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noDEjs mongoDB查询

nodejs操作mongodb查询所有数据的方法: var MongoClient = require('mongodb').MongoClient;var DB_CONN_STR = 'mongodb://localhost:27017/wilsondb1'; var selectData = function(db, callback) { //连接到表 var collection = db.collection...

nodejs操作mongodb查询所有数据的方法: var MongoClient = require('mongodb').MongoClient; var DB_CONN_STR = 'mongodb://localhost:27017/wilsondb1'; var selectData = function(db, callback) { //连接到表 var collection = db.collectio...

标准的js对象访问过程,以newPeople为例,访问phone:varphone=newPeople.friend[0].phone;赋值类似。这种数组类型的内置文档,mongodb中有专门操作的API,可以操作数组的元素。

加*号的是我添加的代码,没有测试过,你自己测一下,测的时候把*号删了 for (a=0;a

var mongodb = require('mongodb');var server = new mongodb.Server('localhost',27017,{auto_reconnect:true});var db = new mongodb.Db('mydb',server,{safe:true});db.open(function(err,db){ if(!err) { db.collection('mycoll',{safe:true...

nodejs操作mongodb查询所有数据的方法: var MongoClient = require('mongodb').MongoClient; var DB_CONN_STR = 'mongodb://localhost:27017/wilsondb1'; var selectData = function(db, callback) { //连接到表 var collection = db.collectio...

nodejs操作mongodb查询所有数据的方法: var MongoClient = require('mongodb').MongoClient;var DB_CONN_STR = 'mongodb://localhost:27017/wilsondb1'; var selectData = function(db, callback) { //连接到表 var collection = db.collection...

有制作好的,./

var MongoClient = require('mongodb').MongoClient;var DB_CONN_STR = 'mongodb://localhost:27017/wilsondb1'; var selectData = function(db, callback) { //连接到表 var collection = db.collection('tb2'); //查询数据 var whereStr = {"n...

var mongoose = require('mongoose'), DB_URL = 'mongodb://localhost:27017/mongoosesample'; mongoose.connection.on('connected', function () { console.log('Mongoose connection open to ' + DB_URL); }); 一般都是用Mongoose进行操作的,...

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