学习笔记：fastjson-1

 1     public int size() {
 2         return map.size();
 3     }
 4     public boolean isEmpty() {
 5         return map.isEmpty();
 6     }
 7     public boolean containsKey(Object key) {
 8         return map.containsKey(key);
 9     }
10     public boolean containsValue(Object value) {
11         return map.containsValue(value);
12     }
13     public Object get(Object key) {
14         return map.get(key);
15     }
16     public JSONObject getJSONObject(String key) {
17         Object value = map.get(key);
18         if (value instanceof JSONObject) {
19             return (JSONObject) value;
20         }
21         if (value instanceof String) {
22             return JSON.parseObject((String) value);
23         }
24         return (JSONObject) toJSON(value);
25     }
26     public JSONArray getJSONArray(String key) {
27         Object value = map.get(key);
28         if (value instanceof JSONArray) {
29             return (JSONArray) value;
30         }
31         if (value instanceof String) {
32             return (JSONArray) JSON.parse((String) value);
33         }
34         return (JSONArray) toJSON(value);
35     }