node js home automation

() " } ] } }}From the syntax and examples we can see that JSON has two structures, an object (using {}) and an array (using [])JSON is based on a subset of JavaScript standards, so JavaScript-based node. JS uses JSON to be unique.Third, the development processThe project is still a continuation of the previous article of the Testframe, but will not be very involved, mainly about the im

GoalCreate a Lesson3 project in which to write code.When accessed in the browser http://localhost:3000/ , the output CNode (https://cnodejs.org/) Community home page of all post titles and links, in the form of JSONKnowledge Points: Learn to crawl Web pages using superagent Learn to use Cheerio Analysis Web pages Library Introduction:Superagent (http://visionmedia.github.io/superagent/) is a library of HTTP aspects that can initiate

,success:req.flash (' success '). ToString (), Error:req.flash (' Error '). ToString ()}); Console.log (" 222 ");}); App.post ('/post ', checklogin); App.post ('/post ', function (req, res) {var currentUser = Req.session.user,post = new post (c Urrentuser.name, Req.body.title, Req.body.post);p ost.save (function (err) {if (err) {Req.flash (' error ', err); return Res.redirect ('/');} Req.flash (' success ', ' announced success! '); Res.redirect ('/');//Publish Successful jump to homepage}); App.

// Collection.findone ({name: Name}, function (err, user) {mongodb.close (); if (err) {return callback (ERR); // failed! Returns the Err information callback (null, user); // success! Returns the user information for the query }); }); });}; Through the User.prototype.save realizes the user information storage, through the User.get realizes the user information reading.At the front of Index.js, add the following code: var crypto = require (' crypto '), User = require (' ... /models/user.js ');

. exec (getcpurate); logger .info ( "--wmic CPU:" + ret ); string[] a = ret . Split ("\ n");list Li = Lists. newarraylist (); for (String string : a) {String Line = string . Trim ();if (line. Length () = = 0)Continue ;Li . Add (line);}String CPU = NULL ;if (li. Size () = = 1)Throw New cantgetdata (ret);//String CPU = Li.get (Li.size ()-1);try {CPU = Li . Get (1). toString (). Trim ();} catch (Exception e) {throw new// }return Integer. parseint (CPU. toString ());}ResourcesJa

The first step is naturally installed, I am using webstorm this IDE, the installation is divided into 2 steps:1, install Nodejs, download the installation version under Windows, note that the MSI is the extension, and then the next step, nothing to say, as follows:32-bit msi:http://nodejs.org/dist/latest/64-bit msi:http://nodejs.org/dist/latest/2, install WebStorm8.0.3, as if will automatically find Nodejs installation path, do not need to configure what East;Install Webstorm, start it, then cre

Installation$ npm Install KoahubUse with KOA var app = require(' koa')(); var router = require(' koa-router')(); require(' Koahub'); for (varkey inkoahub. controller) { router. Use(Key, Koahub. Controller[key]); } //sample asRouter.Use('/Home‘,Auth( Home " span class= "Punctuation definition end round js" >) skip ({path: [/ Pu

to look like a isvalid in the previous image.Finally, log the sent message:Record the user's session, described in the previous section, and then jump to the user's home page:The following is the main page after the jump, currently just means that there is a jump to this function, other regardless ofDon't look at this is very simple, the realization is actually not very easy, spent a full two hours, fix.The first step, the implementation of the mail

, position, (err, writen) = {if(ERR)ThrowErrConsole. log (' Write file successfully ');Console. log ("Write"+ writen +"bytes"); Fs.close (FD, (ERR) =>{if(ERR)ThrowErr }); });});/*************** *FS.Read(fd, buffer, offset, length, position, callback)*BufferWrite Cache of Data *OffsetWhere to start when the cache is written *lengthNumber of bytes Read *positionRead where the file started,NULLIndicates read from current location *CallbackThree parameters(err, bytesread, buffer)* ***********

varExpress = require ('Express');varApp =Express ();//home Output "Hello World"App.Get('/', Function (req, res) {Console.log ("Home GET Request"); Res.send ('Hello GET');}) //POST RequestApp.post ('/', Function (req, res) {Console.log ("Home POST Request"); Res.send ('Hello POST');}) ///del_user Page ResponseApp.Get('/del_user', Function (req, res) {Console.log (

1. Install Xcodehttps://developer.apple.com/xcode/Search the official website to download and install Xcode.2, installation HomebrewHomebrew is installed to facilitate the installation of the following program softwareA. Go to homepage https://brew.sh/index_zh-cn.htmlb, copy the installation Code of Homebrew home page to install in terminal/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"C, enter BREW-V

(Router.routes ()); App.use (router.allowedmethods ({ throw:true, notimplemented: () = new boom.notimplemented (), methodnotallowed: () = new Boom.methodnotallowed ()}));Router.redirect (source, destination, code)? RouterRedirect Source to destination URL with optional 30x status code.Both source and destination can be route names.Router.redirect ('/login ', ' sign-in ');This was equivalent to:Router.all ('/login ', function * () { this.redirect ('/sign-in '); This.status = 301;}); Kind: I

function'll has access to Koa ' s context viathis useOriginalUrlIt should are true or false , default is true . If False, would path match against ctx.url instead of ctx.originalUrl . ExamplesRequire authentication for every request skip the path is index.html.App.use (Requiresauth (). Skip ({path: ['/index.html ', '/']}))　　Avoid a fstat for request to routes doesnt end with a given extension.App.use (Static.skip () (function () { var ext = url.parse (this.originalurl). PATHNAME.SUBSTR ( -4

var request = require (' request ') var url = ' Http://www.baidu.com/home/xman/data/superload ' var cookie = ' Cookie after you log in to Baidu ' var options = { method: "GET", Url:url, QS: { "type": "Weather", "Asyn": 1, "T": New Date (). GetTime () }, headers: { ' user-agent ': ' mozilla/5.0 (Windows NT 6.3; WOW64; rv:34.0) gecko/20100101 firefox/34.0 ', ' cookie ': Cookie }};function Callback (Er

See blog: http://blog.csdn.net/kissliux/article/details/19560603 for project details Open Source project source code on github: https://github.com/kissliux/rssSpider The project aims to provide free news lists and news body services, and no suitable server is found currently. If you have a server that can store a node. js application, contact me. Thank you! The effect is as follows:

/index.html//get/web/file.txt//Returns/web/file.txt App.use (Serve ( {rootdir: ' Web ', RootPath: '/web '}) Index support//GET///Returns/file.txt App.use (Serve ({rootdir: ' Web ', Index: ' file.txt '})//rewrite support//G et/web///returns 404//Get/admin//Returns/admin/index.html App.use (Serve ({rootdir: ' Web ', RootPath: '/admin '})) AP P.listen (Console.log) (' Listening on Port 3000 ')Support Issues-open New Issue IRC-On pkoretic freenode LicenseMITWemall Open Source Micro

function defined in a prototype, inherited through the util.inherits implementation. The results of the operation are as follows:Basehello base{Name: ' base ', base:1991, SayHello: [Function]}sub{name: ' Sub '}Note that the sub inherits only the functions defined by base in the prototype, and neither the base property created inside the constructor nor the SayHello function are inherited by Sub. Also, properties defined in the prototype are not output by Console.log as an object's property. If

Using JavaScript to access cross-domain pages on the front-end often uses Ajax, and the backend node. JS is much easier to crawl web information.Here is one of the simplest examples of crawling my blog home page information and displaying the homepage blog title.1 varHTTP = require (' http ')2 varCheerio = require (' Cheerio '))3 4 varurl = ' http://www.cnblogs.c