tp5(thinkPHP5)操作mongoDB数据库的方法

composer require mongodb/mongodb

<?php/** * @author: jim * @date: 2017/11/17 */namespace app/index/controller;use think/Controller;use MongoDB/Driver/Manager;use MongoDB/Collection;class MongoTest extends Controller{  protected $mongoManager;  protected $mongoCollection;  public function __construct()  {    $this->mongoManager = new Manager($this->getUri());    $this->mongoCollection = new Collection($this->mongoManager, "mldn","dept");  }  public function test() {    // 读取一条数据    $data = $this->mongoCollection->findOne();    print_r($data);  }  protected function getUri()  {    return getenv('MONGODB_URI') ?: 'mongodb://127.0.0.1:27017';  }}