天下三 藏宝阁
var page = require('webpage').create();
page.viewportSize = {width: 1200,height: 1500};
page.settings.useragent='Mozilla/5.0 (X11; ubuntu; linux i686; rv:48.0) Gecko/20100101 Firefox/48.0';
var webSite='https://tx3.cbg.163.com/cgi-bin/equipquery.py?act=show_overall_search';
/*
加载外部js，不过好像加载了就会和网页里的有冲突
page.includeJs(
'https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js',
function() {
waitFor(function() {
return page.evaluate(function() {
return $("#pager").children('a').length>3;
});
}, function() {
console.log("content has been load");
page.render("output.png");
phantom.exit();
},10000);
}
);
*/
//死等，会把资源抢尽，不建议
function sleep(n) {
var start = new Date().getTime();
while (true) {
if (new Date().getTime() - start > n) {
break;
}
}
}
//等待某个目标达成后去执行某个程序
"use strict";
function waitfor(testFx, onReady, timeOutMillis) {
var maxtimeOutMillis = timeOutMillis ? timeOutMillis : 3000, //< Default Max Timout is 3s
start = new Date().getTime(),
condition = false,
Interval = setInterval(function() {
if ( (new Date().getTime() - start < maxtimeOutMillis) && !condition ) {
// If not time-out yet and condition not yet fulfilled
condition = (typeof(testFx) === "string" ? eval(testFx) : testFx()); //< defensive code
} else {
if(!condition) {
// If condition still not fulfilled (timeout but condition is 'false')
console.log("'waitFor()' timeout");
page.render("timeout.png");
phantom.exit(1);
} else {
// Condition fulfilled (timeout and/or condition is 'true')
console.log("'waitFor()' finished in " + (new Date().getTime() - start) + "ms.");
typeof(onReady) === "string" ? eval(onReady) : onReady(); //< Do what it's supposed to do once the condition is fulfilled
clearinterval(interval); //< Stop this interval
}
}
}, 500); //< repeat check every 250ms
};
function isCbgLoadSuss(){
return page.evaluate(function() {
return document.getelementbyid("pager").childElementCount>1;
});
}
function makeAScreen(name){
console.log("make a screenShot "+ name);
page.render(name+".png");
}
function changeAttr(type,attr)
{
page.evaluate(function(type,attr){
switch(type)
{
case 1:
document.getElementsByName("equ_xiuwei_min")[0].value=attr;
break;
case 2:
document.getElementsByName("equ_xiuwei_max")[0].value=attr;
break;
}
},type,attr);
}
page.onLoadFinished = function(status){
var script1="function(){search();}";
var script2="function(){search_role_price_down();}";
var script3="function(){search_role_price_up();}";
console.log("onLoadFinished");
changeAttr(1,85000);
page.evaluatejavaScript(script1);
waitFor(function(){return isCbgLoadSuss()}, function() {
makeAScreen("item_show");
page.evaluateJavaScript(script3);
waitFor(function(){
return isCbgLoadSuss();
},function(){
makeAScreen("price_up");
phantom.exit();
},10000);
},10000);
};
page.open(webSite, function(status){
console.log("Status:connect "+status);
if(status == "success"){
//
}
});
文章最后发布于: 2018-07-29 16:13:05
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