关注网页的更新状况,了解最新的handsup 消息.

// 第一部分是网页截图和源码保存
// upon page load.

var fs = require("fs");
var resourceWait  = 300,
maxRenderWait = 10000,
url='http://handsup-releases.eu/';

var page          = require('webpage').create(),
count         = 0,
forcedRenderTimeout,
renderTimeout;

page.settings = {
userAgent: 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.75 Safari/537.36',
javascriptEnabled: true,
loadImages: true
};
page.viewportSize = { width: 1280, height : 1024 };

function doRender() {
page.render('twitter.png');
fs.write('1.html', page.content, 'w');
phantom.exit();
}

page.onResourceRequested = function (req) {
count += 1;
console.log('> ' + req.id + ' - ' + req.url);
clearTimeout(renderTimeout);
};

page.onResourceReceived = function (res) {
if (!res.stage || res.stage === 'end') {
count -= 1;
console.log(res.id + ' ' + res.status + ' - ' + res.url);
if (count === 0) {
renderTimeout = setTimeout(doRender, resourceWait);
}
}
};

page.open(url, function (status) {
if (status !== "success") {
console.log('Unable to load url');
//  phantom.exit();
} else {
forcedRenderTimeout = setTimeout(function () {
console.log(count);
doRender();
}, maxRenderWait);
}
});