try {
if (empty($config['dsn'])) {
$config['dsn'] = $this->parseDsn($config);
}
if ($config['debug']) {
$startTime = microtime(true);
}
$this->links[$linkNum] = new PDO($config['dsn'], $config['username'], $config['password'], $params);
if ($config['debug']) {
// 记录数据库连接信息
$this->log('[ DB ] CONNECT:[ UseTime:' . number_format(microtime(true) - $startTime, 6) . 's ] ' . $config['dsn']);
}
return $this->links[$linkNum];
} catch (\PDOException $e) {
if ($autoConnection) {