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variable Set Set is used to specify the value of a variable.App.set ("View Engine", "Ejs");//use Ejs as Template 9.response Object method . REDIRECT redirect Response.Redirect ("/hello/anime");//Redirect to/hello/anime . send File Sendfile Response.sendfile ("/path/to/anime.mp4"); Renders the page template render, which loads the transformed content onto the Web page.Response.render ("index", {message: "Hello World"})//Pass the message variable to the index template with the value "Hello
codeFile IO operations, which improve node. JS performance, can handle a large number of concurrent requests.Blocking is performed sequentially, and non-blocking is not required sequentially. ReadFile and Readfilesync.6.nodejs when writing the Chinese format, it is necessary to change the Utf-8 encoding to display the characters.7.node.js event Loop.Each API is asynchronous and runs as a separate thread, using an asynchronous function call, and handl
Chapter I recommended 2-hour course of study total 10 chaptersHow to learn: read it in detail and implement the relevant code manuallyLearning Goals : This tutorial will teach you to install node, build servers, Express, MySQL, MongoDB, write background business logic, write interfaces, and finally complete a complete project backstage, a total of 10 days is expected.Daily update, suggest with learn, follow this t
Warning window pops up, click Run to start the Installation Wizard and click Next to start the installation.After the installation is complete, node. js can be used through the command line interface (Commond-line INTERFACE,CLI) provided by node. js.Execute the following command in the command-line tool:$ nodeThis launches the node. JS command-line interface, which can receive input from JavaScript statements. Test whether the installation was successful,Run the following command:> Console.log
Nodejs mysql tutorial in xampp The following describes how to connect to the mysql database of the local machine through node. js: Var mysql = require ('mysql'); var connection = mysql. createConnection ({host: 'localhost', user: 'xxxx', // replace xxxx with your mysql login Username password: 'xxxx ', // replace xxxx with your mysql logon Password database: 'xxxx', // replace xxxx with the database nam
test connection in the current directory:varOracleDB = require (' OracleDB '));varConfig ={User:‘******‘,//user name password:‘******‘,//passwordIP: Database IP address, port: Database ports, SCHEMA: Database name connectstring:"Ip:port/schema"};oracledb.getconnection (config,function(err, connection) {if(Err) {console.error (err.message); return; }Query a table 10 data test, pay attention to replace your table name Connection.Execute ("SELECT * FROM (select A.*, ROWNUM rn from (SELECT * from y
This article mainly introduces Nodejs simple getting started tutorial (3): process. This article describes the communication between Node processes and cluster modules, for more information, see Node. Although there are multiple threads, JavaScript running on v8 is single-threaded. The child_process module of Node is used to create sub-processes. We can use the sub-processes to make full use of the CPU. Exa
Nodejs uses the mysql tutorial in xampp, nodejsxampp The following describes how to connect to the mysql database of the local machine through node. js: Var mysql = require ('mysql'); var connection = mysql. createConnection ({host: 'localhost', user: 'xxxx', // replace xxxx with your mysql login Username password: 'xxxx ', // replace xxxx with your mysql logon Password database: 'xxxx', // replace xxxx
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