java json转map方法

1. public static Map<String, Object> parseJSON2Map(String jsonStr){    
2.             Map<String, Object> map = new HashMap<String, Object>();    
3.             JSONObject json = JSONObject.fromObject(jsonStr);    
4.             for(Object k : json.keySet()){    
5.                 Object v = json.get(k);     
6.                 if(v instanceof JSONArray){    
7.                     List<Map<String, Object>> list = new ArrayList<Map<String,Object>>();    
8.                     Iterator<JSONObject> it = ((JSONArray)v).iterator();    
9.                     while(it.hasNext()){    
10.                         JSONObject json2 = it.next();    
11.                         list.add(parseJSON2Map(json2.toString()));    
12.                     }    
13.                     map.put(k.toString(), list);    
14.                 } else {    
15.                     map.put(k.toString(), v);    
16.                 }    
17.             }    
18.             return map;    
19.         }