我会知道如何合并两个包含重复项的数组:这是一个例子来说明我想做什么://Hereissomedictionarywhichcontainanunique"id"key.NSDictionary*dico1=[NSDictionarydictionaryWithObjectsAndKeys:@"11111111",@"id",nil];NSDictionary*dico2=[NSDictionarydictionaryWithObjectsAndKeys:@"22222222",@"id",nil];NSDictionary*dico3=[NSDictionarydictionaryWi