mes-dc-server-api/application/api/controller/Synchronization.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use think\Db;
use Overtrue\Pinyin;

/**
 * 中间表数据同步
 */
class Synchronization extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];

    public function SynchronizationData()
    {
        if ($this->request->isGet() === false){
            $this->error('请求错误');
        }
        $db2 = Db::connect(config('database.db2'));
        
    }
}