关于警告 DeprecationWarning: current URL string parser is deprecated, and will be removed in a future version. To use the new parser, pass option { useNewUrlParser: true } to MongoClient.connect.的正确解决方法如下:
添加{useNewUrlParser:true}
var MongoClient = require('mongodb').MongoClient
var url = 'mongodb://localhost:27017/testdb'// 数据库地址
module.exports = {
getDB: function (callback) {
MongoClient.connect(url, {useNewUrlParser:true}, function (err, db) {
callback(db)
})
}
}