MongoDB connection error: Error: querySrv ETIMEOUT _mongodb._tcp.cluster0-nnezr.mongodb.net at QueryReqWrap.onresolve [as oncomplete] (dns.js:203:19) { errno: undefined, code: 'ETIMEOUT', syscall: 'querySrv', hostname: '_mongodb._tcp.cluster0-nnezr.mongodb.net' } (node:38...
mongoose.connection.on('error',function (err) { console.log('Mongoose connection error: ' + err); }); /** * 连接断开 */ mongoose.connection.on('disconnected', function () { console.log('Mongoose connection disconnected'); }); 调用node db.js执行就会看到输出如下图 从代码中可以看出,监听...
最后在项目级目录下安装mongoose,安装过程自行百度~ 安装成功后可在node_modules下看见mongoose文件夹 接下来我们测试数据库是否连同: 新建一个models的文件夹,在这里我们对表进行操作(新建表,引用表) 在models下新建index.js: varmongoose = require("mongoose"); mongoose.connect("mongodb://localhost:27017/blogDa...
我在NodeJS上通过mongoose v5.7.1连接到NodeJS,需要获取连接的主机和端口,但是当我尝试这样做时,TypeScript会引发“TypeScript在‘Connection’. to (2339)类型上不存在‘TypeScript’属性‘”: import mongoose from "mongoose" ... private database: typeof mongoose ... database = await mongoose.connect(mo...
db.connection.on("open", function () { console.log("——数据库连接成功!——"); }); // Schema 结构 var vipSchema = new mongoose.Schema({ name : {type : String, default : 'java'}, addr : {type : String}, addTime : {type : Date, default: Date.now}, ...
Mongoose是一个优秀的MongoDB对象建模工具,它在Node.js环境中使用,可以帮助开发人员更轻松地与MongoDB数据库进行交互。连接最新版本的Mongoose可以按照以下步骤进行: 1...
数据库成功打开后: 在js文件中写入: 'use strict'; const mongoose = require('mongoose'); mongoose.connect('mongodb://localhost:27017/test'); const con = mongoose.connection; con.on('error', console.error.bind(console, '连接数据库失败')); ...
https://mongoosejs.com/docs/connections.html#buffering Mongoose lets you start using your models immediately, without waiting for mongoose to establish a connection to MongoDB. That's because mongoose buffers model function calls internally. This buffering is convenient, but also a common source o...
看一下实际代码，db/mini/connect.js var mongoose = require("mongoose");var db = mongoose.connect("mongodb://127.0.0.1:27017/db_helloworld"); db.connection.on("error", function (error) { console.log("数据库连接失败：" + error); }); db.connection.on("open", function () { ...
在需要使用的js文件中引入模块。 var mongoose = require('mongoose'); 连接数据库 var db = mongoose.connect('mongodb://localhost/mongodb'); URL以mongodb:// + [用户名:密码@] +数据库地址[:端口] + 数据库名。(默认端口27017)需要对连接状况进行判断,可以用以下代码: db.connection.on("error", ...