应用没有任何物品插入数据库

Question

我无法找出什么毛病以下，这是我的PHP代码：

<?php 
include_once 'dbconnect.php'; 
if($_SERVER['REQUEST_METHOD']=='POST'){ 

$number= $_POST['number']; 
$name = $_POST['name']; 
$city = $_POST['city']; 
$street = $_POST['street']; 
$building = $_POST['building']; 
$email = $_POST['email']; 

$password = $_POST['pass']; 

if($number=='' || $name=='' || $city=='' || $street=='' || $building=='' || $email=='' || $password=='') 
{ 
echo 'Please Fill All Fields'; 
} 

else { 
$query = "SELECT * from account WHERE number = '$number' "; 
$check = mysqli_fetch_array(mysqli_query($mysqli, $query)); 

if(isset($check)) 
{ 
    echo 'Account already exists'; 
} 
else { 
    $query="INSERT INTO account (number,name,city,street,building,email,password) " 
      . "VALUES('$number','$name','$city','$street','$building','$email','$password')"; 

    if(mysqli_query($mysqli,$query)){ 
     echo "Succesfully Registered."; 
    } 

else { 
echo 'Something went wrong, Please try again later.'; 
} 
} 
mysqli_close($mysqli); 
} 

} 
else { 
echo 'Error'; 
} 
?> 

我注册的Android类：

public class register extends AppCompatActivity implements View.OnClickListener{ 

EditText rgNumber,rgPass,rgName,rgCity,rgBuilding,rgStr,rgEmail,rgPass2; 
Button bRegister,bCancel; 

private static final String RegisterURL="http://hssolutions.tk/ibd/includes/register_user.php"; 
@Override 
public void onClick(View v) { 
    switch (v.getId()){ 

     case R.id.bRegister: 
      String password= rgPass.getText().toString().trim(); 
      String password2 = rgPass2.getText().toString().trim(); 
      if(password.equals(password2)){ 
       registerUser(); 

      } 

      else{ 
       showErrorMessage("Passwords don't match."); 
      } 

    } 
} 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_register); 

    rgNumber = (EditText) findViewById(R.id.rgNumber); 
    rgPass = (EditText) findViewById(R.id.rgPass); 
    rgName = (EditText) findViewById(R.id.rgName); 
    rgBuilding = (EditText) findViewById(R.id.rgBlding); 
    rgCity = (EditText) findViewById(R.id.rgCity); 
    rgStr= (EditText) findViewById(R.id.rgStr); 
    rgEmail = (EditText) findViewById(R.id.rgEmail); 
    rgPass2 = (EditText) findViewById(R.id.rgPass2); 
    bRegister = (Button) findViewById(R.id.bRegister); 
    bCancel = (Button) findViewById(R.id.bCancel); 

    bRegister.setOnClickListener(this); 

} 

private void showErrorMessage(String error){ 
    AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(register.this); 
    dialogBuilder.setMessage(error); 
    dialogBuilder.setPositiveButton("OK", null); 
    dialogBuilder.show(); 
} 


private void registerUser(){ 
    String number = rgNumber.getText().toString().trim(); 
    String name = rgName.getText().toString().trim(); 
    String city = rgCity.getText().toString().trim(); 
    String building = rgBuilding.getText().toString().trim(); 
    String street= rgStr.getText().toString().trim(); 
    String email= rgEmail.getText().toString().trim(); 
    String password= rgPass.getText().toString().trim(); 

    register(number,name,city,building,street,email,password); 
} 
private void register(String number, String name, String city, String building, String street, String email, String password){ 

    class RegisterUser extends AsyncTask<String,Void,String> 
    { 
     ProgressDialog loading; 
     RegisterUserClass ruc=new RegisterUserClass(); 

     @Override 
     protected void onPreExecute() { 
      super.onPreExecute(); 
      loading = ProgressDialog.show(register.this,"Please Wait",null,true,true); 
     } 

     @Override 
     protected void onPostExecute(String s) { 
      super.onPostExecute(s); 
      loading.dismiss(); 
      Toast.makeText(getApplicationContext(),s,Toast.LENGTH_LONG).show(); 
     } 

     @Override 
     protected String doInBackground(String... params) { 

      HashMap<String,String> data=new HashMap<String,String>(); 
      data.put("number",params[0]); 
      data.put("name",params[1]); 
      data.put("city",params[2]); 
      data.put("street",params[3]); 
      data.put("building",params[4]); 
      data.put("email",params[5]); 
      data.put("pass",params[6]); 

      String result = ruc.sendPostRequest(RegisterURL,data); 
      return result; 

     } 
    } 

    RegisterUser ru= new RegisterUser(); 
    ru.execute(number,name,city,street,building,email,password); 
} 
} 

和登记应发送请求的类：

public class RegisterUserClass { 

public String sendPostRequest(String requestURL, HashMap<String, String> postDataParams){ 
    URL url; 
    String response= ""; 

    try 
    { 
     url= new URL(requestURL); 

     HttpURLConnection con= (HttpURLConnection)url.openConnection(); 
     con.setReadTimeout(15000); 
     con.setConnectTimeout(15000); 
     con.setRequestMethod("POST"); 
     con.setDoInput(true); 
     con.setDoOutput(true); 

     OutputStream os= con.getOutputStream(); 
     BufferedWriter writer=new BufferedWriter(new OutputStreamWriter(os,"UTF-8")); 

     writer.write(getPostDataString(postDataParams)); 
     writer.flush(); 
     writer.close(); 

     os.close(); 

     int responseCode = con.getResponseCode(); 
     if(responseCode == HttpURLConnection.HTTP_OK) 
     { 
      BufferedReader reader= new BufferedReader(new InputStreamReader(con.getInputStream())); 
      response=reader.readLine(); 
     } 
    } 
    catch (Exception e) 
    { 
     e.printStackTrace(); 
    } 

    return response; 
} 

private String getPostDataString(HashMap<String,String> params) throws UnsupportedEncodingException 
{ 
    StringBuilder result= new StringBuilder(); 
    boolean first = true; 
    for(Map.Entry<String,String> entry:params.entrySet()){ 
     if(first) 
     { 
      first=false; 
     } 
     else 
     { 
      result.append("&"); 
     } 

     result.append(URLEncoder.encode(entry.getKey(),"UTF-8")); 
     result.append("="); 
     result.append(URLEncoder.encode(entry.getValue(),"UTF-8")); 
    } 

    return result.toString(); 
} 
} 

应用程序未显示错误，但吐司返回空，而数据库没有插入任何东西，我逻辑上追溯了代码，但仍然无法找到错误。

Answer 1

在这里，假设只有线可能是问题，

if(responseCode == HttpURLConnection.HTTP_OK) 
    { 
     BufferedReader reader= new BufferedReader(new InputStreamReader(con.getInputStream())); 
     response=reader.readLine(); 
    } 

，你可以改成这样：

if (responseCode == HttpsURLConnection.HTTP_OK) { 
      String line; 
      BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream())); 
      while ((line = br.readLine()) != null) { 
       response += line; 
      } 
     } else { 
      response = null; 

     }