NSMutableDictionary *dic = [NSMutableDictionary new];
[dic addEntriesFromDictionary:@{@"key":@"12345"}];
NSLog(@"%@",dic);
[dic addEntriesFromDictionary:@{@"key":@"123"}];
NSLog(@"%@",dic);
2016-01-19 14:09:18.068 nsdic[10029:277454] {
key = 12345;
}
2016-01-19 14:09:18.068 nsdic[10029:277454] {
key = 123;
}