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Node.js http.ClientRequest.aborted用法及代码示例


http.ClientRequest.aborted是http模块中的Client Request类的内置应用程序编程接口,用于检查客户端请求是否已中止。

用法:

request.aborted

参数:它不接受任何参数作为参数。

返回值:它不返回任何值。

示例1:Filename:index.js



Javascript

// Node.js program to demonstrate the   
// request.aborted APi 
  
// 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', () => { 
  
console.log("Server is Started") 
  // Make a request 
  const options = { 
    port:3000, 
    host:'127.0.0.1', 
    headers:{ 
      'Connection':'Upgrade', 
      'Upgrade':'websocket'
    } 
  }; 
  
  // Getting client request 
  const req = http.request(options); 
  
  // Aborting the request 
  // by using abort() api 
  req.abort() 
  
  // checking if the client request 
  // has been aborted or not 
  // by using aborted api 
  if(req.aborted) 
    console.log("client request has been aborted") 
  else
    console.log("client request has not been aborted") 
});

使用以下命令运行index.js文件:

node index.js

控制台输出:

client request has been aborted

示例2:Filename:index.js

Javascript

// Node.js program to demonstrate the   
// request.aborted APi 
  
// Importing http module 
const http = require('http'); 
  
// Creating an HTTP server 
http.createServer((req, res) => {}) 
.listen(3000, '127.0.0.1', () => { 
  
  // Getting client request 
  const req = http.request({ 
    port:3000, 
    host:'127.0.0.1', 
  }); 
  
  // Checking if the client request 
  // has been aborted or not 
  // by using aborted api 
  if(req.aborted) 
    console.log("client request has been aborted") 
  else
    console.log("client request has not been aborted") 
  
  process.exit(0) 
});

使用以下命令运行index.js文件:

node index.js

控制台输出:

client request has not been aborted

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

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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.aborted Property。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。