Question

怎么根据key修改NSMutableArray中的值

Answer 1

　　您好，我来为您解答，写法如下：
　　NSDictionary *item =[array objectAtIndex:row]；
　　NSMutableDictionary *mutableItem = [NSMutableDictionary dictionaryWithDictionary:item];
　　[mutableItem setObject:@“222” forKey:@"aa"];
　　[array setObject: mutableItem atIndexedSubscript:row]
　　如果我的回答没能帮助您，请继续追问。

Answer 2

您好，我来为您解答，写法如下： 　　NSDictionary *item =[array objectAtIndex:row]； 　　NSMutableDictionary *mutableItem = [NSMutableDictionary dictionaryWithDictionary:item]; 　　[mutableItem setObject:@“222” forKey:@"aa"]; 　　[array setObject: mutableItem atIndexedSubscript:row]