mongoUrl += `${mongodbConfig.host}:${mongodbConfig.port}`; mongoUrl += `/${dbName}`; return mongoUrl; } /** * 创建 Mongo 连接,内部维护了一个连接池,全局共享 */ console.log(new Date().getTime()) let mongoClient = mongoose.createConnection(getMongoUrl(), getMongodbConfig()); /...
const ObjectId = require('mongodb').ObjectId; const mongoConnectionPool = new MongoConnectionPool('mongodb://localhost:27017/yourdb'); mongoConnectionPool.create(30).then( conn => { console.log('创建完成'); let db = conn('as'); db.collection('account').findOne({x: 'A'}, (err,re...
const { MONGO }= require('../config/default')//无账号登录let url = 'mongodb://' + MONGO.HOST + ':' + MONGO.PORT + '/'//有账号登录,对于有特殊字符的密码需要 encodeURIComponentif(MONGO.USERNAME &&MONGO.PASSWORD) { url= 'mongodb://' + MONGO.USERNAME + ':' +encodeURIComponent(MO...
21 MongoError: command find requires authentication at Connection.<anonymous> (/home/Map/node_modules/mongodb-core/lib/connection/pool.js:443:61) at Connection.emit (events.js:310:20) at processMessage (/home/Map/node_modules/mongodb-core/lib/connection/connection.js:364:10) at Socket.<anon...
const { MongoClient } = require('mongodb'); const uri = 'your_mongodb_connection_string'; const client = new MongoClient(uri, { useNewUrlParser: true, useUnifiedTopology: true, maxPoolSize: 10, // 连接池的最大连接数 maxIdleTimeMS: 30000 // 设置最大空闲时间为30秒 }); async funct...
{ "mongodb": { "m_database": "myTest", "m_collectionname": "carts", "m_filterfilds": { "version" : "2.0" }, "m_returnfilds": { "cName": 1, "cPrice": 1, "cImgSrc": 1 }, "m_connection": { "m_servers": [ "localhost:29031", "localhost:29032", "localhost:29033" ...
因公司需要选用elasticsearch做全文检索,持久化存储选用的是mongodb,但是希望mongodb里面的数据发生改变可以实时同步到elasticsearch上,一开始主要使用elasticsearch v1.7.2的版本,mongo-river可以搞定这个问题。随着elasticsearch的升级,发现elasticsearch已经放弃了mongo-river,咋整...Google之后发现一神器mongo-connector,国外大神...
//www.npmjs.com/package/mariadb...,Github仓库地址为:https://github.com/mariadb-corporation/mariadb-connector-nodejs Node.js连接器入门 MariaDB Node.js...您可以使用npm安装它: $ npm install mariadb 在2017之前使用ECMAScript: const mariadb = require('mariadb'); const pool...提供回调API是...
在Node.js中,常见的数据库有MySQL、MongoDB、Redis等。下面是各类数据库常用方法的封装示例。 MySQL数据库常用方法封装示例: const mysql = require('mysql'); // 创建连接池 const pool = mysql.createPool({ host: 'localhost', user: 'root', password: 'password', database: 'mydb', connectionLimit...
connect('mongodb://127.0.0.1:27017/temp',{ useNewUrlParser: true, useUnifiedTopology: true }) var db=mongoose.connection db.on('error',function(){ console.log('监听错误'); }) // 监听mogodb是否连接成功 db.once('open',function(){ console.log('数据库连接成功'); }) // 我们编写的...