book_admin/application/common/model/BaseRwModel.php

<?php


namespace app\common\model;


use think\Model;
use think\Config;
use think\Request;

class BaseRwModel extends Model
{
    protected $connection = [];
    public function __construct($data = [])
    {
        $rwConfig = Config::get('dbrw');
        $dbrmOpen = $rwConfig['dbrm_open'] ?? false;
        $module = request()->module();
        if ( in_array($module, ['index','api']) && $dbrmOpen ){
            $this->connection = $rwConfig;
        }
        parent::__construct($data);

    }

}