Node.js - NET模块

const net = require('net');
var server = net.createServer((socket) => {
  socket.end('goodbye\n');
}).on('error', (err) => {
 //在这里处理错误
  throw err;
});
// 抓取一个随机端口。
server.listen(() => {
  address = server.address();
  console.log('opened server on %j', address);
});

node net_server.js

const net = require('net');
const client = net.connect({port: 50302}, () => {//使用相同的服务器端口
  console.log('connected to server!');
  client.write('world!\r\n');
});
client.on('data', (data) => {
  console.log(data.toString());
  client.end();
});
client.on('end', () => {
  console.log('disconnected from server');
});

node net_client.js