Tags: Verify options note localhost crud pre type unique MonThis article focuses on installing the basic tutorial using Mongoose to let node. js operate MongoDB, front-end js+ back-end Node+js Operation
fully understand, and the Foundatio N necessary to build additional functionality into your app. And we ' ll do it in about minutes of installation and coding. Is that awesome? I submit that it is.
Let ' s go. Part i–15 MINUTES of installing
If you are really starting from scratch, then getting everything the up and running takes a little bit of time. None of it is difficult. I Run Windows 8 on me main machine, so it ' ll be slightly different for those on a Mac or Ubuntu or other *nix system,
Use node. js + mongodb to set up a simple login registration function.
Preface
Recently, I suddenly became interested in databases and the backend, and began to learn for a long time. I think I am only a front-end and only use java scopep, so I started to look at nodejs, looking at it, I suddenly found that mongodb and
collection.Db.users.find () \ Query the document you added 3. Project Connection Database Create a folder under the project root directory database, and then create a db.js E:\test \ Database\db.js [HTML] View plain copy
var mongoose = require (' Mongoose ');
var db = mongoose.connect (' Mongodb://localhost/text ');//; Connect to database
var Schema = Mongoose.Schema; Create a model
var userschema = new Schema ({
Name:string,
One, nonsensefrom January 13 to the development of MongoDB, the development of tourism labeling services, micro-blog Tag search system, Map services, web App services ... A scenario using MongoDB was transferred from the. NET, Java environment to the node. JS platform. The more you find that
* from CollectionName where age=22 or age=25;Filter the value of age in the collection duplicate dataDb.collectionName.distinct ("name")Example: Db.majt.distinct ("Age")Mongovue InstallationNot many, download, then install, after installation is completeReplace the "MongoVUE.exe" file in the "Cracked Patches" folder in the unzip zip under the installation file directory (see the World Spring Xuan Project)And, of course, there's a problem here.about Mongodbvue Unable to display collection soluti
1. Start the MongoDB databaseDownload MongoDB database on official websiteCreate a folder under the MongoDB root directory: Assume that it is named Test.We think test is a new database for MongoDB.Create a batch file Xxx.bat with the following contents:Run the Mongod.exe under the Bin directory under the E-Disk MongoDB
(3000); 6, in the cmd input "" Run in the browser input http://localhost:3000/, enter the display run successfully!. 7. Next we try to connect to the database using node. js, first start the MongoDB service (note: another cmd window): Mongod--dbpath D:\ProgramFiles\mongodb-v3.4\data\db: 8. Modify the code of the
variable db is the Foobar databaseSwitched to DB FoobarInserts a document into the collection, DB. Collection name. InsertDb.Blog.InsertObject * * When queryingShellDefault Maximum display20A matching document * * Returns all documents in the collectiondb. Blog. Find() //View a document in the collection db. Blog. FindOne() //Update document DB/blog. Update({title:' AA '}, Document Object) //Permanently delete the document from the database, deleting all document DB in the collection witho
Label:ObjectiveFrom the installation of the environment in the native (win8.1) environment to finish this demo about less than two weeks, just started in the local installation environment and did not knock a demo, from the beginning of the weekend and intermittent to write a, according to the inertia of thinking to write a deletion and change to check it, One is to experience the magic of node. JS, and the
command is used to switch to the current database. if the database does not exist, a new one will be created first ).
(5) in the shell command window, type the following command: "db. users. insert ({" name ":" bigbear "," password ":" 12345678 "})",
(This command inserts a piece of data into the users set. if the set users does not exist, a new one is created first, and then the data is inserted. the parameter is passed in as JSON format ).
(6) in the shell command window, type the following c
1. Install Webstorm and crack2. Install node (and express frame)
Download and install it from the website. (http://nodejs.org) v0.10.32 MSI
After installation test, open command line,c:\users\iris804> node>console.log ("hello") output hello undefined
Installing the node. JS Package Manager (Expre
I didn't expect MongoDB to have so many choices for Node. js drivers! I thought for a while! It turns out that in addition to the Driver found on the MongDB official website, there are also a lot of good people who have written several MongoDB drivers for Node.
Label:First, the preparatory work1. Create the table to be read in MongoDBCreate a database MongotestUse Mongotest;Inserting data into the user tableDb.user.insert ({name: ' Flyoung ', Age: ' + ', sex:true});2, Installation Node-mongodb-nativeNPM Install MongoDBIi. instances (node. js reads
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