Question

我有json数据类型

{"email":"mikekhlau@gmail.com","contact":[{"contact_name":"Mike Lau","contact_no":"019-3331976"},{"contact_name":"Jason Lau","contact_no":"013-2711188"},{"contact_name":"Margaret Lau","contact_no":"019-3122281"}]}

如何获取电子邮件，contact_name和contact_no？

Answer 1

var json = {"email":"mikekhlau@gmail.com","contact":[{"contact_name":"Mike Lau","contact_no":"019-3331976"},{"contact_name":"Jason Lau","contact_no":"013-2711188"},{"contact_name":"Margaret Lau","contact_no":"019-3122281"}]}

您可以通过..

获取数据

json.email

＆＃34; mikekhlau@gmail.com"

json.contact[0].contact_name

＆＃34; Mike Lau＆＃34;

json.contact[0].contact_no

＆＃34; 019-3331976＆＃34;

Answer 2

    try {
             JSONObject  jsonRootObject = new JSONObject(strJson);

             String email = jsonRootObject .getString("email");
             //Get the instance of JSONArray that contains JSONObjects
             JSONArray jsonArray = jsonRootObject.optJSONArray("contacts");

             //Iterate the jsonArray and print the info of JSONObjects
             for(int i=0; i < jsonArray.length(); i++){
                JSONObject jsonObject = jsonArray.getJSONObject(i);

    String contact_name = jsonObject.getString("contact_name");            
    String contact_no= jsonObject.getString("contact_no");            
             }

          } catch (JSONException e) {e.printStackTrace();}
       }

use the above code

如何逐个从json获取数据？

2 个答案: