来自AsyncTask的发送http json请求

import android.os.AsyncTask;
import android.util.Log;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpJsonRequestTask extends AsyncTask<String, Void, JSONObject> {

    private static final String TAG = "HttpJsonRequestTask";

    @Override
    protected JSONObject doInBackground(String... urls) {
        HttpURLConnection connection = null;
        BufferedReader reader = null;
        try {
            URL url = new URL(urls[0]);
            connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");
            connection.connect();

            InputStream inputStream = connection.getInputStream();
            StringBuilder stringBuilder = new StringBuilder();
            reader = new BufferedReader(new InputStreamReader(inputStream));
            String line;
            while ((line = reader.readLine()) != null) {
                stringBuilder.append(line);
            }

            return new JSONObject(stringBuilder.toString());
        } catch (IOException | JSONException e) {
            Log.e(TAG, "Error: " + e.getMessage());
        } finally {
            if (connection != null) {
                connection.disconnect();
            }
            if (reader != null) {
                try {
                    reader.close();
                } catch (IOException e) {
                    Log.e(TAG, "Error: " + e.getMessage());
                }
            }
        }
        return null;
    }

    @Override
    protected void onPostExecute(JSONObject result) {
        if (result != null) {
            // 在这里处理返回的JSON数据
            try {
                String name = result.getString("name");
                int age = result.getInt("age");
                // 其他操作...
            } catch (JSONException e) {
                Log.e(TAG, "Error: " + e.getMessage());
            }
        }
    }
}