[英]POST data not sent when using volley stringreuqest
我仍然是android應用程序開發的新手,已經有很長時間了。 我正在嘗試創建一個注冊頁面,但帖子數據未發送。 這是我的代碼:
RegisterActivity
public class RegisterActivity extends AppCompatActivity {
private EditText name, email, password, c_password;
private Button register_button;
private ProgressBar loading;
private static String URL_REGIST = "http://192.168.1.6:7777/androidregistertest/register.php";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
loading = findViewById(R.id.loading);
name = findViewById(R.id.name);
email = findViewById(R.id.email);
password = findViewById(R.id.password);
c_password = findViewById(R.id.c_password);
register_button = findViewById(R.id.register_button);
register_button.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View view) {
Regist();
}
});
}
private void Regist() {
loading.setVisibility(View.VISIBLE);
register_button.setVisibility(View.GONE);
final String name = this.name.getText().toString().trim();
final String email = this.email.getText().toString().trim();
final String password = this.password.getText().toString().trim();
StringRequest stringRequest = new StringRequest(Request.Method.POST, URL_REGIST,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONObject jsonObject = new JSONObject(response);
String success = jsonObject.getString("success");
if (success.equals("1")) {
Toast.makeText(RegisterActivity.this, "Register Success", Toast.LENGTH_SHORT).show();
}
}
catch (JSONException e){
e.printStackTrace();
Toast.makeText(RegisterActivity.this, "Register Error! " + e.toString(), Toast.LENGTH_SHORT).show();
loading.setVisibility(View.GONE);
register_button.setVisibility(View.VISIBLE);
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(RegisterActivity.this, "Register Error 2! " + error.toString(), Toast.LENGTH_SHORT).show();
loading.setVisibility(View.GONE);
register_button.setVisibility(View.VISIBLE);
}
})
{
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> params = new HashMap<>();
params.put("name", name);
params.put("email", email);
params.put("password", password);
return super.getParams();
}
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
}
}
register.php
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$name = $_POST['name'];
$email = $_POST['email'];
$password = $_POST['password'];
$password = password_hash($password, PASSWORD_DEFAULT);
require_once 'connect.php';
$sql = "INSERT INTO logins (name, email, password) VALUES ('".$name."', '".$email."', '".$password."')";
if (mysqli_query($conn, $sql)) {
$result['success'] = "1";
$result['message'] = "success";
echo json_encode($result);
mysqli_close($conn);
}
else {
$result['success'] = "0";
$result['message'] = "error";
}
}
當我單擊注冊按鈕時,響應包含以下錯誤消息,
注意 :未定義的索引:第3行的D:\\ xampp-7 \\ htdocs \\ androidregistertest \\ register.php中的名稱
注意 :未定義的索引:第4行D:\\ xampp-7 \\ htdocs \\ androidregistertest \\ register.php中的電子郵件
注意 :未定義索引:第5行D:\\ xampp-7 \\ htdocs \\ androidregistertest \\ register.php中的密碼
為什么未發送過帳數據?
除了一件事,一切似乎都是正確的,您已將參數添加到Map中,但沒有將其返回到volly進行發送。 您的方法只需一行即可更改
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> params = new HashMap<>();
params.put("name", name);
params.put("email", email);
params.put("password", password);
return super.getParams(); //Change this
return params; //to this
}
最好的祝願。
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