我有两个表
T1“用户”：user_id（PK＆Autoincrement）|名称|电邮|密码成绩
和
T2“得分”：user_id（FK＆AI）|数学|信息
到目前为止，我的php文件如下所示：
<?php
$connect = mysqli_connect("localhost", "id6777294_l2w", "123l2w456", "id6777294_l2w");
if(isset($_POST["name"]) && isset($_POST["email"]) && isset($_POST["password"]) && isset($_POST["grade"])){
$name = $_POST["name"];
$email = $_POST["email"];
$password = $_POST["password"];
$grade = $_POST["grade"];
}
$statement = mysqli_prepare($connect, "INSERT INTO user(name, email, password, grade) VALUES (?, ?, ?, ?)");
mysqli_stmt_bind_param($statement, "sssi", $name, $email, $password, $grade);
mysqli_stmt_execute($statement);
$response = array();
$response["success"] = true;
echo json_encode($response);
?>
这是我的客户端（Android）最初的StringRequest
public class RegisterRequest extends StringRequest {
private static final String REGISTER_REQUEST_URL = "http://*****************/Register.php";
private Map<String, String> params;
public RegisterRequest(String name, String email, String password, int grade,
Response.Listener<String> listener){
super(Request.Method.POST, REGISTER_REQUEST_URL, listener, null);
params = new HashMap<>();
params.put("name", name);
params.put("email", email);
params.put("password", password);
params.put("grade", grade + "");
}
@Override
public Map<String, String> getParams() {
return params;
}
}
和活动
public class RegisterActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
final EditText nameID = (EditText) findViewById(R.id.nameID);
final EditText emailID = (EditText) findViewById(R.id.emailID);
final EditText passwordID = (EditText) findViewById(R.id.passwordID);
final EditText gradeID = (EditText) findViewById(R.id.gradeID);
final Button registerbtn = (Button) findViewById(R.id.registerbtn);
registerbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final String name = nameID.getText().toString();
final String email = emailID.getText().toString();
final String password = passwordID.getText().toString();
final int grade = Integer.parseInt(gradeID.getText().toString());
//now we need a String Listener for the constructor
Response.Listener<String> responseListener = new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONObject jsonResponse = new JSONObject(response);
boolean success = jsonResponse.getBoolean("success");
if (success){
startLoginActivity();
}else {
AlertDialog.Builder builder = new AlertDialog.Builder(RegisterActivity.this);
builder.setMessage("Registrierung fehlgeschlagen").setNegativeButton("Wiederhole",null).create().show();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
};
RegisterRequest registerRequest = new RegisterRequest(name, email, password, grade, responseListener);
RequestQueue queue = Volley.newRequestQueue(RegisterActivity.this);
queue.add(registerRequest);
}
});
}
private void startLoginActivity(){
Intent intent = new Intent(RegisterActivity.this, LoginActivity.class);
RegisterActivity.this.startActivity(intent);
}
}
此代码可以正常工作，并通过注册插入新用户。但是现在我要通过php文件填写两个表，分别是一个用户和他的得分（与PK / FK user_id有关）。
任何人都可以帮助我，我被困在这里。我不知道如何更改php文件和Java代码。