node js sql server example

Zhanhailiang Date: 2014-11-23Principle: Parse the request URL to the corresponding file path; Determine if the file exists; If present, read the file content output; Realize:varPath=Require(' path '),Fs=Require(' FS ');Require(' http ').Createserver(function(Req,Res) { //Parse file path, default to the current directory as the root directory to find files //This can be done by configuring the root value to find files for the relative root directory varFile=Path.Nor

Original address: http://my.oschina.net/yushulx/blog/309413Catalogue [-] Installation Service side Client Reference Installation? 1 npminstallws Service sideServer.js? 12345678 var WebSocketServer=require(‘ws‘).Server,wss=newWebSocketServer({port:8080});wss.on(‘connection‘,function(ws){ws.on(‘message‘,function(message){console.log(‘received:%s‘,message);});ws.send(‘something‘);

Node. js remotely connects to the MongoDB database server on another host My MongoDB is installed in linux. First, add a user 1. First, run the terminal command line on the MongoDB server host and enter Mongo 2. Enter use admin to access the user management database. 3. db. addUser ("username", "password"); here, the u

than the HTTP protocol. OpenSSL generates a certificate fileAs long as the Git client is installed, there will be OpenSSLDetect if OpenSSL is installedOpenSSL version-aNext, start generating the certificate:#1#2, generate CSR certificate signature via private key -new-key Privatekey.pem- Out certrequest.csr#3-req- in Certrequest.csr-signkey privatekey.pem-out Certificate.pemAfter executing the third command you will see: Signature ok表示生成成功，最终看到如下三个文件 PRIVATEKEY.PEM: Private key

Client-clients, commonly referred to as browsers, can request data from the server via the HTTP protocol. Server -a server-side, generally referred to as the Web servers, can receive client requests and send response data to the client. Business-service layer, which handles applications through Web servers, such as interacting with databases, logical opera

Nodejs is actually a JavaScript execution environment.To create a new file Server.js, enter the following code:var http = require (' http 'var server = Http.createserver (function(req, res) { Res.writehead ($, {' Content-type ': ' Text/plain '}); Res.end (' Hello world\n ');}); Server.listen (1337, ' 127.0.0.1 '); Console.log (' Server running at http://127.0.0.1:1337 ');The console goes to the direct

In mysql-cluster, the SQL node (master) and the Independent mysql server (slave) are used to copy (troubleshoot) The cluster environment: www.2cto.com mysql-cluster 7.2.8 (mysql 5.5.27; ndb 7.2.8) 192.168.55.11 mgm node (nodeid = 1) 192.168.55.10 data node (nodeid = 2) +

Start learning to use node. js to build a Web server first. Myweb.js1 varHTTP = require (' http ');2 varurl = require (' URL '));3 varhostname = ' 127.0.0.1 ';4 varPort = 3000;5 varBodystr = "";6 varServer = Http.createserver (function(req, res) {7Res.statuscode = 200;8Res.setheader (' Content-type ', ' Text/plain ');9 varpathname =Url.parse (req.url). Pathname

Description (2017-5-2-10:27:03):1. Need to install node,http://nodejs.cn/download/2. After installation, enter node-v in cmd to view the version.3. Code Foo.js:Attention:(1) Http.createserver two parameters, Req.url instead of Res.url, finally must res.end ()!(2) Server.listen is not listener. 3000 is the port, name it casually. The following is the routing address of their own computer, CMD in the Ipconfig

implementing a File servervarFS = require (' FS ');varurl = require (' URL '));varPath = require (' path ');varHTTP = require (' http ');//get the root directory from the command-line arguments, default to the current directoryvarRoot = Path.resolve (process.argv[2]| | '. '));//Creating a servervarServer = Http.createserver (function(req,res) {varpathname =Url.parse (req.url). Pathname; varfilepath =Path.join (root,pathname); //Get file StatusFs.stat (filepath,function(err,stats) {if(!err Stats.

varHttp=require ("http");varUrl=require ("url");varServer=http.createserver (function(req,res) {varurl_parts=Url.parse (Req.url); Console.log (Url_parts); varopts={host:"210.14.152.181", Port:8188, Path:url_parts.pathname, headers:req.headers}; varCreq=http.get (OPTs,function(Cres) {res.writehead (cres.statuscode,cres.headers); Cres.pipe (RES); }); Req.pipe (creq);}); Server.listen (1337, "127.0.0.1",function() {Console.log ("Start Listening" +server.address (). port+ "...");});Teac

1. Prepare a folder for the project2. Create a server.js file under the root directory3. The file code is as followsvar http = require ("http");Http.createserver (function (request,response) {Response.writehead (200,{' content-type ': ' Text/plain ');Response.End ("Hello world\n")}). Listen (8080);Console.log ("Server running at http://127.0.0.1:8080/")4. Open the project directory with the command line execute the

Note: 1. To save the hello. js program file as a UTF-8 hello. js file, use notepad. 2. Chinese encoding must be supported in the output webpage. Res. write (' Now we use node. js to create a small www server. Console. log ('hello') console. log ('Hello % s-> % d

This is the real reason we learn node. js, Server!1, create a new index.js write downvar Myhttp=require (' http '); Myhttp.createserver (function(req,res) {res.writehead (200,{') Content-type ': ' Text/thml '}); Res.write (' ); Res.write (' ); Res.end (2. Open cmd and run node Index.js3. Open the browser input http://

Let Http=require ("http");//introducing the core HTTP moduleLet Fs=require ("FS"); let mime={ '. js ': ' Application/javascript ', '. css ': ' Text/css '}//Create a function that Req represents the client and res represents the server writable streamLet listener= (req,res) ={//Res is a writable stream with write and end if(req.url=== "/"){ //Set EncodingRes.setheader (' Content-type ', ' tex

This article mainly introduces how to easily create nodejs servers (9): to implement non-blocking operations, this series of articles will teach you to create a complete server step by step, for more information, see the response object (obtained from the server's callback function onRequest (), which is routed to the request handler. Then, the handler can use the functions on the object to respond to the request. Modify

This article mainly introduces how to easily create nodejs servers (9): to implement non-blocking operations, this series of articles will teach you to create a complete server step by step, for more information, see the response object (obtained from the server's callback function onRequest (), which is routed to the request handler. Then, the handler can use the functions on the object to respond to the request. Modify

This article mainly introduces how to easily create a nodejs server (6): to respond, we will then transform the server so that the request processing program can return some meaningful information, for more information, see modify the server so that the request processing program can return meaningful information. Let's take a look at how to implement it: 1. let

',function(data) {Console.log (data); Console.log (' Client error '); }); Server.listen (8124,function() {Console.log (' Server-side open ');})ClientvarNET = require (' net ');varClient = Net.connect ({port:8124},function() {Console.log (' Client Connection '); //setinterval (function () { varTime =NewDate (); varA = {}; A.order= ' Order1 '; A.transtype= ' Time '; varA =Json.stringify (a); //a.setencoding (' utf-8 ');Console.log (a); Cl

Open service:The code is as follows:varHTTP = require ('http'); Http.createserver (function (request, response) {//Send HTTP Header//HTTP Status value: 200:ok//content Type: Text/plainResponse.writehead ( $, {'Content-type':'Text/plain'}); //Send response data "Hello World"Response.End ('Hello world\n');}). Listen (8888);//The terminal prints the following informationConsole.log ('Server running at http://127.0.0.1:8888/');