ORG.json处理

//使用new JSONObject()构造一个JSON对象，参数为空

 publicString jsonTest() throwsJSONException{

        JSONObject json=newJSONObject();

        JSONArray jsonMembers = newJSONArray();

         

            JSONObject member1 = newJSONObject();

            member1.put("loginname","jack");

            member1.put("password","userpass");

            member1.put("email","[e-mail]");

            member1.put("sign_date","2007-06-12");

            jsonMembers.put(member1);

             

            JSONObject member2 = newJSONObject();

            member2.put("loginname","tom");

            member2.put("password","userpass");

            member2.put("email","[e-mail]");

            member2.put("sign_date","2008-07-16");

            jsonMembers.put(member2);

 

        json.put("users", jsonMembers);

                //以字符串形式返回JSON对象的内容

        returnjson.toString();

    }

     

//从字符串构造一个JSON对象并解析之

  publicString jsonTest2() throwsJSONException{

 String jsonString="{\"users\":[{\"loginname\":\"jack\",\"password\":\"userpass\",\"email\":\"[e-mail]\"},{\"loginname\":\"tom\",\"password\":\"userpass\",\"email\":\"[e-mail]\"}]}";

        JSONObject json= newJSONObject(jsonString);

        JSONArray jsonArray=json.getJSONArray("users");

        String loginNames="loginname list:";

        for(inti=0;i<jsonArray.length();i++){

            JSONObject user=(JSONObject) jsonArray.get(i);

            String userName=(String) user.get("loginname");

            if(i==jsonArray.length()-1){

                loginNames+=userName;

            }else{

                loginNames+=userName+",";

            }

        }

        returnloginNames;

    }