以下のようなJSONデータから指定したデータを取得する方法。
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
| meta =
{
method = POST;
url = "/app/ApiPosts/post.json";
};
response = /// (1)
{
"comment_id" = 144; /// (2)
"video_id" = 144;
Adviser = {
name = "<null>";
};
Post = {
"adviser_id" = "-1";
"video_id" = 144; /// (3)
};
User = {
id = 1;
username = taro;
};
Comments = /// ここは配列でComment-Videoが１セットで複数セットくる
(
{
Comment = {
comment = "\U305d\U305d\U305d\U305d\n"; /// (4)
id = 144;
};
Video = {
hash = 266d1a0ccabc501149322446e49e274a; /// (4)
id = 144;
};
}
);
};
|
(1) response = 以下のデータを取得
1
| NSDictionary *responseDataDic = (NSDictionary*)responseObject[@"response"];
|
(2) comment_idのデータを取得
1
| NSLog(@"commnt_id : %@", responseDataDic[@"comment_id"]);
|
(3) Post の video_idのデータを取得
1
| NSLog(@"Post video_id: %@", responseDataDic[@"Post"][@"video_id"]);
|
(4) Commentsの中のComment-commentとVideo-hashを取得
1
2
3
4
5
| /// 高速列挙で辞書に抜き出し
for (NSDictionary *dic in responseDataDic[@"Comments"]) {
NSLog(@"Comment id: %@", dic[@"Comment"][@"id"]);
NSLog(@"Video id: %@", dic[@"Video"][@"id"]);
}
|
もしくは２ステップで
1
2
3
4
5
6
7
8
9
10
11
| /// 可変配列を用意
NSMutableArray *array = [NSMutableArray array];
/// 高速列挙でComments部分を辞書に抜き出し、それを可変配列に追加
for (NSDictionary *dic in responseDataDic[@"Comments"]) {
[array addObject:dic];
}
/// 可変配列から辞書に抜き出し
for (NSDictionary *dic in array) {
NSLog(@"Comment id: %@", dic[@"Comment"][@"id"]);
NSLog(@"Video id: %@", dic[@"Video"][@"id"]);
}
|