Day01（node.js 与后台交互）

index.js

var http = require("http");
var fs = require("fs");
var ws = require("nodejs-websocket");


http.createServer(function(req,res){ //(请求对象)
    fs.readFile(__dirname+req.url,function(err,data){// (错误对象，返回对象)
        res.writeHead(200,{"content-type":'text/html;cherset=utf-8'});
        res.end(data+"");   
    })
}).listen(3000); // 3000 http服务
console.log("listen 3000...");

var wsServer = ws.createServer(function(conn){
    console.log("有人链接");
    conn.on("text",function(str){
        console.log("收到:"+str);
        broadcast("你好,"+str);
    })
})
wsServer.listen(3002); //3002 websocket服务

function broadcast(msg){
    for(var i=0;i

a.html

        
        发送