This summary is mainly about two aspects of the need: one, in the Browser different tab tab between the time switch (colleagues used to constantly refresh the grid Crontol monitoring page); second, the implementation of opening multiple windows, and the window zoom to a certain extent, and fill the entire desktop, Refresh several pages at different intervals.One, switch between tabsBefore this by looking for a browser plug-in tab-rotator implementation of its requirements, did not write the prog
of the driver to any of the following links to download: The system uses 2.37http:// npm.taobao.org/mirrors/chromedriver/http://selenium-release.storage.googleapis.com/index.htmlhttp:// Chromedriver.storage.googleapis.com/index.html after the download is complete, unzip, and then copy to the/usr/local/bin directory, open. Opening cannot be copied, requires permission, use the following command sudo mv/ USERS/VIP/DOWNLOADS/CHROMEDRIVER/USR/LOCAL/BIN4)
); function f() { if (y
Note that in the above code, I did not open the page immediately, but first executed a JavaScript script on the page, first dragged the page's scroll bar to the bottom, and then dragged back to the top, then. The advantage is that if there is some delayed loading content at the bottom of the page, it is usually loaded after this operation.
Compared with browser plug-ins such as PageSaver,
Talking about python crawlers Using Selenium to simulate browser behavior, pythonselenium
A reader asked me a crawler question a few days ago, that is, when I climbed to the popular dynamic pictures on the Baidu Post Bar homepage, The crawled pictures were always incomplete, it is less visible than the homepage. The reason is that the image is dynamically loaded. The problem is how to crawl these Dynamically Loaded Images.
Analysis
His
How the environment is built
Required JAR Package: Selenium-server-standalone-2.53.1.jar
Add the above jar package and JUnit to the build path
1. Writing scripts
At first, I didn't know the specific syntax of webdriver, so I changed the format to Java/webdriver/junit with the Selenium IDE, and then copied the code into eclipse, and made the changes on that basis.
selenium sub-version 1 and version 2, where the installation is version 2 of the selenium. 650) this.width=650; "src=" Https://code.csdn.net/assets/ico_fork.svg "alt=" derived to My Code slice "width=" "height=" "/>"#-*-coding:utf-8-*-fromseleniumimportwebdriverfrom selenium.common.exceptionsimporttimeoutexceptionfrom selenium.webdriver.support.uiimportwebdriver
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 render pages in the same effect as the browser. Selenium is a web Testing Framework. Use
1. Search for selenium IDE in Firefox add-ons2. Click View more in the search results and jump to the https://addons.mozilla.org/website3. Select Selenium IDE Button, Selenium IDE(the reference is said to also need to install Selenium ide:ruby formatters, Selenium ide:python
attribute using find_element_by_namemetho D. Detailed explanation of finding elements is available in the locating elements Chapter:Driver. Find_element_by_name("Q") Next We are sending keys, which is the similar to entering keys using your keyboard. Special keys can be send using the keys class imported from Selenium.webdriver.common.keys:Elem. Send_keys("Pycon")elem. Send_keys(keys. RETURN) After submission of the page, you should get result as per search if there are any. T
1. Create two inheritance classes under the same package: 2. The code implementation in the class is: Package org. codeinfo. Demo; Import java. util. Concurrent. timeunit; Import org. openqa. Selenium.;Import org. openqa. Selenium. WebDriver;Import org. openqa. Selenium. Firefox. firefoxdriver; Public class util
Test courses at school, access to automated management tools, and work with teaching assistants to change jobs, so think about learning selenium, a powerful web automation tool.1.lenium official website: http://www.seleniumhq.org/Download the Selenium installation package here, I downloaded the selenium-java-3.8.0. The specific
directly from JavaScript code (time consuming and laborious)②, run JavaScript in Python's third-party library, and directly capture the pages you see in your browser (this is available).SeleniumSelenium can use our instructions to let the browser automatically load the page, get the required data, or even screen screenshots, or determine whether certain actions on the site occur.Selenium library Https://pypi.python.org/simple/
This article mainly introduces the Python selenium implementation of the file upload all methods to summarize, with a certain reference value, interested in small partners can refer to.
File upload is all UI Automation testing to face a headache problem, today bloggers here to share their own experience in handling documents upload, hoping to help the vast number of files uploaded to the pit Seleniumer.
First of all, we have to distinguish between th
This experiment was conducted using selenium for automated testingThe following steps are mainly divided into:1. Install Seleniumide plug-in2. Learn to use Seleniumide to record scripts and export scripts3, Access http://www.ncfxy.com Use the number of login system (account name is the school number, the password for the school number after 6), enter the system can see the user's mailbox.4, write Selenium J
) program, and start with an interactive mode. You can enter: from selenium import WebdriverThe above command is to import selenium related packages, if no error after carriage return indicates that our selenium installation is successful.CTRL + N or file->new file opens a new window and enters the following code: #
Selenium IDE recording login operation, export Java/Junit 4/WebDriver, junitwebdriver
Selenium IDE can record simple browser operations and export the desired code.
Before using Selenium 2.46 to officially do some things, I plan to use IDE To record simple login operations, export them into Java
, and the images are complete.Http://photo.hupu.com/nba/tag/spursHttp://photo.hupu.com/nba/tag/chen LuSource code:
1 #-*-coding: UTF-8-*-2 "3 Crawling pictures by selenium and urllib 4 url: Tigers spurs http://photo.hupu.com/nba/tag/%E9%A9%AC%E5%88%BA 5 url: tiger flutter Chen Lu http://photo.hupu.com/nba/tag/%E9%99%88%E9%9C%B2 6 Created on 7 @ author: eastmount CSDN 8 "9 10 import time 11 import re 12 imp
Before watching ethanol video mentioned that selenium's Ruby implementation has a small back door, add $debug=1 in the code, and then run the script, you can see the client requested information and server-side data returned; Think this is a powerful feature, can help to understand how Webdriver works.
After a long search, Python did not provide such a convenient backdoor, but we can obtain these interactive information through the proxy way;
First,
1. Forced waitThe first is also the most simple and rough one way is to force waiting for sleep (xx), the force of the Lightning, such as XX time, whether the bump can keep up with the speed, or has been early, must wait xx time.Look at the code:?
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#-*-coding:utf-8-*- from selenium Import webdriver from time import sleep driver = webdriver. Firefox () driver.ge
toggle-button (checkbox/radio) is checked. Fails if the specified element doesn' t exist or isn' t a toggle-button.
Get_alert (): Retrieves the message of a JavaScript alert generated during the previous action, or fail if there were no alerts. getting an alert has the same effect as manually clicking OK. if an alert is generated but you do not consume it with getAlert, the next Selenium action will fail. under
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