormatter alloc] init];

    [formatsetDateFormat:@"yyyy-MM-dd HH:mm"];

    NSString*result = [formatstringFromDate:date];

    returnresult;

}