我想在phpmyadmin中将我的应用程序android中的值插入数据库， 我调试了我的应用程序，我认为数据已经退出了应用程序。 我认为问题可能出在PHP文件或数据库中
Java代码
public class SignUp extends Fragment {
EditText fName, lName, userName, mail, pass;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.activity_photographer_sign_up,container, false);
fName = (EditText)view.findViewById(R.id.fname);
lName = (EditText)view.findViewById(R.id.lname);
userName = (EditText)view.findViewById(R.id.username);
mail = (EditText)view.findViewById(R.id.email);
pass = (EditText)view.findViewById(R.id.password);
Button btn=(Button)view.findViewById(R.id.btn);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
PhotographerSignUp.Register(getContext(),fName.getText().toString(),lName.getText().toString(),userName.getText().toString(),mail.getText().toString(),pass.getText().toString());
}
});
return view;
}
public static void Register(Context context, String firstname, String lastname, String username, String mail, String password){
HashMap<String,String> h = new HashMap<String,String>();
h.put("fName",firstname);
h.put("lName",lastname);
h.put("userName",username);
h.put("mail",mail);
h.put("pass",password);
PhotographerSignUp.dopost(context,"http://localhost/client/insert.php",h);
}
static void dopost(final Context context, final String url, final HashMap<String ,String> params){
new AsyncTask<Void,Void,String>()
{
ProgressDialog progressDialog;
@Override
protected void onPreExecute() {
progressDialog = new ProgressDialog(context);
progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
progressDialog.setMessage("Loading....");
progressDialog.show();
super.onPreExecute();
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
if (s!=null) { progressDialog.hide();}
}
@Override
protected String doInBackground(Void... voids) {
try {
URL UrlConnection = new URL(url);
HttpURLConnection urlConnection = (HttpURLConnection) UrlConnection.openConnection();
try {
urlConnection.setDoInput(true);
urlConnection.setDoOutput(true);
urlConnection.setRequestMethod("POST");
OutputStream os = urlConnection.getOutputStream();
BufferedWriter writer = new BufferedWriter(
new OutputStreamWriter(os, "UTF-8"));
for(String key : params.keySet())
{
writer.write(key+"="+params.get(key)+"&");
}
writer.flush();
writer.close();
os.close();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
StringBuilder stringBuilder = new StringBuilder();
String line;
while ((line = bufferedReader.readLine()) != null) {
stringBuilder.append(line).append("\n");
}
bufferedReader.close();
return stringBuilder.toString();
}
finally{
urlConnection.disconnect();
}
}
catch(Exception e) {
Log.e("ERROR", e.getMessage(), e);
// return null;
}
return "";
}
}.execute();
}
}
将应用程序与数据库连接的PHP代码
connection.php
<?php
define('hostname', 'localhost');
define('user', 'root');
define('password', '');
define('databaseName', 'test');
$connect = mysqli_connect(hostname, user, password, databaseName);
?>
insert.php
<?php
if($_SERVER["REQUEST_METHOD"]=="POST"){
require 'connection.php';
createStudent();
}
function createStudent()
{
global $connect;
$fName = $_POST["fName"];
$lName = $_POST["lName"];
$userName = $_POST["username"];
$mail = $_POST["mail"];
$pass = $_POST["pass"];
$query = " Insert into info(fName,lName,userName,mail,pass) values
('$fName','$lName','$userName','$mail','$pass');";
mysqli_query($connect, $query) or die (mysqli_error($connect));
mysqli_close($connect);
}
?>
