作者 劲松
示例1：代码HelloWord ，新建Hello-Http.js文件
console.log("Hello")
示例2：Hello-Http，新建Hello-Http.js文件
const http = require('node:http');
const hostname = '127.0.0.1';
const port = 3000;
const server = http.createServer((req, res) => {
res.statusCode = 200;
res.setHeader('Content-Type', 'text/plain');
res.end('Hello, World!\n');
});
server.listen(port, hostname, () => {
console.log(`Server running at http://${hostname}:${port}/`);
});
验证：
hello-http验证结果如图:
