java - 如何获取并将其存储到Android中数组中的数组变量？

Question

我正在尝试将响应存储在我的模型中，但是如果它在另一个数组中，我该如何获取该值？我的 react 让我有点困惑。这是响应的外观。

{
  "data": [
    {
      "id": "1",
      "directory_name": "Directory 1",
      "details": [
        {
          "sub_directory_name": "Sub Directory 1",
          "address": "sub",
          "email": [
            {
              "key": 0,
              "value": "123"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "123"
            }
          ],
          "description": ""
        },
        {
          "sub_directory_name": "Sub Directory 2",
          "address": "National",
          "email": [
            {
              "key": 0,
              "value": "123"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "123"
            }
          ],
          "description": ""
        },
        {
          "sub_directory_name": "Sub Directory 3",
          "address": "Syb",
          "email": [
            {
              "key": 0,
              "value": "123"
            },
            {
              "key": 1,
              "value": "123"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "123"
            },
            {
              "key": 1,
              "value": "123"
            }
          ],
          "description": ""
        },
        {
          "sub_directory_name": "Sub Directory 4",
          "address": "Sub",
          "email": [
            {
              "key": 0,
              "value": "123"
            },
            {
              "key": 1,
              "value": "123"
            },
            {
              "key": 2,
              "value": "(123"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "123"
            },
            {
              "key": 1,
              "value": "123"
            },
            {
              "key": 2,
              "value": "123"
            }
          ],
          "description": ""
        }
      ]
    },
    {
      "id": "2",
      "directory_name": "Directory 2",
      "details": [
        {
          "sub_directory_name": "Sub Directory 2",
          "address": "Sub",
          "email": [
            {
              "key": 0,
              "value": "test"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "test"
            },
            {
              "key": 1,
              "value": "test"
            }
          ],
          "description": ""
        },
        {
          "sub_directory_name": "Sub Directory 3",
          "address": "test",
          "email": [
            {
              "key": 0,
              "value": "tset"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "test"
            },
            {
              "key": 1,
              "value": "test"
            },
            {
              "key": 2,
              "value": "test"
            }
          ],
          "description": ""
        },
        {
          "sub_directory_name": "Sub Directory 3",
          "address": "test",
          "email": [
            {
              "key": 0,
              "value": "test"
            }
          ],
          "contact_no": [
            {
              "key": 0,
              "value": "test"
            }
          ],
          "description": ""
        }
      ]
    }
  ]
}

它看起来真的很复杂。我需要得到 email和 contact_no到 details
这是我目前拥有的代码。

我正在使用截击。

      CustomRequest stringRequest = new CustomRequest(Request.Method.POST, WebConfig.directories, null,
                new Response.Listener<JSONObject>()
                {
                    @Override
                    public void onResponse(JSONObject response)
                    {

                        try {

                            // Get the object data array from response
                            JSONArray dataArray = response.getJSONArray("data");

                            for (int data = 0; data < dataArray.length(); data++) {

                                // Get the data object and save the common id and directory name for each of the details
                                JSONObject dataObject = dataArray.getJSONObject(data);
                                JSONArray detailsArray = dataObject.getJSONArray("details");

                                Integer ID = dataObject.getInt("id");
                                String DirName = dataObject.getString("directory_name");

                                for (int j = 0;j <detailsArray.length();j++) {

                                    DirectoryModel details = new DirectoryModel();
                                    details.setId(ID);
                                    details.setDirectory_name(DirName);

                                    JSONObject detailObject = detailsArray.getJSONObject(j);

                                    details.setSub_directory_name(detailObject.getString("sub_directory_name"));

                                    JSONArray emailsArray = detailObject.getJSONArray("email");


                                    ArrayList<Email> emailArrayList = new ArrayList<>();
                                    for (int k = 0; k <emailsArray.length();k++){
                                        Email email = new Email();
                                        JSONObject emailObject = emailsArray.getJSONObject(k);
                                        email.setKey(emailObject.getString("key"));
                                        email.setValue(emailObject.getString("value"));
                                        details.setEmailArrayList(emailArrayList);
                                    }


                                    JSONArray contactArray = detailObject.getJSONArray("contact_no");

                                    ArrayList<ContactNo> contactNoArrayList = new ArrayList<>();
                                    for (int m = 0; m <contactArray.length();m++){
                                        ContactNo contactNo = new ContactNo();
                                        JSONObject mobileObject = emailsArray.getJSONObject(m);
                                        contactNo.setKey(mobileObject.getString("key"));
                                        contactNo.setValue(mobileObject.getString("value"));
                                        details.setContactNoArrayList(contactNoArrayList);
                                    }

                                    directoryList.add(details);

                                }

                                adapter.notifyDataSetChanged();
                                directoryRecyclerView.setVisibility(View.VISIBLE);

                            }


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

                    }
                }, new Response.ErrorListener() {

            @Override
            public void onErrorResponse(VolleyError error) {

            }
        })

我知道我的代码仍然无效，我该如何通过我的代码来实现我遇到的问题。任何帮助将非常感激。

Answer 1

试试这个可能对你有帮助

首先创建包含详细信息的模型或 pojo 类

Details.class //模型或pojo类

public class Details {

String sub_directory_name;
String address;
ArrayList<Email> emailArrayList;
ArrayList<ContactNo> contactNoArrayList;

public String getSub_directory_name() {
    return sub_directory_name;
}

public void setSub_directory_name(String sub_directory_name) {
    this.sub_directory_name = sub_directory_name;
}

public String getAddress() {
    return address;
}

public void setAddress(String address) {
    this.address = address;
}

public ArrayList<Email> getEmailArrayList() {
    return emailArrayList;
}

public void setEmailArrayList(ArrayList<Email> emailArrayList) {
    this.emailArrayList = emailArrayList;
}

public ArrayList<ContactNo> getContactNoArrayList() {
    return contactNoArrayList;
}

public void setContactNoArrayList(ArrayList<ContactNo> contactNoArrayList) {
    this.contactNoArrayList = contactNoArrayList;
}
}

- 在上述模型或 pojo 类中，您需要声明另外两个模型或 pojo 类，即 ContactNo 和 Email。

电子邮件.class //电子邮件模型或pojo类

public class Email {

String key;
String value;

public String getKey() {
    return key;
}

public void setKey(String key) {
    this.key = key;
}

public String getValue() {
    return value;
}

public void setValue(String value) {
    this.value = value;
}   
}

联系电话类(class)//contactno 模型或 pojo 类

public class ContactNo {

String key;
String value;

public String getKey() {
    return key;
}

public void setKey(String key) {
    this.key = key;
}

public String getValue() {
    return value;
}

public void setValue(String value) {
    this.value = value;
}

}

然后你必须调用你的api，然后首先声明第一个包含详细信息的arraylist，然后在那个for循环中调用for循环，你必须存储数据。

ArrayList<Details> detailsArrayList = new ArrayList<>();
JsonArray jdetaul = response.body().get("data").getAsJsonArray();



for (int i = 0; i < jdetaul.size(); i++) {


    JsonObject object = jdetaul.get(i).getAsJsonObject();
    JsonArray jdetails = object.get("details").getAsJsonArray();


    for (int j = 0;j <jdetails.size();j++){
        JsonObject detailobj = jdetails.get(j).getAsJsonObject();
        Details details = new Details();
        details.setAddress(detailobj.get("address").getAsString());
        details.setSub_directory_name(detailobj.get("sub_directory").getAsString());



        JsonArray jemail = detailobj.get("email").getAsJsonArray();

        ArrayList<Email> emailArrayList = new ArrayList<>();
        for (int k = 0; k <jemail.size();k++){
            JsonObject emailobject = jemail.get(k).getAsJsonObject();
            Email email = new Email();
            email.setKey(emailobject.get("key").getAsString());
            email.setValue(emailobject.get("value").getAsString());
            details.setEmailArrayList(emailArrayList);
        }

        JsonArray jcontact_noarray = detailobj.get("contact_no").getAsJsonArray();

        ArrayList<ContactNo> contactNoArrayList = new ArrayList<>();
        for (int k = 0; k <jcontact_noarray.size();k++){

            JsonObject contactobj = jcontact_noarray.get(k).getAsJsonObject();
            ContactNo contactNo = new ContactNo();
            contactNo.setKey(contactobj.get("key").getAsString());
            contactNo.setValue(contactobj.get("value").getAsString());
            details.setContactNoArrayList(contactNoArrayList);
        }
        detailsArrayList.add(details);
    }

}