通过android studio项目访问asp Web API时遇到问题.我的Web API通过实体框架与数据库连接.我想通过android商人视图通过API Merchant Controller调用商人列表.这是我的商人的HttpGet方法:
I have a problem while accessing asp web API through android studio project. My web API connect with the database through Entity Framework. I want to call the list of Merchants through API Merchant Controller from android merchant view. Here is my HttpGet method for Merchant:
public class MerchantController : ApiController { private DostiCardDBEntities merchantEntities = new DostiCardDBEntities(); [HttpGet] public HttpResponseMessage listOfMerchant() { return Request.CreateResponse(HttpStatusCode.OK, merchantEntities.MerchantTables.ToList()); } }我通过AsyncTask doInBackground方法i-e访问商家列表
I access list of Merchants through AsyncTask doInBackground method i-e
private class ExecuteTask extends AsyncTask<String, Integer, String>{ String jsonText = ""; HttpsURLConnection connection; @Override protected String doInBackground(String... strings) { try { URL url = new URL("169.254.80.80:6040/api/Merchant"); connection = (HttpsURLConnection) url.openConnection(); connection.setRequestMethod("GET"); connection.connect(); InputStream inputStream = connection.getInputStream(); int byteCharacter; while ((byteCharacter = inputStream.read()) != -1){ char c = (char) byteCharacter; jsonText += c; } } catch (IOException e) { e.printStackTrace(); } finally { connection.disconnect(); } return null; } @Override protected void onPostExecute(String s) { Toast.makeText(getApplicationContext(), jsonText, Toast.LENGTH_LONG).show(); } } 推荐答案您应该将HttpsURLConnection更改为HttpURLConnection,因为您的URL使用协议http而不是https
you should change HttpsURLConnection to HttpURLConnection because your URL using protocol http not https
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