node. JS Notes

Installing Nodejs

nodejs.org

node. js for MAC Installation

Installing NPM

curl http://npmjs.org/install.sh | sh

Update NPM

sudo npm update npm -g

Installing PM2

npm install pm2 -g

Update PM2

pm2 update

Install Express

$ npm install -g express-generator #需先安装express-generator  $ npm install -g express  $ express -V  #验证是否安装成功  

Installing Restify
Install restify to the directory Restify-dmeo

$ mkdir restify-demo$ cd restify-demo$ npm install restify

Error during installation no such file or directory, open '/users/xxx/package.json '
This hint does not affect the test at this time.

Write Test JS

cd Desktop/vi test.js

 var restify = require(‘restify‘); //引入包function respond(req, res, next) {  res.send(‘hello ‘ + req.params.name);  next();}var server = restify.createServer();server.get(‘/hello/:name‘, respond); //访问的路径server.head(‘/hello/:name‘, respond);server.listen(8080, function() { //8080 端口   console.log(‘%s listening at %s‘, server.name, server.url);});

pm2 start test.js -i 1 --name=test -f
pm2 stop test.js

Installing MongoDB

brew install mongodb

npm link mongodb
npm install node-gyp -g && npm cache clean && rm -rf node_modules && npm install

Start MongoDB

mongod —config /usr/local/etc/mongod.conf

NodeJS using UUID

UUID, you must first install the module node-uuid for NodeJS:

npm install uuid

Then generate the UUID and use it when you insert:
var uuid = require(‘node-uuid‘);

Connect to MongoDB

Var mongodb = require (' MongoDB '); Var mongodbserver = new mongodb. Server (' localhost ',  27017, { auto_reconnect: true, poolsize: 10 }); var  db = new mongodb. Db (' MyDB ',  mongodbserver);/* open db */db.open (function ()  {   /* select   ' contact '  collection */    db.collection (' Contact ',  function (err, collection )  {       /* insert a data */        Collection.insert ({            name:  ' Fred chien ',        & nbsp   email:  ' [email protected] ',            tel: [      & nbsp          ' 0926xxx5xx ',                ' 0912xx11xx '            ]       }, function (err, data)  {            if  (data)  {    & nbsp           console.log (' Successfully insert ');           }&NB sp;else {                console.log (' Failed to insert ');           }       });       /* QUERYING */&NB Sp       Collection.find ({ name:  ' Fred chien '  }, function (err, data)  {           /* found this people */            if  (data)  {                console.log (' name:  ' & nbsp;+ data.name +  ', email:  '  + data.email);           } else {      &NBSp         console.log (' Cannot found ');           }    &NBS P  );   });

Mongous-A lightweight Nodejs MongoDB driver

https://github.com/amark/mongous

Sublime Text Writing JS Tool

node. JS Notes