大家好,我有一个可变的Nsdcitionary。我有一个函数,它使用这个dict = [json mutableCopy];设置Nsdcitionary内容。现在我想重新调用该函数,但我需要保留旧值。怎么做?
答案 0 :(得分:0)
我想这可以帮助
[dict1 addEntriesFromDictionary:dict2];
答案 1 :(得分:0)
试试这个
NSMutableDictionary *dict1=[[NSMutableDictionary alloc]init];
[dict1 setObject:@"ravi" forKey:@"Name"];
NSMutableDictionary *dict2=[[NSMutableDictionary alloc]init];
[dict2 setObject:@"22" forKey:@"Age"];
[dict1 addEntriesFromDictionary:dict2];
NSLog(@"%@",dict1);
//it will print
// Age = 22;
// Name = ravi;