Detailed explanation of the steps to operate mongoDB database with tp5 (thinkPHP5)

This time I will bring you a detailed explanation of the steps to operate the mongoDB database with tp5 (thinkPHP5). What are the precautions for operating the mongoDB database with tp5 (thinkPHP5)? The following is a practical case, let's take a look.

1. Install through composer

composer require mongodb/mongodb

2. Use

<?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';
  }
}

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