Node.js http.IncomingMessage.rawHeaders用法及代碼示例

http.IncomingMessage.rawHeaders是http模塊中的Incoming Message類的內置應用程序編程接口，用於獲取原始請求/響應頭，以準確列出接收到的請求/響應頭。

用法:

 request.rawHeaders

參數：此方法不接受任何參數作為參數。

返回值：此方法返回原始請求/響應標頭列表，與接收到的完全相同。

要求清單

示例1：Filename：index.js

Javascript

// Node.js program to demonstrate the   
// request.rawHeaders APi 
    
// Importing http module  
var http = require('http');  
    
// Setting up PORT  
const PORT = process.env.PORT || 3000;  
    
// Creating http Server  
var httpServer = http.createServer( 
    function(request, response){  
  
  // Getting rawHeaders  
  // by using request.rawHeaders Api 
  const value = request.rawHeaders; 
    
  // Display result 
  response.end( "rawHeaders:" + value[0], 'utf8', () => {  
      console.log("displaying the result...");  
  
         //Closing the server 
      httpServer.close(()=>{ 
          console.log("server is closed") 
      }) 
  });  
});  
    
// Listening to http Server on local port 
httpServer.listen(PORT, () => {  
    console.log("Server is running at port 3000...");  
});

執行命令：

node index.js

控製台輸出：

Server is running at port 3000...
displaying the result...
displaying the result...
server is closed
server is closed

瀏覽器輸出：在瀏覽器的搜索欄中粘貼本地主機地址http：//localhost：3000 /。

rawHeaders:Host

示例2：Filename：index.js

Javascript

// Node.js program to demonstrate the   
// request.rawHeaders APi 
    
// Importing http module  
var http = require('http');  
  
// Request and response handler  
const http2Handlers = (request, response) => {  
    
  // Getting rawHeaders  
  // by using request.rawHeaders Api 
  const value = request.rawHeaders; 
    
  // Display result 
  response.end( "rawHeaders:" + value[2] , 'utf8', () => {  
      console.log("displaying the result...");  
  
   //Closing the Server 
      httpServer.close(()=>{ 
          console.log("server is closed") 
      }) 
  }); 
  };  
    
// Creating http Server and execute the server  
var httpServer = http.createServer( 
    http2Handlers).listen(3000, () => {  
    console.log("Server is running at port 3000...");  
});

執行命令：

node index.js

控製台輸出：

Server is running at port 3000...
displaying the result...
displaying the result...
server is closed
server is closed

瀏覽器輸出：在瀏覽器的搜索欄中粘貼本地主機地址http：//localhost：3000 /。

rawHeaders:Connection

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

相關用法

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.IncomingMessage.rawHeaders 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。