Object-C 语言merge两个字典对象
- (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];
}
}
}