//http://mongodb.github.io/node-mongodb-native/3.0/quick-start/quick-start/ /* nodejs操作mongodb数据库 1.安装mongodb、 cnpm install mongodb --save 2.引入mongodb下面的MongoClient var MongoClient = require(‘mongodb‘).MongoClient; 3.定义数据库连接的地址 以及配置数据库 qianfeng数据库的名称 var url = ‘mongodb://localhost:27017/‘; var dbName = ‘shop‘ 4.nodejs连接数据库 MongoClient.connect(url,function(err,client){ const db = client.db(dbName); 数据库db对象 }) 5.操作数据库 MongoClient.connect(url,function(err,client){ const db = client.db(dbName); 数据库db对象 MongoClient.connect(url,function(err,db){ db.collection(‘user‘).insertOne({"name":"张三"},function(err,result){ db.close() //关闭连接 }) }) }) */ var MongoClient = require(‘mongodb‘).MongoClient; //定义连接数据库的地址 const url = ‘mongodb://localhost:27017/‘; var dbName = ‘shop‘ //连接数据库 MongoClient.connect(url,(err,client)=>{ if(err){ console.log(‘数据连接失败‘); return false; } let db=client.db(dbName); /*获取db对象*/ db.collection("admin").insertOne({"name":"mongodb3.0","age":10},function(err){ if(err){ console.log(‘增加失败‘); return false; } console.log(‘增加成功‘); client.close(); /*关闭数据库*/ }) })
package.json
{ "name": "mongodb30", "version": "1.0.0", "description": "", "main": "mongodb.js", "scripts": { "test": "echo "Error: no test specified" && exit 1" }, "author": "", "license": "ISC", "dependencies": { "mongodb": "^3.0.3" } }