两个NSDate相差的天数

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于 2021-05-31 16:01:39 发布

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分类专栏： OC 文章标签： ios objective-c

本文链接：https://blog.youkuaiyun.com/eastWind1101/article/details/117418864

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+(NSInteger)getDaysFrom:(NSDate *)serverDate To:(NSDate *)endDate
{
    NSCalendar *gregorian = [[NSCalendar alloc]
                             initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
    
    [gregorian setFirstWeekday:2];
    
    //去掉时分秒信息
    NSDate *fromDate;
    NSDate *toDate;
    [gregorian rangeOfUnit:NSCalendarUnitDay startDate:&fromDate interval:NULL forDate:serverDate];
    [gregorian rangeOfUnit:NSCalendarUnitDay startDate:&toDate interval:NULL forDate:endDate];
    NSDateComponents *dayComponents = [gregorian components:NSCalendarUnitDay fromDate:fromDate toDate:toDate options:0];
    
    return dayComponents.day;
}