node js sql server

Installation NPM Install WS Service sideServer.js var websocketserver = require (' ws '). Server, WSS = new Websocketserver ({port:8080}), Wss.on (' Connection ', function (WS) {ws.on (' message ', function (message{Console.log (' Received:%s ', message);}); Ws.send (' something ');}); Run: Node server.js ClientClient.htm Client.js var ws = new WebSocket ("ws://127.0.0.1:8080/");Ws.onopen = function () {al

callback function. The callback function is the first of the actual arguments is err, and the rest of the arguments are the other returned content. If no error occurs, The value of err will be null or undefined. If an error occurs,err is usually an instance of the Error object. Synchronization mode:Fs.readfilesync (Filename,[encoding]).Fs.openFs.open (Path,flags, [mode], [Callback (Err, FD)])Path, flag is the way to confirm the opening of the file (read-write, read-only, create or not), mode d

In this section, we will show you how to build a simple node. js HTTP Server from a beginner's perspectiveCreate Myfirsthttpserver.jsLets require/import the http Modulevar http = require (' http ');//lets define a port we want to listen toconst port=8080; We need a function which handles requests and send Responsefunction HandleRequest (request, Response) { Re

problem, here are just a few things we do: For files that specify several suffixes, add the Expires header and the Cache-control:max-age header in response. The timeout date is set to 1 years. Because this is a static file server, the last-modified header is returned for all requests, in response. For the request header with If-modified-since, make a date check, and if not modified, return 304. If modified, the file is returned.

In Windows, the mysql client accesses the SQL node server of mysql-cluster in Linux. In Windows, if WAMP is installed, the mysql server is also installed, and the mysql client is also installed, the client and server are not separated for installation. If we want to access t

,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'accept-encoding': 'gzip,deflate,sdch', 'accept-language': 'zh-CN,zh;q=0.8', 'accept-charset': 'GBK,utf-8;q=0.7,*;q=0.3' } We found that all the keys with quotation marks all have '-'. It turns out to be a bad horizontal bar. Reminder:If the key name contains '-', spaces, and other seemingly invalid characters, JS is very tolerant, but you must enclose it in quotation marks. During

First in the integrated Terminal output (boot), at the input URL (127.0.0.1:3000) or locallhost:3000Build the serverConst HTTP = require ("http"); Introduce HTTP template let Server = Http.createserver (function (req,res) {//request Request Response response Res.write ("View your IP address, window+r input cmd and enter ipconfigBuild a server with node.

node. JS creates an HTTP serverIf we use PHP to write back-end code, we need an Apache or Nginx http server, with MOD_PHP5 modules and php-cgi.From this perspective, the entire "Receive HTTP request and provide WEB page" requirement does not need PHP to handle at all.But for node.