在用selenium獲取頁面時,很多時候需要將滾動條拖到頁面底部,下面總結了幾種方法.
目錄
location_once_scrolled_into_view
#coding=utf-8
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.action_chains import ActionChains
browser=webdriver.Chrome("G:/dj/chromedriver.exe")
wait=WebDriverWait(browser,10)
browser.set_window_size(1400,900)
import time
def search():
try:
browser.get("https://www.taobao.com") target=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,"body > div:nth-child(29)")))
target.location_once_scrolled_into_view
except TimeoutException:
search()
search()
target 頁面底部的元素
如果頁面是ajax動態渲染的,頁面的高度隨時變化的,所以這個方法很有可能跳不到頁面底部
ActionChains
#coding=utf-8
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.action_chains import ActionChains
browser=webdriver.Chrome("G:/dj/chromedriver.exe")
wait=WebDriverWait(browser,10)
browser.set_window_size(1400,900)
import time
def search():
try:
browser.get("https://www.taobao.com")
total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,"body > div:nth-child(29)")))
target = browser.find_element_by_css_selector('body > div:nth-child(29)')
actions = ActionChains(browser)
actions.move_to_element(target)
actions.perform()
except TimeoutException:
search()
search()
如果頁面是ajax動態渲染的,頁面的高度隨時變化的,所以這個方法很有可能跳不到頁面底部
js方法scrollIntoView
#coding=utf-8
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.action_chains import ActionChains
browser=webdriver.Chrome("G:/dj/chromedriver.exe")
wait=WebDriverWait(browser,10)
browser.set_window_size(1400,900)
import time
def search():
try:
browser.get("https://www.taobao.com") total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,"body > div:nth-child(29)")))
browser.execute_script('arguments[0].scrollIntoView(true);', total)
except TimeoutException:
search()
search()
如果頁面是ajax動態渲染的,頁面的高度隨時變化的,所以這個方法很有可能跳不到頁面底部
js方法scrollBy
#coding=utf-8
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.action_chains import ActionChains
browser=webdriver.Chrome("G:/dj/chromedriver.exe")
wait=WebDriverWait(browser,10)
browser.set_window_size(1400,900)
import time
def search():
try:
browser.get("https://www.taobao.com")
total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,"body > div:nth-child(29)")))
for i in range(15):
browser.execute_script("window.scrollBy(0, 1000)")
time.sleep(1)
except TimeoutException:
search()
search()
time.sleep必須要加
適合ajax動態渲染的頁面,分多次跳到頁面底部
send_keys(Keys.END)模擬向頁面發送空格鍵
#coding=utf-8
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.ui import WebDriverWait
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.common.action_chains import ActionChains
browser=webdriver.Chrome("G:/dj/chromedriver.exe")
wait=WebDriverWait(browser,10)
browser.set_window_size(1400,900)
import time
def search():
try:
browser.get("https://www.taobao.com")
total=wait.until(EC.presence_of_element_located((By.CSS_SELECTOR,"body > div:nth-child(29)")))
for i in range(5):
browser.find_element_by_tag_name('body').send_keys(Keys.END)
time.sleep(1)
except TimeoutException:
search()
search()
適合ajax動態渲染的頁面,分多次跳到頁面底部
頁面為ajax動態加載
driver = webdriver.Chrome()
read_mores = driver.find_elements_by_xpath('//a[text()="加載更多"]')
for read_more in read_mores:
driver.execute_script("arguments[0].scrollIntoView();", read_more)
driver.execute_script("$(arguments[0]).click();", read_more)
原文: https://rumenz.com/rumenbiji/python3-selenium-scrollToBottom.html