Detailed explanation of Python's Selenium automated browser testing

Selenium of Python (automated browser testing)

1. Install selenium

pip install selenium -i https://pypi.tuna.tsinghua.edu.cn/simple

2. Download the corresponding version of the browser driver

http://npm.taobao.org/mirrors/chromedriver/

this is mine.

Put the decompressed driver in your own python.exe directory.

3. Test the code, open a webpage, and get the title of the webpage

from selenium.webdriver import Chrome
if __name__ == '__main__':
    web = Chrome()
    web.get("https://baidu.com")
    print(web.title)

4. A small example

from selenium.webdriver import Chrome
if __name__ == '__main__':
    web = Chrome()
    url = 'https://ac.nowcoder.com/acm/home'
    web.get(url)
	# 获取要点击的a标签
    el = web.find_element_by_xpath('/html/body/div/div[3]/div[1]/div[1]/div[1]/div/a')
	# 点击
    el.click()                          # "/html/body/div/div[3]/div[1]/div[2]/div[2]/div[2]/div[1]/h4/a"
    # 爬取想要的内容
    lists = web.find_elements_by_xpath("/html/body/div/div[3]/div[1]/div[2]/div[@class='platform-item js-item ']/div["
                                       "2]/div[1]/h4/a")
    print(len(lists))
    for i in lists:
        print(i.text)

5. Automatic input and jump

from selenium.webdriver import Chrome
from selenium.webdriver.common.keys import Keys
import time
if __name__ == '__main__':
    web = Chrome()
    url = 'https://ac.nowcoder.com/acm/home'
    web.get(url)
    el = web.find_element_by_xpath('/html/body/div/div[3]/div[1]/div[1]/div[1]/div/a')
    el.click()
    time.sleep(1)
    input_el = web.find_element_by_xpath('/html/body/div/div[3]/div[1]/div[1]/div[1]/form/input[1]')
    input_el.send_keys('牛客', Keys.ENTER)
    # 　do something

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