所以我的应用程序中有一个NSMutableArray，它是这样填充的:NSMutableArray--Object1(NSMutableDictonary)--Value(i)forkey(key)--Value(i)forkey(key)--Object2(NSMutableDictonary)--Value(i)forkey(key)--Value(i)forkey(key)我需要能够从主NSMutableArray中选择一个对象，方法是查找与NSMutableDictonary的键之一的值匹配的键。..我知道我可以像这样运行一个循环来实现这个:for(NSMutableDicti

我有以下存储在NSMutableDictonary中的JSON响应。我想加上special_item的所有价格。{"order_id":"1","order_name":"xyz","order_item":[{"item_id":"1","item_name":"myone","special_item":[{"s_item_id":"1","price":"10"},{"s_item_id":"2","price":"100"}]},{"item_id":"2","item_name":"mytwo","special_item":[{"s_item_id":"11","price