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Node.js http.ClientRequest.abort()用法及代碼示例

http.ClientRequest.abort()是http模塊中的類Client Request的內置應用程序編程接口,用於中止客戶端請求。

用法:

ClientRequest.abort()

參數:此方法不接受任何參數作為參數。

返回值:此方法不返回任何值

示例1:Filename:index.js



Javascript

// Node.js program to demonstrate the   
// request.abort() 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") 
  
    // Making 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() method 
  req.abort() 
  
  // Emit the message 
  req.on('abort',()=>{ 
    console.log("client request is aborted") 
      
  }) 
});

使用以下命令運行index.js文件:

node index.js

輸出:

client request is aborted

示例2:Filename:index.js

Javascript

// Node.js program to demonstrate the   
// request.abort() APi 
  
// Importing http module 
const http = require('http'); 
  
// Creating 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', 
  }); 
  
  // Aborting the request 
  // by using abort() api 
  req.abort() 
  
  // Emit the message 
  req.on('abort',()=>{ 
    console.log("client request is aborted") 
    process.exit(0); 
  }) 
});

使用以下命令運行index.js文件:

node index.js

輸出:

client request is aborted

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

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注:本文由純淨天空篩選整理自RohitPrasad3大神的英文原創作品 Node.js http.ClientRequest.abort() Method。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。