pip install selenium

import time
from selenium import webdriver

browser = webdriver.Chrome('C:\Program Files (x86)\Google\ChromeDriver\chromedriver.exe') # 可选参数，如果不指定将搜索环境变量

browser.get('http://www.baidu.com/')

time.sleep(5)

import time

from selenium import webdriver

from selenium.webdriver.common.keys import Keys

driver = webdriver.Chrome('C:\Program Files (x86)\Google\ChromeDriver\chromedriver.exe')

driver.get('https://www.baidu.com/')

elem = driver.find_element_by_id('kw')

elem.send_keys("test")

elem.send_keys(Keys.RETURN)

print(driver.page_source)

#<input type="text" name="passwd" id="passwd-id" />

element = driver.find_element_by_id("passwd-id")

element = driver.find_element_by_name("passwd")

element = driver.find_elements_by_tag_name("input")

element = driver.find_element_by_xpath("//input[@id='passwd-id']")

C:\Users\bin\AppData\Local\Programs\Python\Python36\python.exe C:/Users/bin/PycharmProjects/Test/Test/Crawler/TestSelenium.py

Traceback (most recent call last):

  File "C:\Users\bin\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\common\service.py", line 74, in start

    stdout=self.log_file, stderr=self.log_file)

  File "C:\Users\bin\AppData\Local\Programs\Python\Python36\lib\subprocess.py", line 707, in __init__

    restore_signals, start_new_session)

  File "C:\Users\bin\AppData\Local\Programs\Python\Python36\lib\subprocess.py", line 990, in _execute_child

    startupinfo)

FileNotFoundError: [WinError 2] 系统找不到指定的文件。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "C:/Users/bin/PycharmProjects/Test/Test/Crawler/TestSelenium.py", line 3, in <module>

    browser = webdriver.Chrome()

  File "C:\Users\bin\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\chrome\webdriver.py", line 62, in __init__

    self.service.start()

  File "C:\Users\bin\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\common\service.py", line 81, in start

    os.path.basename(self.path), self.start_error_message)

selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable needs to be in PATH. Please see https://sites.google.com/a/chromium.org/chromedriver/home