我正在制作一个简单的应用程序，在三个问题的用户响应的帮助下，单选按钮被提交存储在我在localhost wamp服务器上创建的数据库中。 我的logcat没有错误，但是当我向它添加条目时，localhost数据库仍然没有更新数据。即更改是可见的。请帮忙
主要活动
public class MainActivity extends AppCompatActivity {
private String URL_NEW_PREDICTION = "http://192.168.1.193/prediction/new_predict.php";
private Button btnAddPrediction;
String numOfGoal = "1";
String numOfCard = "1";
String diffOfPos = "1";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
RadioGroup goal = (RadioGroup) findViewById(R.id.answer1);
goal.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
switch (checkedId) {
case R.id.answer1A:
numOfGoal = "1";
break;
case R.id.answer1B:
numOfGoal = "2";
break;
case R.id.answer1C:
numOfGoal = "3";
break;
}
}
});
RadioGroup card = (RadioGroup) findViewById(R.id.answer2);
card.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
switch (checkedId) {
case R.id.answer2A:
numOfCard = "1";
break;
case R.id.answer2B:
numOfCard = "2";
break;
case R.id.answer2C:
numOfCard = "3";
break;
}
}
});
RadioGroup pos = (RadioGroup) findViewById(R.id.answer3);
pos.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
switch (checkedId) {
case R.id.answer3A:
diffOfPos = "1";
break;
case R.id.answer3B:
diffOfPos = "2";
break;
case R.id.answer3C:
diffOfPos = "3";
break;
}
}
});
btnAddPrediction = (Button) findViewById(R.id.submit);
btnAddPrediction.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
new AddNewPrediction().execute(numOfGoal, numOfCard, diffOfPos);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
private class AddNewPrediction extends AsyncTask<String, Void, Void> {
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected Void doInBackground(String... arg) {
// TODO Auto-generated method stub
String goalNo = arg[0];
String cardNo = arg[1];
String posDiff = arg[2];
// Preparing post params
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("goalNo", goalNo));
params.add(new BasicNameValuePair("cardNo", cardNo));
params.add(new BasicNameValuePair("posDiff", posDiff));
serviceHandler serviceClient = new serviceHandler();
String json = serviceClient.makeServiceCall(URL_NEW_PREDICTION,
serviceHandler.POST, params);
// Log.d("Create Prediction Request: ", "> " + json);
if (json != null) {
try {
JSONObject jsonObj = new JSONObject(json);
boolean error = jsonObj.getBoolean("error");
// checking for error node in json
if (!error) {
// new category created successfully
// Log.e("Prediction added successfully ",
// "> " + jsonObj.getString("message"));
} else {
// Log.e("Add Prediction Error: ",
// "> " + jsonObj.getString("message"));
}
} catch (JSONException e) {
e.printStackTrace();
}
} else {
// Log.e("JSON Data", "JSON data error!");
}
return null;
}
@Override
protected void onPostExecute(Void result) {
super.onPostExecute(result);
}
}}
的ServiceHandler
public class serviceHandler {
static InputStream is = null;
static String response = null;
public final static int GET = 1;
public final static int POST = 2;
public serviceHandler() {
}
public String makeServiceCall(String url, int method) {
return this.makeServiceCall(url, method, null);
}
public String makeServiceCall(String url, int method,
List<NameValuePair> params) {
try {
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpEntity httpEntity = null;
HttpResponse httpResponse = null;
if (method == POST) {
HttpPost httpPost = new HttpPost(url);
if (params != null) {
httpPost.setEntity(new UrlEncodedFormEntity(params));
}
httpResponse = httpClient.execute(httpPost);
} else if (method == GET) {
if (params != null) {
String paramString = URLEncodedUtils
.format(params, "utf-8");
url += "?" + paramString;
}
HttpGet httpGet = new HttpGet(url);
httpResponse = httpClient.execute(httpGet);
}
httpEntity = httpResponse.getEntity();
is = httpEntity.getContent();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(
is, "UTF-8"), 8);
StringBuilder sb = new StringBuilder();
String line = null;
while ((line = reader.readLine()) != null) {
sb.append(line + "\n");
}
is.close();
response = sb.toString();
} catch (Exception e) {
// Log.e("Buffer Error", "Error: " + e.toString());
}
return response;
}}
的config.php
<?php
// Database configuration
define('DB_USERNAME', 'root');
define('DB_PASSWORD', '');
define('DB_HOST', 'localhost');
define('DB_NAME', 'wcdb');
?>
DbConnect.php
<?php
class DbConnect {
private $conn;
function __construct() {
// connecting to database
$this->connect();
}
function __destruct() {
$this->close();
}
function connect() {
include_once dirname(__FILE__) . './Config.php';
$this->conn = mysql_connect(DB_HOST, DB_USERNAME, DB_PASSWORD) or die (mysql_error());
mysql_select_db(DB_NAME) or die(mysql_error());
// returing connection resource
return $this->conn;
}
// Close function
function close() {
// close db connection
mysql_close($this->conn);
}
}
?>
new_predict.php
<?php
include_once './DbConnect.php';
function createNewPrediction() {
$response = array();
$goalNum = $_POST["goalNo"];
$cardNum = $_POST["cardNo"];
$posDiff = $_POST["posDiff"];
$db = new DbConnect();
// mysql query
$query = "INSERT INTO prediction(goalNum,cardNum,posDiff) VALUES('$goalNum','$cardNum','$posDiff')";
$result = mysql_query($query) or die(mysql_error());
if ($result) {
$response["error"] = false;
$response["message"] = "Prediction added successfully!";
} else {
$response["error"] = true;
$response["message"] = "Failed to add prediction!";
}
// echo json response
echo json_encode($response);
}
createNewPrediction();
?>