常用的json解析方式

阳光穿透心脏的1/2处 2022-08-20 04:16 202阅读 0赞

public static Person getPerson(String key,String jsonString){
            Person person = new Person();
            try {
                JSONObject jsonObject = new JSONObject(jsonString);
                JSONObject personObject = jsonObject.getJSONObject("person");
                person.setId(personObject.getInt("id"));
                person.setName(personObject.getString("name"));
                person.setAddress(personObject.getString("address"));
            } catch (Exception e) {
                // TODO: handle exception
            }
            return person;
        }
    
        public static List<Person> getPersons(String key,String jsonString){
            List<Person> list = new ArrayList<Person>();
            try {
                JSONObject jsonObject = new JSONObject(jsonString);
                JSONArray jsonArray = jsonObject.getJSONArray(key);
                for (int i = 0; i < jsonArray.length(); i++) {
                    JSONObject jsonObject2 = jsonArray.getJSONObject(i);
                    Person person  = new Person();
                    person.setId(jsonObject2.getInt("id"));
                    person.setName(jsonObject2.getString("name"));
                    person.setAddress(jsonObject2.getString("address"));
                    list.add(person);
                }
            } catch (Exception e) {
                // TODO: handle exception
            }
            return list;
        }
    
        public static List<String> getList(String key,String jsonString){
            List<String> list = new ArrayList<String>();
            try {
                JSONObject jsonObject = new JSONObject(jsonString);
                JSONArray jsonArray = jsonObject.getJSONArray(key);
                for (int i = 0; i < jsonArray.length(); i++) {
                    String msg = jsonArray.getString(i);
                    list.add(msg);
                }
            } catch (Exception e) {
                // TODO: handle exception
            }
            return list;
        }
    
        public static List<Map<String, Object>> getListMap(String key,String jsonString){
            List<Map<String, Object>> list = new ArrayList<Map<String,Object>>();
            try {
                JSONObject jsonObject = new JSONObject(jsonString);
                JSONArray jsonArray = jsonObject.getJSONArray(key);
                for (int i = 0; i < jsonArray.length(); i++) {
                    JSONObject jsonObject2 = jsonArray.getJSONObject(i);
                    Map<String, Object> map = new HashMap<String, Object>();
                    Iterator<String> iterator = jsonObject2.keys();
                    while (iterator.hasNext()) {
                        String json_key = iterator.next();
                        Object json_value = jsonObject2.get(json_key);
                        if (json_value == null) {
                            json_value = "";
                        }
                        map.put(json_key, json_value);
                    }
                    list.add(map);
                }
            } catch (Exception e) {
                // TODO: handle exception
            }
            return list;
        }