Node.js http.IncomingMessage.rawHeaders用法及代码示例

http.IncomingMessage.rawHeaders是http模块中的Incoming Message类的内置应用程序编程接口，用于获取原始请求/响应头，以准确列出接收到的请求/响应头。

用法:

 request.rawHeaders

参数：此方法不接受任何参数作为参数。

返回值：此方法返回原始请求/响应标头列表，与接收到的完全相同。

要求清单

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...");  
});

执行命令：

node index.js

控制台输出：

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

浏览器输出：在浏览器的搜索栏中粘贴本地主机地址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...");  
});

执行命令：

node index.js

控制台输出：

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

浏览器输出：在浏览器的搜索栏中粘贴本地主机地址http：//localhost：3000 /。

rawHeaders:Connection

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

相关用法

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.IncomingMessage.rawHeaders 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。