mongoose mongodb

var mongoose =require (' Mongoose ');var db = Mongoose.connect ("Mongodb://localhost:27001/test");//local library test databasevar Testschem = new Mongoose. Schema ({Name:{type:string},age:{type:number,default:0},Time:{type:date,default:date.now},Email:{type:string,default: '}});var testmodel =db.model (' test1 ', Test

In the recent study of Nodejs, here are some APIs that use mongoose to manipulate MongoDB. Prelude: 1. Installation of Mongoose:var Mongoose = require (' Mongoose '); 2. Connecting Mongodb:mongoose.connect (' Mongodb://localhost/nodejs '); 3. CREATE TABLE structure, field:

Time flies fast, June and July busy, dejected is also a lot of things, Hangzhou, Dalian to fly back and forth, is also hehe.I hope to immerse myself in the next stage and learn what I want to learn. Take a look at the lessons that have been written for several days in the last few weeks. Because of the reason for the class, so in a short time to understand the next EXPRESS+MONGODB combination, to the app has a simple server, also opened the background

the UserID query in the Doctor table to the corresponding entry and pass the information into the req.body.doctorObject. As you can guess, this code is reusable. Of course, this code reuse situation will be more limited, because it is rough, on this point, the following will give a more comprehensive code of reuse. To run the command line in the project folder, run the command: Node Server.js If there are no errors, the following prompt is available: The hint content is defined in Server.js.

webpage data, as shown below: // Routing rule: app. get ('/project/byuser/: userid', project. byUser); exports. byUser = function (req, res) {console. log ("Getting user projects"); if (req. params. userid) {Project. findByUserID (req. params. userid, function (err, projects) {if (! Err) {console. log (projects); res. json (projects);} else {console. log (err); res. json ({"status": "error", "error": "Error finding projects"}) ;}} else {console. log ("No user id supplied"); res. json ({"status"

. objectId, ref: 'clazz '}) StudentSchema. statics = {findClazzNameByStudentId: function (studentId, callback) {return this. findOne ({_ id: studentid00000000.populate('clazzid'0000.exe c (callback)} // other methods are omitted ..} module. exports = StudentSchema As you can see, the master needs to set the ClazzID to ref to Clazz, and the dependency is the name of the Model you created. to query Clzz, use populate Below is the Model var mongoose = re

Mongoose getting started with mongooseNo matter what database you use as the db service, connect is an essential step. Method 1: @ Param {String} uri @ param {Object} options @ param {Function} callbackconnect (uri, [options], [callbakc]) returns the mongoose Object. connect ('mongodb: // localhost/test', {mongos: true}, function (err, result) {if (err) {console.

()Introduction to using the Mongoose module to manipulate MongoDB modulesMongoose is a module that corresponds to a Nodejs object and a document in MongoDB.The mongoose supports both strong mode and modeless mode.Install Mongoose:$ NPM Install MongooseLet's look at the final directory structure:Configuration and Links

Today we will learn mongoose, what is mongoose, it is in MongoDB what is the relationship, it can be used to do?MongoDB is an open source NoSQL database, compared to MySQL-like relational database, it is more light and flexible, it is very suitable for use in the case of large data size, not strong transaction. At the

Detailed description of node. js's addition, deletion, modification, and query operations based on the mongoose module, nodejsmongoose MongoDB MongoDB is a Javascript-based database with a JSON storage format, while Node is also a JavaScript-based environment (library ), therefore, the combination of node and mongoDB c