Node.js http。ServerResponse.writeProcessing()方法
原文:https://www . geesforgeks . org/node-js-http-server response-write processing-method/
HTTP ServerResponse . write Processing()是 HTTP 模块内类 server response 的内置应用编程接口，用于向客户端发送 HTTP/1.1 102 Processing 消息。
语法:
response.writeProcessing()
参数:此方法不接受任何参数作为参数。
返回值:这个方法没有什么可返回的。
示例 1: Filename-index.js
java 描述语言
// Node.js program to demonstrate the
// response.writeProcessing() method
// 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) {
// Sending a HTTP/1.1 102 Processing message
// by using socket method
response.writeProcessing();
// Display result
// by using end() method
response.end("HTTP/1.1 102 Processing message"
+ " has been sent", 'utf8', () => {
console.log("displaying the result...");
httpServer.close(() => {
console.log("server is closed")
})
});
});
// Listening to http Server
httpServer.listen(PORT, () => {
console.log("Server is running at port 3000...");
});
使用以下命令运行 index.js 文件:
node index.js
输出:
Server is running at port 3000...
displaying the result...
server is closed
现在在浏览器中运行 http://localhost:3000/ ，你会在屏幕上看到如下输出:
HTTP/1.1 102 Processing message has been sent
示例 2:Filename-index . js
Javascript
// Node.js program to demonstrate the
// response.writeProcessing() method
// Importing http module
var http = require('http');
// Request and response handler
const http2Handlers = (request, response) => {
// Sending a HTTP/1.1 102 Processing message
// by using socket method
response.writeProcessing();
// Display result
// by using end() method
response.end("HTTP/1.1 102 Processing message"
+ " has been sent", 'utf8', () => {
console.log("displaying the result...");
httpServer.close(() => {
console.log("server is closed")
})
});
};
// Creating http Server
var httpServer = http.createServer(
http2Handlers).listen(3000, () => {
console.log("Server is running at port 3000...");
});
使用以下命令运行 index.js 文件:
node index.js
输出:
Server is running at port 3000...
displaying the result...
server is closed
现在在浏览器中运行 http://localhost:3000/ ，你会在屏幕上看到如下输出:
HTTP/1.1 102 Processing message has been sent
参考:https://nodejs . org/dist/latest-v 12 . x/docs/API/http . html # http _ response _ write processing
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