The Swoole\Exception class (PECL swoole >= 1.9.0) 简介 类摘要 class Swoole\Exception extends Exception implements Throwable { /* 继承的属性 */ protected string $message = ""; private string $string = ""; protected int $code; protected string $file = ""; protected int $line; private array $trace = []; private ?Throwable $previous = null; }