selenium安裝后，需要安裝瀏覽器驅動

google的驅動：chromedriver.exe

驅動版本與chrome版本對應的目錄：

http://npm.taobao.org/mirrors/chromedriver/2.32/notes.txt

 

驅動各版本的下載地址：http://npm.taobao.org/mirrors/chromedriver

from selenium import webdriver

bs=webdriver.Chrome('C:\Program Files (x86)\Google\Chrome\Application\chromedriver')

chrome的首字母要大寫，chromedriver要放到chrome.exe的目錄下，調用時要給出chromedriver的全目錄包括文件名‘chromedriver.exe’

Firefox的驅動：從前的版本好像不需要安裝驅動，后來需要安裝firefoxdriver.exe,

Firefox Driver comes with Selenium/Webdriver itself. No need to launch an external server (like Chromedriver). It is all built-in.

http://code.google.com/p/selenium/wiki/FirefoxDriver

再后來據說被GeckoDriver 替代了，沒有核實，google用的比較順手。

note: as of selenium 3.0, FirefoxDriver has been replaced by GeckoDriver (which is external)