For Internet people, web data scraping has become an urgent and real requirement. In today's open source era, the problem is often not whether there is a solution, but how to choose the right solution for you, because there are always a lot of potential options for you to choose from. Web data scraping of course is no
interpreter,selenium can be downloaded according to my first blog's practice. PHANTOMJS, you can directly through the link I gave to download. When the two are all installed, you can start data capture formally. Of course, the example is my blog ~First on the sample code!#-*-coding:utf-8-*-# fromSeleniumImportWebdriverdefcrawling_webdriver ():#get local session of PHANTOMJSDriver = Webdriver. PHANTOMJS (ex
The art of data grabbing (i): SELENIUM+PHANTOMJS data Crawl environment configuration 2013-05-15 15:08:14Category: Python/rubyData fetching is an art, and unlike other software, there is no perfect, consistent, universal Crawler in the world. For different purposes, different code needs to be customized. However, we do not have to start from Scratch, there are a
C # Use Selenium + PhantomJS to capture data,
The project at hand needs to capture data from a website rendered with js. There is no data on the page captured by using the commonly used httpclient. After surfing Baidu, we recommend using PhantomJS. PhantomJS is a webkit browser with no interface. It can use js to rende
by @ Eat Watermelon Star remind
First we introduce the next selenium
Selenium is also a tool for Web application testing. The selenium test runs directly in the browser, just as the real user is doing. Supported browsers include IE, Mozilla Firefox, Mozilla Suite, and more. The main features of this tool include: test and browser compatibility--test your applicat
This paper mainly introduces the method of using SELENIUM+PHANTOMJS to fetch data in C #, which has a good reference value, and then look at it together with the small series.
The project at hand needs to fetch data from a Web site that is rendered with JS. Using the usual httpclient to grab back the page is no data.
The project at hand needs to fetch data from a Web site that is rendered with JS. Using the usual httpclient to grab back the page is no data. Baidu on the Internet a bit, we recommend the plan is to use PHANTOMJS. PHANTOMJS is a WebKit browser with no interface, and can use JS rendering page consistent with browser effect. Selenium is a Web testing framework. Us
Selenium, as a tool for testing Web applications.1, configure the path and browser of selenium, I use Firefoxwebdriver.firefox.bin=d:/tools/firefox/firefox.exewebdriver.gecko.driver=d:/project/geckodriver.exeselenium.propertiesrespectively, the installation path of Firefox and the driving path of Firefox, the main driver is to drive Firefox auto-Open, click the button and other operations.2, Public classsel
")). Select_by_visible_text ( ' Red ')Refresh PageWb.refresh ()Close pageWb.close ()4. FeaturesBetween JS, H5 trend, most of the site is mixed with JS data loading, the data is delayed loading. We need to make the page JS rendering data loaded completely, and then start parsing. Using third-party libraries is simpler, but at the expense of some efficiency.
Selenium can call the browser to Obtain Dynamic html values and then call its API to Obtain Dynamic Data. Tested, it is really easy to use, and the efficiency is not detailed. Code reference: http://my.oschina.net/flashsword/blog/147334 (to the original author ). [Preface] I have read other articles about setting the environment variable path and also mentioned selenium
Record a fast implementation of the Python crawler, want to crawl Zhongcai network data engine of the new Sanbanxi plate, the company profile of all the shares, the URL is http://data.cfi.cn/data_ndkA0A1934A1935A1986A1995.html.Relatively simple site different page number of the link is also different, you can see the changes in the link to find the rules, and then generate all the page number corresponding to the link to crawl, but this site in the ch
Don't say much nonsense, just say the point:At the beginning of the time, agent IP, head information pool, have been done, using SELENIUM+PHANTOMJS to get JS dynamic loading of the source codeAt first very good, can come out of the dynamic load after the source code, but after several runs, the computer a little lag (estimated that the storage is too small), the source will not get, the data returnedIt's al
Get the value of a cell in a table of a Web page, directly on the code as follows: Packagecom.table;Importjava.util.List;Importorg.openqa.selenium.By;ImportOrg.openqa.selenium.WebDriver;Importorg.openqa.selenium.WebElement;ImportOrg.openqa.selenium.chrome.ChromeDriver;/*** @ClassName: TestTable * @Description: TODO (Get the value of a cell in a table) *@authorQiaojiafei * @date December 4, 2015 morning 10:32:44 **/ Public classtesttable {Webdriver Dr=NULL; Public voidinit () {System.setproperty
(Diver.page_source,'lxml') Items=soup.find ('Div',{'class':'con_reference'}). Find_all ('Li') forIinchItems:PrintI.find ('a'). Get_text ()#Close Web pageDiver.close ()Attention:Code in red callout, I because of this mistake, got a half dayI encountered a problem, each time the first crawl, click the event does not respond, use breakpoints to see the discovery again, the back can be, this I do not know why this is the caseChrome Click event does not executeIf you do not want to see the browser a
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.