nodejs 命令行交互

function readSyncByfs(tips) { ???tips = tips || ‘> ‘; ???process.stdout.write(tips); ???process.stdin.pause(); ???const buf = Buffer.allocUnsafe(10000); ???let response = fs.readSync(process.stdin.fd, buf, 0, 10000, 0); ???process.stdin.end(); ???return buf.toString(‘utf8‘, 0, response).trim();}var a = readSyncByfs(‘请输入任意字符：‘);var a = readSyncByfs(‘‘);console.log(a);