PDOException 没有被捕获?

2021-12-26 00:00:00 exception-handling exception php pdo try-catch

我在 PHP 中遇到以下错误:

I'm getting the following error in PHP:

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2003] Can't connect to MySQL server on 'localhost' (10061)' in C:xampphtdocsprojectServiceDatabase.class.php:26 Stack trace: #0 C:xampphtdocsprojectServiceDatabase.class.php(26): PDO->__construct('mysql:host=loca...', 'root', '', Array) #1 C:xampphtdocsprojectServiceDatabase.class.php(54): ServiceDatabase::initialize() #2 C:xampphtdocsprojectindex.php(15): ServiceDatabase::getHandler() #3 {main} thrown in C:xampphtdocsprojectServiceDatabase.class.php on line 26

错误本身不是问题，我故意终止了MySQL服务在 Windows 中查看发生了什么(我正在使用 XAMPP).问题是我无法捕捉到 PDO 的异常对象抛出，我不知道为什么.

The error itself is not the problem, I intentionally terminated the MySQL service in Windows to see what happened (I'm using XAMPP). The problem is that I'm unable to catch the exception that the PDO object throws and I don't know why.

try {
    $host       = "localhost";
    $dbname     = "project";
    $userName   = "root";
    $password   = "";
    $charset    = "utf8";
    $dsn        = "mysql:host=$host;dbname=$dbname;charset=$charset";

    $driverOptions = array(
        PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES $charset"
    );

    // This is the line that supposedly throws the exception (LINE 26):
    $dbh = new PDO($dsn, $userName, $password, $driverOptions);

    $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    self::setHandler($dbh);
} catch (PDOException $e) {
    die("CATCHED"); // This line is never reached
} catch (Exception $e) {
    die("CATCHED"); // nor this one.
}

我在这里遗漏了什么?

推荐答案

我唯一能想到的是如果你在一个命名空间的类中，并且应该使用 PDOException 而不是 >PDOException.

The only thing I can think of is if you're inside a namespaced class, and should use PDOException instead of PDOException.

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