Node.js http.IncomingMessage.statusMessage 方法

http.IncomingMessage.statusMessage是http 模块中Incoming Message 类的内置应用程序编程接口，用于获取HTTP 响应状态消息。

句法：

message.statusMessage

参数：此方法不接受任何参数作为参数。

返回值：此方法返回 3 位 HTTP 响应状态码。

示例 1：文件名：index.js

Javascript

// Node.js program to demonstrate the 
// request.statusMessage 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 statusMessage
  // by using request.statusMessage Api
  const value = request.statusMessage;
   
  // Display result
  response.end( "statusMessage : "
      + value, 'utf8', () => {
      console.log("displaying the result...");
 
   //Closing the server
      httpServer.close(()=>{
          console.log("server is closed")
      })
  });
});
   
// Listening to http Server
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：粘贴本地主机地址 http://localhost:3000/。在浏览器的搜索栏中。

示例 2：文件名：index.js

Javascript

// Node.js program to demonstrate the 
// request.statusMessage APi
   
// Importing http module
var http = require('http');
 
// Request and response handler
const http2Handlers = (request, response) => {
   
  // Getting statusMessage
  // by using request.statusMessage Api
  const value = request.statusMessage;
   
  // Display result
  response.end( "statusMessage : "
      + value, 'utf8', () => {
      console.log("displaying the result...");
 
      // Closing the server
      httpServer.close(()=>{
          console.log("server is closed")
      })
  });
  };
   
// Creating http Server and listening
// on the 3000 port
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：粘贴本地主机地址 http://localhost:3000/。在浏览器的搜索栏中。

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