nodejs如何实现数据库增删改查

<code class="ts">const MongoClient = require(\'<a style="color:#f60; text-decoration:underline;" href="https://www.php.cn/zt/16002.html" target="_blank">mongodb</a>\').MongoClient;
const url = \'mongodb://localhost:27017\';
const client = new MongoClient(url);