網路程式設計

npm install -g @vue/cli

code .

code .	

mkdir myapp
cd myapp
npm init

const net = require('net');
const server = net.createServer((c) => {
// 'connection' listener.
console.log('client connected');
c.on('end', () => {
console.log('client disconnected');
});
c.on('error'), (err) => {
//throw err;
}
c.write('hello\r\n');
c.pipe(c);
});
server.on('error', (err) => {
throw err;
});
server.listen(24567, () => {
console.log('server bound');
});