从其他NSMutableDictionary保存和检索NSMutabledictionary

Question

我有NNDictionary，我想将其存储在另一个NSMutableDictionary中。我是这样做的：

NSDictionary* dictionary = (NSDictionary*) [NSKeyedUnarchiver unarchiveObjectWithData:context];
    [myDictionarySTORE setObject:dictionary forKey:[NSString stringWithFormat:@"%d", r]];

要提取它，我会这样做：

NSDictionary* dic = [myDictionarySTORE objectForKey:[NSString stringWithFormat:@"%ld", (long)btn.tag]];
NSString *Name = [dic objectForKey:@"fileName"];
NSString *Type = [dic objectForKey:@"fileType"];
NSData *File = [dic objectForKey:@"FileData"];

这种情况下的btn.tag是r。键是相同的，但它似乎不起作用......

Answer 1

NSDictionary * dic = [NSDictionary dictionaryWithDictionary：[myDictionarySTORE objectForKey：[NSString stringWithFormat：@“％ld”，（long）btn.tag]]];

或者

NSDictionary * dic = [[NSDictionary alloc] initWithDictionary：[myDictionarySTORE objectForKey：[NSString stringWithFormat：@“％ld”，（long）btn.tag]]];