报错信息： const server = http.createServer((req, res)= >{ ^ SyntaxError: Unexpected token > at Module._compile (module.js:439:25) at Object.Module._extensions…js (module.js:474:10) at Module.load (module.js:356:32) at Function.Module._load (module.js:312:12) at Function.Module.runMain (module.js:497:10) at startup (node.js:119:16) at node.js:902:3

代码： const http = require(‘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}/); });