php/vendor/topthink/think-swoole/src/pool/Db.php

<?php

namespace think\swoole\pool;

use think\Config;
use think\db\ConnectionInterface;
use think\swoole\pool\proxy\Connection;

/**
 * Class Db
 * @package think\swoole\pool
 * @property Config $config
 */
class Db extends \think\Db
{

    protected function createConnection(string $name): ConnectionInterface
    {
        return new Connection(function () use ($name) {
            return parent::createConnection($name);
        }, $this->config->get('swoole.pool.db', []));
    }

    protected function getConnectionConfig(string $name): array
    {
        $config = parent::getConnectionConfig($name);

        //打开断线重连
        $config['break_reconnect'] = true;
        return $config;
    }

}