phantomjs as service

Nodejs uses phantomjs to download the webpage. nodejsphantomjs The function is actually very simple. You can use phantomjs.exe to collect url-loaded resources and use sub-processes to start nodejs to load all resources. For css resources, match the css content, download the url Resource Of course, the function is still very simple. In the case of responsive design and asynchronous loading, there are still a lot of resources that cannot be downloaded a

PHANTOMJS can be configured with the proxy IP#coding =utf-8Import OSImport reImport timeImport requestsFrom Scrapy.selector import HtmlxpathselectorFrom scrapy.http import HtmlresponseFrom selenium import WebdriverFrom Selenium.webdriver.common.proxy import ProxytypeImport SysReload (SYS)Sys.setdefaultencoding ("Utf-8")Import warningsWarnings.filterwarnings ("Ignore")if __name__ = = ' __main__ ':Path_phantomjs=r ' D:\

()Installing PHANTOMJS http://phantomjs.org/ Download installation Add directory to path (copy exe to Python directory if problem is used) Capture the entire Web page#-*-coding:utf-8-*- fromSeleniumImportWebdriver fromUrllibImportQuoteImportsysreload (SYS) sys.setdefaultencoding ('Utf-8') Driver=webdriver. PHANTOMJS (executable_path="C:\Python27\phantomjs.exe") URL=quote ("searchtype=

Phantomjs because it is a headless browser can run JS, so the same can run the DOM node, used to crawl the web is better. For example, we want to bulk crawl Web page "Today in history" content. Website The observation of the DOM structure shows that we only need to take the title value of the. List Li A. So we use the advanced selector to build the DOM fragment var d= ' var c = document.queryselectorall ('. List li a ') var l = c.length; for

Selenium collecting page elementsPHANTOMJS is mostly analog loginThere's not much to say, on the code.From selenium import Webdriverimport selenium.webdriver.support.ui as Uiimport timedef crawl_cnblogs (blog_url,username , pwd): Driver = Webdriver. PHANTOMJS () driver.get ("Http://passport.cnblogs.com/user/signin?") returnurl=http%3a%2f%2fwww.cnblogs.com%2f ") wait = UI. Webdriverwait (Driver, ten) Wait.until (Lambda dr:dr.find_element_by_id (' signi

Using system;using system.collections.generic;using system.linq;using system.web;using System.Configuration;using system.io;/// This file was not a browser-run JavaScript but phantonjs scriptvar system = require (' system '); var address = system.args[ 1];var output = System.args[2];var page = require (' webpage '). Create ();p age.papersize = {format: ' A4 ', Orientation: ' LAN Dscape ', border: ' 1cm '};p age.open (address, function (status) {if (Status!== ' success ') {Console.log (' unable

EnvironmentOperating system: CentOS 6.7 32-bitPython version: 2.6.6Third-party pluginsSeleniumPhantomjsBeautifulSoupCode#-*-coding:utf-8-*-Importsysreload (SYS) sys.setdefaultencoding ('Utf-8')" "The stars last night" "ImportReImportOSImport TimeImportShutilImportRequestsImportsubprocess fromBs4ImportBeautifulSoup fromSeleniumImportWebdriver#Stitching URLdefJoint_url (String):return 'https:'+string#determine if the folder exists and delete it if it exists, or create it. defCreate_folder (path):i

#Conding:utf-8ImportUnitTest fromSeleniumImportWebdriver fromUrllib.requestImport*ImportReImport Time fromBs4ImportBeautifulSoup#Test ClassclassBaidupic (unittest. TestCase):#Initialize Test defsetUp (self): SELF.DV=Webdriver. PHANTOMJS ()#test Method deftest_getpic (self): DV=SELF.DV Dv.get ("http://image.baidu.com/") dv.find_element_by_id ("kw"). Send_keys ("Beauty") Dv.find_element_by_class_name ("s_btn"). Click () time.sleep (1) #Scro

,db):‘‘‘constructor function:p Aram Websearchurl: Search Page URL:p Aram pagecountlable: Search page Labels:p Aram Htmllable: tags to search for:p Aram Originalurllabel: The URL tag for each record:p Aram Nexturllabel: Next page tab:p Aram Keywords: keywords to search, separated by semicolons in the middle of multiple keywords (;):P Aram DB: Saving the Database engine‘‘‘Thread.__init__ (self)Self.websearchurl = WebsearchurlSelf.pagecountlable = pagecountlableSelf.htmllable = htmllableSelf.origin

1. Download Phantomjshttp://phantomjs.org/2. ImplementationNew Phantomjs.bat, remember to change the folder pathThe contents are:D:\java\phantomjs\phantomjs.exe D:\java\phantomjs\code\server.js 80803, the new Server.js file, put in the Code folder, note that the Code folder is also new, the following is the Server.js contentvar page = require (' webpage '). Create (); var server = require (' webserver '). C

OverviewThis blog is in the previous blog Phantomjs+nodejs+mysql data fetching (1. Fetching data) http://blog.csdn.net/jokerkon/article/details/50868880 After the second part, please read this blog before reading the previous article, because there are some of the code will be used in the previous part of the crawl results.Okay, now start the formal crawl of the picture.First, let's take a look at the code:var page =require (' webpage ')

Students who have done selenium automation projects should have encountered the problem of having too many test cases and running too slow to make team members complain.So there's a way to run selenium test cases selenium grid and multithreading. The advantages and disadvantages of these methods are not listed here. However, in general, if the browser is running fast enough, the use case execution speed of multi-thread concurrency should be able to meet the actual project requirements.Reference

Horseman is a node. js module that makes it easier to use PHANTOMJS for functional testing, page automata, network monitoring, screen capture, and more. It provides direct, chained API, easy-to-understand control flow, and avoids callback traps.Official website GitHub　Related articles that may be of interest to you The JQuery effect "attached source" is very useful in website development Share 35 amazing CSS3 animation effects Demo Stunning

Get a snapshot by using phantomJS Here is the source code about obtain a snapshot of a website by using phantomJS. var webPage = require("webpage"), address, filename, height, width; // generate webPage objectvar page = webPage.create(); // generate one pagevar system = require("system"); // generate system object to obtain parametersvar args = system.args; // get the number of input parametersc