# PDOException 异常类

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

## 简介

代表一个由 PDO 产生的错误。在自己的代码不应抛出一个 PDOException 异常。关于 PHP 异常的更多信息请参见 异常 。

## 类摘要

class PDOException extends RuntimeException {
/* 属性 */
protected int|string $code;
public ?array $errorInfo = null;
/* 继承的属性 */
protected string $message = "";
private string $string = "";
protected string $file = "";
protected int $line;
private array $trace = [];
private ?Throwable $previous = null;
/* 继承的方法 */
public function Exception::__construct(string `$message` = "", int `$code` = 0, ?Throwable `$previous` = `null`)
final public function Exception::getMessage(): string
final public function Exception::getPrevious(): ?Throwable
final public function Exception::getCode(): int
final public function Exception::getFile(): string
final public function Exception::getLine(): int
final public function Exception::getTrace(): array
final public function Exception::getTraceAsString(): string
public function Exception::__toString(): string
private function Exception::__clone(): void
}

## 属性

errorInfo

  相当于 PDO::errorInfo() 或 PDOStatement::errorInfo()

code

  `SQLSTATE` 错误码。用 Exception::getCode() 来访问。

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