GlobalMgoSession, err := mgo.Dial(host) func (m *MongoBaseDao) Get(tablename string, id string, result interface{}) interface{} { session := GlobalMgoSession.Clone() defer session.Close() collection := session.DB(globalMgoDbName).C(tablename) err := collection.FindId(bson.ObjectIdHex(...
public MongoClient(MongoClientSettingssettings); public MongoClient(MongoUrl url); public MongoClient(stringconnectionString); 1. 2. 3. 4. 我们通常用的是string字符串的链接,这次对MongoClientSettings进行的深度的查找调用发MongoClientSettings 是可以进行更多的参数设置的,和Option类似,于是找到了解决方案,通过...
//该地址格式:mongodb://[username:password@]host:port/database[?options] //默认port为27017 // mongoose.connect(config.mongod.url, config.mongod.options); mongoose.set('useCreateIndex', true) var db = mongoose.connection; db.on('error', function callback(err) { //监听是否有异常 // co...
var port = mongo.Connection.DEFAULT_PORT; //创建MongoDB数据库所在服务器的Server对象 var server = new mongo.Server(host, port, {auto_reconnect:true}); //创建MongoDB数据库 var db = new mongo.Db('node-mongo-example', server, {saft:true}); //数据库连接操作 db.open(function(err, db){...
创建一个app.js文件,并添加以下代码来连接服务器地址为192.168.0.243,mongodb端口为27017上名称为myNewDatabase的数据库 varMongoClient=require('mongodb').MongoClient,assert=require('assert');// Connection URLvarurl='mongodb://192.168.0.243:27017/myNewDatabase';MongoClient.connect(url,function(err,db...
使用nodejs 访问mongodb 我使用了 express 框架 目录结构 db.js 文件functionconnectionDB(hostname, port) {//注释地方暂时没有使用。是把官方代码照抄下来//var Db = require('mongodb').Db;varMongoClient = require('mongodb').MongoClient;varServer = require('mongodb').Server;//ReplSetServers = ...
昨天介绍了一下MongoDB在shell下的正删改查,今天来讲一下在nodejs中如何连接数据库以及数据的插入!.../表示数据库 //假如数据库不存在,没有关系,程序会帮你自动创建一个数据库 var url = 'mongodb://localhost:27017/haha'; //连接数据库...
mongoose.connect('mongodb://localhost/test'); var db = mongoose.connection; db.on('error', console.error.bind(console, 'connection error:')); db.once('open', function callback () { console.log("DB connected"); // yay! });
打开MondoDB (否则mongoose connection error): $> mongod 3. 打开Redis server: $> redis-server 4. 安装nodemon并配置 $> npm install -g nodemon 在packages.json中: "scripts":{"test":"echo \"Error: no test specified\" && exit 1","mystart":"nodemon --exec babel-node src/GraphQL/index....
mongodb.ts import { MongoClient } from "mongodb"; import { Config } from "@config"; let MongoConnection; console.log(Config); export const MongoDBService = async (): Promise<MongoClient> => { if (MongoConnection) { return MongoConnection; } try { const client = new MongoClient(Config...