[英]How to put Json object through loop
您可以按如下方式使用 JSONArray
String json="{\"QUESTIONNAIRES\":[{\n" +
" \"SUB_QUESTION\":[{\n" +
" \"EMAIL_TO_CLIENT_IND\":\"N\"\n" +
" }]\n" +
"}]}";
try {
JSONObject mainObject=new JSONObject(json);
JSONArray questionnairesArray=mainObject.getJSONArray("QUESTIONNAIRES");
for (int i=0;i<questionnairesArray.length();i++){
JSONObject questionnairesObject= (JSONObject) questionnairesArray.get(i);
JSONArray subQuestionArray=questionnairesObject.getJSONArray("SUB_QUESTION");
for (int j=0;j<subQuestionArray.length();j++){
JSONObject subQuestionObject= (JSONObject) subQuestionArray.get(i);
subQuestionObject.put("EMAIL_TO_CLIENT_IND","Y");
}
}
Log.e("Output",mainObject.toString());
} catch (JSONException e) {
Log.e("Exception",e.getMessage());
}
已编辑
也可以使用 GSON 库来解决
//frame data classes
class Response {
@SerializedName("QUESTIONNAIRES")
private List<Questionaire> questionaireList;
public List<Questionaire> getQuestionaireList() {
return questionaireList;
}
public void setQuestionaireList(List<Questionaire> questionaireList) {
this.questionaireList = questionaireList;
}
}
class Questionaire {
@SerializedName("SUB_QUESTION")
private List<SubQuestion> subQuestionList;
public List<SubQuestion> getSubQuestionList() {
return subQuestionList;
}
public void setSubQuestionList(List<SubQuestion> subQuestionList) {
this.subQuestionList = subQuestionList;
}
}
class SubQuestion {
@SerializedName("EMAIL_TO_CLIENT_IND")
private String emailToClientId;
public String getEmailToClientId() {
return emailToClientId;
}
public void setEmailToClientId(String emailToClientId) {
this.emailToClientId = emailToClientId;
}
}
//loop through data using GSON
Gson gson = new Gson();
String json = "{\"QUESTIONNAIRES\":[{\n" +
" \"SUB_QUESTION\":[{\n" +
" \"EMAIL_TO_CLIENT_IND\":\"N\"\n" +
" }]\n" +
"}]}";
Response response = gson.fromJson(json, Response.class);
for (Questionaire questionnaire : response.getQuestionaireList()) {
for (SubQuestion subQuestion : questionnaire.getSubQuestionList()) {
subQuestion.setEmailToClientId("Y");
}
}
Log.e("Output", gson.toJson(response));
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