Nodejs+Socket.io实现通讯实例代码

D:.
 │ package.json
 │ server.js
 │
 └─public
 index.html
 socket.io.js

var express = require('express'); 
var app = express();

var server = require('http').createServer(app);
var io = require('socket.io')(server);

app.use('/', express.static(__dirname + '/public')); 

server.listen(80);

//socket部分
io.on('connection', function(socket) {
  //接收并处理客户端的hi事件
  socket.on('hi', function(data) {
    console.log(data);

    //触发客户端事件c_hi
    socket.emit('c_hi','hello too!')
  })

  //断开事件
  socket.on('disconnect', function(data) {
    console.log('断开',data)
    socket.emit('c_leave','离开');
    //socket.broadcast用于向整个网络广播(除自己之外)
    //socket.broadcast.emit('c_leave','某某人离开了')
  })

});

  





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