在Laravel中返??回JSON回應以通過API進行重復的電子郵件登錄-有解無憂

這是我的 API 注冊方法，用于將新用戶注冊到資料庫中。

public function register(Request $request)
    {
        $user = new User();
        $user->name = $request->input('name');
       $user->email = $request->input('email');
        $user->password = Hash::make($request->input('password'));
        if($user->save()){
           response (['result' => true]);
        }
        return response(['result' => false,]);
    }

現在，當我使用同一個電子郵件 ID 注冊時，出現如下錯誤

Illuminate\Database\QueryException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '[email protected]' for key 'users_email_unique' (SQL: insert into `users` (`name`, `email`, `password`, `updated_at`, `created_at`) values (Pramod, [email protected], y$WJJrNjB8K/jGSXpPagVjSujZcifKXrzs3gnvPcjSK3W1c.IekaBna, 2021-12-16 07:46:56, 2021-12-16 07:46:56))

我想在重復的電子郵件注冊中得到錯誤的結果回應

uj5u.com熱心網友回復：

您可以使用 Exists 添加驗證：示例： $user->where('email',$request->input('email'))->exists()

請參閱以下代碼：

public function register(Request $request)
{
   $user = new User();
   if(!$user->where('email',$request->input('email'))->exists()){
      $user->name = $request->input('name');
      $user->email = $request->input('email');
      $user->password = Hash::make($request->input('password'));
      if($user->save()){
        return response(['result' => true]);
      }else{
        return response(['result' => false]);
      }
   }
   return response(['result' => false,]);
}

uj5u.com熱心網友回復：

您可以使用 Laravel 驗證：

public function register(Request $request)
    {
        $validated = $request->validate([
            'email' => 'required|unique:users',
        ]);

    if($validation->fails()){
        return response()->json($validation->errors());
    }

        $user = new User();
        $user->name = $request->input('name');
        $user->email = $request->input('email');
        $user->password = Hash::make($request->input('password'));
        if($user->save()){
           return response (['result' => true]);
        }
        return response(['result' => false,]);
    }

uj5u.com熱心網友回復：

您可以使用表單請求。

https://laravel.com/docs/8.x/validation#form-request-validation

或者你可以使用以下

public function register(Request $request){
    $data = $request->validate([
        'email'     => 'required|email|unique:users',
        'name'      => 'required|string',
        'password'  => 'required|string'
    ]);

    $data['password'] = bcrypt($data['password']);

    try {
        User::create($data);
        return response()->json([
            'message' => __('User created'),
            'result'  => true
        ]);
    }catch (\Exception $exception){
        return response()->json([
            'message' => $exception->getMessage(),
            'result'  => false
        ]);
    }
}

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標籤：php 拉拉维尔 laravel-8

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