这种简单的需求Foundation API就已经完成的很好了。code
建立一个包含其余字典的字典:[NSDictionary dictionaryWithDictionary:sourceDict] 将其余字典的内容添加到目标字典:[destinationDict addEntriesFromDictionary:sourceDict]it
[NSDictionary dictionaryWithDictionary:sourceDict]
[destinationDict addEntriesFromDictionary:sourceDict]