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Node.js http.ClientRequest.setNoDelay()用法及代码示例


http.ClientRequest.setNoDelay()是HTTP模块内ClientRequest类的内置应用程序编程接口,该接口用于设置套接字,例如在不需要限制请求时延迟过多的请求。

用法:

const request.setNoDelay([noDelay])

参数:此方法将布尔值作为参数。

返回值:此方法无返回值。

范例1:Filename-index.js



Javascript

// Node.js program to demonstrate the   
// request.setNoDelay() method 
  
// Importing http module 
const http = require('http'); 
  
// Create an HTTP server 
const server = http.createServer((req, res) => { 
  res.writeHead(200, { 'Content-Type':'text/plain' }); 
  res.end('okay'); 
}); 
  
// Now that server is running 
server.listen(3000, '127.0.0.1', () => { 
  
  // Make a request 
  const options = { 
    port:3000, 
    host:'127.0.0.1', 
    headers:{ 
      'Connection':'Upgrade', 
      'Upgrade':'websocket'
    } 
  }; 
  
  // Getting clinet request 
  const req = http.request(options); 
  
  req.host = '127.0.0.1'
  
  // Setting the nodelay for the socket 
  // by using setNoDelay method 
  req.setNoDelay(true); 
  
  // Display the result 
  console.log("no delay is set") 
  
  process.exit(0) 
});

使用以下命令运行index.js文件:

node index.js

输出:

no delay is set

示例2:Filename-index.js

Javascript

// Node.js program to demonstrate the   
// request.setNoDelay() method 
  
// Importing http module 
const http = require('http'); 
  
// Create an HTTP server 
http.createServer((req, res) => {}).listen(3000, '127.0.0.1', () => { 
  
  // Getting clinet request 
  const req = http.request({ 
    port:3000, 
    host:'127.0.0.1', 
  }); 
  
  // Setting the nodelay for the socket 
  // by using setNoDelay method 
  req.setNoDelay(true); 
  
  // Display the result 
  console.log("no delay is set") 
  
  process.exit(0) 
});

使用以下命令运行index.js文件:

node index.js

输出:

no delay is set

参考:https://nodejs.org/dist/latest-v12.x/docs/api/http.html#http_request_setnodelay_nodelay

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注:本文由纯净天空筛选整理自RohitPrasad3大神的英文原创作品 Node.js http.ClientRequest.setNoDelay() Method。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。