前往小程序,Get更优阅读体验!
立即前往
首页
学习
活动
专区
工具
TVP
发布
社区首页 >专栏 >iOS :Object-C 语言merge两个字典对象

iOS :Object-C 语言merge两个字典对象

作者头像
用户1941540
发布2018-05-11 13:30:45
2K0
发布2018-05-11 13:30:45
举报
文章被收录于专栏:ShaoYL

Object-C 语言merge两个字典对象

代码语言:javascript
复制
- (id)mutableDictionaryCopyIfNeeded:(id)dictObj
{
    if ([dictObj isKindOfClass:[NSDictionary class]] &&
        ![dictObj isKindOfClass:[NSMutableDictionary class]]) {
        dictObj = [dictObj mutableCopy];
    }
    return dictObj;
}

/**
 合并两个字典

 @param dict 被合并的字典
 */
- (void)mergingWithDictionary:(NSDictionary *)dict
{
    for (id key in [dict allKeys]) {
        id obj = [self mutableDictionaryCopyIfNeeded:[dict objectForKey:key]];
        id localObj = [self mutableDictionaryCopyIfNeeded:[self objectForKey:key]];
        if ([obj isKindOfClass:[NSDictionary class]] &&
            [localObj isKindOfClass:[NSMutableDictionary class]]) {
            // Recursive merge for NSDictionary
            [localObj mergingWithDictionary:obj];
        } else if (obj) {
            [self setObject:obj forKey:key];
        }
    }
}

/**
 合并两个字典

 @param dict       被合并的字典
 @param ignoredKey 忽略的Key
 */
- (void)mergingWithDictionary:(NSDictionary *)dict ignoredDictKey:(NSString *)ignoredKey
{
    for (id key in [dict allKeys]) {
        if ([key isEqualToString:ignoredKey]) {
            continue;
        }
        id obj = [self mutableDictionaryCopyIfNeeded:[dict objectForKey:key]];
        id localObj = [self mutableDictionaryCopyIfNeeded:[self objectForKey:key]];
        if ([obj isKindOfClass:[NSDictionary class]] &&
            [localObj isKindOfClass:[NSMutableDictionary class]]) {
            // Recursive merge for NSDictionary
            [localObj mergingWithDictionary:obj];
        } else if (obj) {
            [self setObject:obj forKey:key];
        }
    }
}
本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。
原始发表:2016-10-07 ,如有侵权请联系 cloudcommunity@tencent.com 删除

本文分享自 作者个人站点/博客 前往查看

如有侵权,请联系 cloudcommunity@tencent.com 删除。

本文参与 腾讯云自媒体同步曝光计划  ,欢迎热爱写作的你一起参与!

评论
登录后参与评论
0 条评论
热度
最新
推荐阅读
目录
  • Object-C 语言merge两个字典对象
领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档