bigpipe nodejs

/**

 * Created with JetBrains WebStorm.

 * User: zhangyi

 * Date: 13-4-23

 * Time: 上午10:57

 * To change this template use File | Settings | File Templates.

 */

var http = require('http');

var sys = require('sys');

var url = require("url");



http.createServer(function(request, response) {



    response.writeHead(200, {"Content-Type" : "text/html"});

    response.write("<!Doctype html><html><head>");

    response.write("<style type='text/css'>div{border:2px solid #4F81BD; margin:30px; padding: 10px;}</style>");

    response.write("<script type=\"text/javascript\">function arrived(id,text) { var b=document.getElementById(id); b.innerHTML = text; }</script>");

    response.write("</head><body><div>Progressive Loading");

    for(var i = 0; i < 6; i++) {

        response.write("<div id='" + i + "'>Loading...</div>");

    }

    response.write("</div>");





    var down = 6;

    for (i = 0; i < 6; i++) {

        var proxy = http.createClient(2000, "localhost");

        var proxyRequest = proxy.request("GET", "/?id=" + i, {"host" : "localhost"});



        proxyRequest.addListener('response', function (proxyResponse) {

            --down;

            proxyResponse.addListener('data', function(chunk) {

                response.write(chunk, 'binary');

            });

            proxyResponse.addListener('end', function() {

                if(down == 0) {

                    response.end();

                }

            });

        });

        proxyRequest.end();

    }

    response.write("</body></html>");



}).listen(8080);



http.createServer(function(request, response) {



    var delay = Math.round(Math.random() * 8000);

    /*

    var params = url.parse(request.url, true);

    var delay = params.query.id * 3000; console.log(delay);

    */

    setTimeout(function() {

        var params = url.parse(request.url, true);

        var id = params.query.id;

        response.writeHead(200, {"Content-Type" : "text/html"});

        var content = "<span>Content of Module " + id + "</span>";

        response.write("<script>" +

            "arrived('" + id + "', '" + content + "');" +

            "</script>");

        response.end();

    }, delay);

}).listen(2000);

 

原文:http://www.cnblogs.com/meteoric_cry/archive/2013/04/23/3037384.html

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