Laravel & Lumen RESTFul API 扩展包：Dingo API（四） -- 错误和异常响应

$api->version('v1', function ($api) {    $api->put('user/{id}', function ($id) {        $user = User::find($id);        if ($user->updated_at > app('request')->get('last_updated')) {            throw new Symfony\Component\HttpKernel\Exception\ConflictHttpException('User was updated prior to your request.');        }        // No error, we can continue to update the user as per usual.    });});

{    "message": "User was updated prior to your request.",    "status_code": 409}

Dingo\Api\Exception\DeleteResourceFailedExceptionDingo\Api\Exception\ResourceExceptionDingo\Api\Exception\StoreResourceFailedExceptionDingo\Api\Exception\UpdateResourceFailedException

$api->version('v1', function ($api) {    $api->post('users', function () {        $rules = [            'username' => ['required', 'alpha'],            'password' => ['required', 'min:7']        ];        $payload = app('request')->only('username', 'password');        $validator = app('validator')->make($payload, $rules);        if ($validator->fails()) {            throw new Dingo\Api\Exception\StoreResourceFailedException('Could not create new user.', $validator->errors());        }        // Create user as per usual.    });});

{    "message": "Could not create new user.",    "status_code": 422,    "errors": {        "username": [            "The username field is required."        ],        "password": [            "The password field is required."        ]    }}

app('Dingo\Api\Exception\Handler')->register(function (Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException $exception) {    return Response::make(['error' => 'Hey, what do you think you are doing!?'], 401);});

{    "error": "Hey, what do you think you are doing!?"}