Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AI GO KOTLIN SASS VUE DSA GEN AI SCIPY AWS CYBERSECURITY DATA SCIENCE
     ❯   

Node.js requestListener() 函数

❮ http.createServer


示例

requestListener 函数是在服务器每次收到请求时执行的函数。

var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.write('Hello World!');
  res.end();

}).listen(8080);
运行示例 »

定义和用法

requestListener 是一个函数,每次服务器收到请求时都会调用它。

requestListener 函数作为参数传递给 http.createServer() 方法。

requestListener 函数处理来自用户的请求,以及响应回用户的响应


语法

function (request, response) {
}

参数值

参数 描述
request 第一个参数,Request 对象,表示一个IncomingMessage 对象。
response 第二个参数表示一个ServerResponse 对象,它具有处理响应流回用户的 方法。

❮ http.createServer

×

Contact Sales

If you want to use W3Schools services as an educational institution, team or enterprise, send us an e-mail:
[email protected]

Report Error

If you want to report an error, or if you want to make a suggestion, send us an e-mail:
[email protected]

W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2024 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.