python selenium 滚动条处理、页面拖动

  selenium中没有直接控制滚动条的方法,能够使用方法:execute_script(),能够直接执行js的脚本。web

  1、竖向滚动条控制,三种方法总有一款适合你。windows

    1.滚动条拉到最底:ui

      js="var q=document.documentElement.scrollTop=10000"spa

      driver.execute_script(js)3d

    2.滚动条拉到最底:    code

      js="var q=document.getElementById('id').scrollTop=10000"blog

      driver.execute_script(js)ip

      这里的id为滚动条的id,滚动条没有id的网页此方法不适用。ci

    3.滚动条拉到最底:element

      js = "var q=document.body.scrollTop=10000"

      driver.execute_script(js)

      能够修改scrollTop 的值来定位右侧滚动条的位置,0是最最顶部,10000是最底部。   

            在百度中搜索selenium,拖动滚动条至最底端:

from selenium import webdriver from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By from time import sleep driver = webdriver.Chrome() driver.get("https://www.baidu.com") driver.maximize_window() # 搜索 selenium
driver.find_element_by_id("kw").send_keys("selenium") driver.find_element_by_id("su").click() # 等待元素可见
WebDriverWait(driver,10).until(EC.visibility_of_element_located((By.XPATH,'//*[@id="5"]/h3/a'))) # 将滚动条下拉至最低
js="var q=document.documentElement.scrollTop=10000" driver.execute_script(js)

   2、横向滚动条控制

    1.经过坐标控制横向和纵向滚动条 scrollTo(x, y)

    js = "window.scrollTo(100,400);"

    driver.execute_script(js)

 

  3、将目标元素拖动到页面可见区域

    1.可见元素与页面“底端”对齐,scrollIntoView(false)

    2.可见元素与页面“顶端”对齐,scrollIntoView()

  在百度中搜索selenium,拖动元素至页面底端,便于点击操做(由于在百度中将元素拖动至页面顶端时,会被百度网页自带的表头遮挡住,点击时会报错)

from selenium import webdriver from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By from time import sleep driver = webdriver.Chrome() driver.get("https://www.baidu.com") driver.maximize_window() # 搜索 selenium
driver.find_element_by_id("kw").send_keys("selenium") driver.find_element_by_id("su").click() # 等待元素可见
WebDriverWait(driver,10).until(EC.visibility_of_element_located((By.XPATH,'//*[@id="5"]/h3/a'))) # 1.先找到元素
element = driver.find_element_by_xpath('//*[@id="5"]/h3/a') # 2.利用js将元素拖动到可见区域
driver.execute_script("arguments[0].scrollIntoView(false);",element)  #可见元素与页面“底端”对齐

 执行结果以下:

 

  3、滚动页面到最底部

      方法:window.scrollTo

      driver.execute_script("window.scrollTo(0,document.body.scrollHeight)")

from selenium import webdriver from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By from time import sleep driver = webdriver.Chrome() driver.get("https://www.baidu.com") driver.implicitly_wait(20) driver.maximize_window() # 搜索 selenium
driver.find_element_by_id("kw").send_keys("selenium") driver.find_element_by_id("su").click() # 等待元素可见
WebDriverWait(driver,10).until(EC.visibility_of_element_located((By.XPATH,'//*[@id="5"]/h3/a'))) # 1.操做元素
driver.find_element_by_xpath('//*[@id="5"]/h3/a').click() # 2.等待新窗口打开
WebDriverWait(driver,10).until(EC.new_window_is_opened(windows)) # 获取当前全部窗口句柄
windows = driver.window_handles # 3.切换到最后一个窗口
driver.switch_to.window(windows[-1]) # 滚动页面到最底部
driver.execute_script("window.scrollTo(0,document.body.scrollHeight)") sleep(5) driver.quit()

 

 

 

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