我刚刚用纤薄的框架创建了一个 API 应用程序,最初,在我的代码中,我使用依赖容器来处理抛出的所有异常,代码如下。
//Add container to handle all exceptions/errors, fail safe and return json
$container['errorHandler'] = function ($container) {
return function ($request, $response, $exception) use ($container) {
//Format of exception to return
$data = [
'message' => $exception->getMessage()
];
return $container->get('response')->withStatus(500)
->withHeader('Content-Type', 'application/json')
->write(json_encode($data));
};
};
但是,与其一直抛出 500 Server Error
,我还想添加其他 HTTPS 响应代码。我想知道我是否可以获得有关如何做到这一点的帮助。
public static function decodeToken($token)
{
$token = trim($token);
//Check to ensure token is not empty or invalid
if ($token === '' || $token === null || empty($token)) {
throw new JWTException('Invalid Token');
}
//Remove Bearer if present
$token = trim(str_replace('Bearer ', '', $token));
//Decode token
$token = JWT::decode($token, getenv('SECRET_KEY'), array('HS256'));
//Ensure JIT is present
if ($token->jit == null || $token->jit == "") {
throw new JWTException('Invalid Token');
}
//Ensure User Id is present
if ($token->data->uid == null || $token->data->uid == "") {
throw new JWTException("Invalid Token");
}
return $token;
}
问题更多地来自上述函数,因为 slim 框架决定隐式处理所有异常,我无法访问使用 try catch
来捕获任何错误
没那么难,很简单。重写代码:
container['errorHandler'] = function ($container) {
return function ($request, $response, $exception) use ($container) {
//Format of exception to return
$data = [
'message' => $exception->getMessage()
];
return $container->get('response')->withStatus($response->getStatus())
->withHeader('Content-Type', 'application/json')
->write(json_encode($data));
};
}
那么这段代码有什么作用呢?您基本上像以前一样传递$response
,此代码的作用是它从$response
对象获取状态代码并将其传递给withStatus()
方法。
用于引用状态的苗条文档。
您可以使用
Slim'Http'Response
对象的withJson()
方法
class CustomExceptionHandler
{
public function __invoke(Request $request, Response $response, Exception $exception)
{
$errors['errors'] = $exception->getMessage();
$errors['responseCode'] = 500;
return $response
->withStatus(500)
->withJson($errors);
}
}
如果你正在使用依赖注入,你可以这样做
$container = $app->getContainer();
//error handler
$container['errorHandler'] = function (Container $c) {
return new CustomExceptionHandler();
};