1，JSON操作json

1 import net.sf.json.JSONArray; 2 import net.sf.json.JSONObject; 3  4 //json操作数据 5 public static String objToJson(User user) 6 { 7     JSONObject jsonObject = JSONObject.fromObject(user); 8     return jsonObject.toString(); 9 }10 public static User jsonToObj(String str)11 {12     JSONObject jsonObject = JSONObject.fromObject(str);13     User user = (User)jsonObject.toBean(jsonObject, User.class);14     return user;15 }16 public static JSONArray strToJsonArray(List
     
       users)17 {18     return JSONArray.fromObject(users);19 }20
     

 

2，GSON操作json

1 import com.google.gson.Gson; 2  3 //gson操作数据 4 public static String objToJson(User user) 5 { 6     Gson gson = new Gson(); 7     return gson.toJson(user); 8 } 9 public static User jsonToObj(String str)10 {11     Gson gson = new Gson();12     User user5 = (User)gson.fromJson(str, User.class);13     return user5;14 }