Node. js express installation and example website construction (Sharing), node. jsexpress
1. You must first install Node. JS
Run the following commands in windows cmd:
Cd C: \ Program Files \ nodejs \
Npm install-g expressNpm
Http request client example (request client) in Node. js, node. jsrequest
Node. JS has a request module that can easily capture webpage content. The simplest example is as follows:
var
Example of calling the mysql stored procedure in Node. js, node. jsmysql
The test passed only in windows, but not in linux. If you have any questions, please email me ~
1. Install node. js and mysql. Click here (search by yourself
This article mainly introduces jQuery's load () method and its callback function usage. It analyzes the simple usage skills of the load method by examples and has some reference value, for more information about jQuery's load () method and its callback function usage, see the following example. Share it with you for your reference. The details are as follows:
Example of Node. js readline Reading and Writing File Content line by line, node. jsreadline
This article describes the two implementation methods of reading data row by row using readline. The details are as follows:
What is Readline?
Readline is an encapsulated module for implementing standard input and output in
Use Meteor with Node. js to compile a real-time chat application example, meteornode. js
I often see Derby. the framework for js comparison is Meteor. js. similar to Derby, it can also update views in real time on multiple clients
The main application scenario of Jscex is "JavaScript asynchronous programming", but there is no limit on whether to run on the browser or server. Recently, Node. js is very popular and has just released the Native Windows version. Many people will use it to make small programs such as websites. At present, the most famous framework for developing websites using Node
Example of using Meteor with Node. js to compile real-time chat applications
This article mainly introduces how to use Meteor with Node. js Code example of real-time chat application, Node
In " using Angularjs," we mentioned how to introduce Angularjs in the node. JS Project, this time providing a very simple example that demonstrates instructions in Angularjs, data binding , Services and other content.I am ready to do the Web management system, different administrators will have different permissions, the administrator login to see the menu and hi
A simple node. JS File System (fs) read/write example.In nodejs, you can use the fs (file system) module to perform file I/O operations. API link address: the use of fs File System under the http://nodeapi.ucdok.com/#/api/fs.html instance: 1, the module call declaration: var fs = require ('fs'); var path = require ('path '); fs is the file module, and path is the system path module. 2. You can use the write
', function (req, res) {res. send ('csser user is' + req. user. name );});
For simple cases such as route placeholder verification and forced change value, you only need to input one parameter (one parameter is supported). The exception thrown during this period will be automatically passed into next (err ).
app.param('number', function(n){ return parseInt(n, 10); });
You can also apply the callback function to multiple placeholders at the same time.
This article mainly introduces several important knowledge points of node. js: The Role of node. js, callback, synchronous and asynchronous code, event loop 1, and the role of node. js,
, Json.parse to convert the JSON text to an object varRetval=json.stringify (arr); Resp.end (retval);//Response Object End Response});//Server starts operation listening PortServer.listen ("localhost",function() {Console.log ("Server started operation, listening on port 3000 ...");});Page code:DOCTYPE HTML>HTMLLang= "Utf-8">Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>Head> title>Get data from node. jstitle> Scriptsrc=
, dependency.
If you have used Linux, you must be familiar with these two concepts. For example I want to install a Ruby, then must first install Libreadline and Libruby, because Ruby must depend on them to run. Why is Windows not dependent on the concept? Because the Windows program is usually installed automatically to help you install, of course, there are exceptions, such as running a big game need to install the VC + + runtime and DirectX Runtim
This article describes how to use multi-thread programming in nodejs. In this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about node. JS, see the previous blog post. In implementing sleep in node. JS, I will introduce the usage of
, Json.parse to convert the JSON text to an object varRetval=json.stringify (arr); Resp.end (retval);//Response Object End Response});//Server starts operation listening PortServer.listen ("localhost",function() {Console.log ("Server started operation, listening on port 3000 ...");});Page ANGULARJS Code:DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "Http://www.w3.org/TR/html4/loose.dtd ">HTMLNg-app= "Notesapp"> Head> MetaCharSet= "Utf-8"> title>Angularjs Get No
This article mainly introduces the relevant information about node. js File Upload processing, which is very good and has reference value. If you need it, you can refer to it. Go straight to the topic. Under the premise of the basic framework of Node. js web development, we will do a file upload function.
The uploade
This article describes how to use multi-thread programming in nodejs. in this article, nodejsaddon is used to expand nodejs multi-thread programming with cc ++, for more information about Node. js, see the previous blog post. in implementing sleep in Node. js, I will introduce the usage of
node. JS Service SideTo install the WS module Support firstNPM Install WSService side (Server.js)var GWS; var Websocketserver = require (' ws '). Server, new websocketserver ({port:9000 }), Wss.on (function (WS) { = ws; Console.log (' client connected '); Ws.on (function (message) { console.log (message); (Show, SetInterval);//Every 5 seconds the server pushes the message to the
; Body>HTML>Scripttype= "Text/javascript">functionrun () {//Changelitext ();}/****************************************************** the startup function called when the window is loaded ****************************************** ***********/$ (document). Ready (function() { $(". Side ul Li"). HTML ("1"); });// -Script>Server.js Code:varHttp=require (' http ');varFs=require (' FS ');varPath=require (' Path ');varMime=require (' MIME ');varCache={};functionsend404 (response) {Response.writ
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