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Node.js server.listen() 方法

❮ HTTP 服务器


示例

创建一个在计算机的 8080 端口监听的服务器。

当访问 8080 端口时,返回 "Hello World!" 作为响应

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

server.listen() 方法在指定的端口或路径上创建一个监听器。


语法

server.listen(端口, 主机名, 积压连接数, 回调函数);

参数值

参数 描述
port 可选。指定我们要监听的端口
hostname 可选。指定我们要监听的 IP 地址
backlog 可选。指定挂起连接队列的最大长度。默认为 511
callback 可选。指定当监听器已添加时要执行的函数

技术细节

返回值
Node.js 版本 0.1.90

❮ HTTP 服务器

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