怎么根据key修改NSMutableArray中的值

2025-04-28 21:30:34
推荐回答(2个)
回答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。

回答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]