ORG.json处理

//使用new JSONObject()构造一个JSON对象，参数为空

 public String jsonTest() throws JSONException{

        JSONObject json=new JSONObject();

        JSONArray jsonMembers = new JSONArray();

         

            JSONObject member1 = new JSONObject();

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

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

            member1.put("email","fbeiwb@163.com");

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

            jsonMembers.put(member1);

             

            JSONObject member2 = new JSONObject();

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

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

            member2.put("email","123123@126.com");

            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

        return json.toString();

    }

     

//从字符串构造一个JSON对象并解析之

  public String jsonTest2() throws JSONException{

 String jsonString="{\"users\":[{\"loginname\":\"jack\",\"password\":\"userpass\",\"email\":\"fbeiwb@163.com\"},{\"loginname\":\"tom\",\"password\":\"userpass\",\"email\":\"1231231@163.com\"}]}";

        JSONObject json= new JSONObject(jsonString);

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

        String loginNames="loginname list:";

        for(int i=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+",";

            }

        }

        return loginNames;

    }