tp6 mongodb 连表(分页,排序,条件)查询

<?php

namespace app\study\controller\study_a;

use think\facade\View;
use think\facade\Db;
use think\paginator\driver\Bootstrap;
use app\common\controller\MobileBaseA;
#  https://www.cnblogs.com/cangqinglang/p/14783971.html
class Mongodb