nodejs连接MongoDB数据库运行时报错：(node:2728) DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version.

错误提示如下：(node:2728) DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version. To use the new Server Discover and Monitoring engine, pass option { useUnifiedTopology: true } to the MongoClient constructor.

 运行台报错如下

 解决方案：

 

 如图中红色标记，添加提示的内容，问题解决啦

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原文地址：https://www.cnblogs.com/zhangyezi/p/13844756.html