如何在 laravel api 中使用护照获取用户 ID？

Question

我正在尝试使用 auth 检索用户 ID

到目前为止我已经尝试过：

public function testfun()
{
    $id = Auth::user()->id;
    return $id;
}

它返回：

ErrorException: Attempt to read property "id" on null

我试过：

public function testfun(Request $request)
{
    return Auth::user()->id;
}

我有同样的错误

我试图将 API 放在中间件中：

Route::group(['middleware' => 'auth:api'], function() {
Route::get('testapi', [RegisterController::class, 'testfun']);
});

并用警卫称呼它：

public function testfun(Request $request)
{
    return auth('api')->user();
}

我有：

Symfony\Component\Routing\Exception\RouteNotFoundException: Route [/login] not defined.

这是 API 的完整路线：

Route::group(['prefix' => 'auth'], function () {
Route::post('login', [RegisterController::class, 'login']);
Route::post('register', [RegisterController::class, 'register']);


Route::group(['middleware' => 'auth:api'], function() {
Route::get('logout', [RegisterController::class, 'logout']);
Route::get('user', [RegisterController::class, 'user']);
Route::post('changePassword', [RegisterController::class, 'changePassword']);
Route::get('testapi', [RegisterController::class, 'testfun']);
});
});

当我将这条路线放在第一组（auth）下时：

Route::get('testapi', [RegisterController::class, 'testfun']);

在 controller 上试试这个：

return auth()->user();

我会收到 200 响应，但没有显示任何内容

这是我的登录 function：

public function login(Request $request)
{
    $request->validate([
    'email' => 'required|string|email',
    'password' => 'required|string',
    ]);

    $credentials = request(['email','password']);
    if(!Auth::attempt($credentials))
    {
    return response()->json([
        'message' => 'Unauthorized'
    ],401);
    }

    $user = $request->user();
    $tokenResult = $user->createToken('Personal Access Token');
    $token = $tokenResult->token;

    if($request->remember_me)
        $token->expires_at = Carbon::now()->addWeeks(1);
    $token->save();

    return response()->json([
        'message'=>'Authorized Successfully!',
        'access_token' => $tokenResult-> accessToken,
        'token_type'=> 'Bearer',
        'expires_at'=> Carbon::parse(
            $tokenResult->token->expires_at
        )->toDateTimeString(),
        'userData' => $this->user($request),
    ]);
}

在上面登录后，我能够在“userData”下看到用户详细信息，如下所示来自 Postman

{
"message": "Authorized Successfully!",
"access_token": "eyJ0eXAiOiJKV1QiLC....",
"token_type": "Bearer",
"expires_at": "2023-12-05 11:18:07",
"userData": {
    "id": 1,
    "fullname": "Admin",
    "email": "admin@gmail.com",
    "roles_id": 2,
    "role": "Admin"
}
}

我什至试图将它单独放在 API 路线中，如下所示：

Route::middleware('auth:api')->get('/usertest', function (Request $request) {
return $request->user()->id;
});

我得到了这个错误：

Symfony\Component\Routing\Exception\RouteNotFoundException: Route [/login] not defined

我一直在尝试获取经过身份验证的用户的 ID，但没有成功

我究竟做错了什么？

Answer 1

回答：

in Postman i had to set this header Accept: application/json otherwise Laravel Passport would never know it's an API client and thus redirect to a /login page for the web. https://stackoverflow.com/a/51681131/19663907

以及 Postman 中的授权（不记名令牌）在登录后将令牌放入其中

并使用 function 如下所示：

public function testfun(Request $request)
{
    $id = $request->user()->id;
    $currentUser = DB::table('users')
        ->select('users.*')
        ->where('id', $id)
        ->get();

        return $currentUser;
}