如果你想滚动到无限页面的底部(如linkedin.com)，你可以使用下面的代码:

SCROLL_PAUSE_TIME = 0.5

# Get scroll height
last_height = driver.execute_script("return document.body.scrollHeight")

while True:
    # Scroll down to bottom
    driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")

    # Wait to load page
    time.sleep(SCROLL_PAUSE_TIME)

    # Calculate new scroll height and compare with last scroll height
    new_height = driver.execute_script("return document.body.scrollHeight")
    if new_height == last_height:
        break
    last_height = new_height

参考:https://stackoverflow.com/a/28928684/1316860

我正在寻找一种滚动浏览动态网页的方法，并在到达页面末尾时自动停止，并找到了这个线程。

@Cuong Tran的这篇文章，有一个主要的修改，是我一直在寻找的答案。我认为其他人可能会发现这个修改很有帮助(它对代码的工作方式有明显的影响)，因此写了这篇文章。

修改是将捕获最后一页高度的语句移动到循环内部(以便每个检查都与前一页高度进行比较)。

所以，下面的代码:

连续向下滚动一个动态网页(. scrollto())，只有在一次迭代中，页面高度保持相同时才停止。

(还有另一个修改，其中break语句在另一个条件(以防页面“卡住”)中，可以删除)。

    SCROLL_PAUSE_TIME = 0.5


    while True:

        # Get scroll height
        ### This is the difference. Moving this *inside* the loop
        ### means that it checks if scrollTo is still scrolling 
        last_height = driver.execute_script("return document.body.scrollHeight")

        # Scroll down to bottom
        driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")

        # Wait to load page
        time.sleep(SCROLL_PAUSE_TIME)

        # Calculate new scroll height and compare with last scroll height
        new_height = driver.execute_script("return document.body.scrollHeight")
        if new_height == last_height:

            # try again (can be removed)
            driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")

            # Wait to load page
            time.sleep(SCROLL_PAUSE_TIME)

            # Calculate new scroll height and compare with last scroll height
            new_height = driver.execute_script("return document.body.scrollHeight")

            # check if the page height has remained the same
            if new_height == last_height:
                # if so, you are done
                break
            # if not, move on to the next loop
            else:
                last_height = new_height
                continue

这段代码滚动到底部，但不需要每次都等待。它会不断滚动，然后在底部停止(或超时)

from selenium import webdriver
import time

driver = webdriver.Chrome(executable_path='chromedriver.exe')
driver.get('https://example.com')

pre_scroll_height = driver.execute_script('return document.body.scrollHeight;')
run_time, max_run_time = 0, 1
while True:
    iteration_start = time.time()
    # Scroll webpage, the 100 allows for a more 'aggressive' scroll
    driver.execute_script('window.scrollTo(0, 100*document.body.scrollHeight);')

    post_scroll_height = driver.execute_script('return document.body.scrollHeight;')

    scrolled = post_scroll_height != pre_scroll_height
    timed_out = run_time >= max_run_time

    if scrolled:
        run_time = 0
        pre_scroll_height = post_scroll_height
    elif not scrolled and not timed_out:
        run_time += time.time() - iteration_start
    elif not scrolled and timed_out:
        break

# closing the driver is optional 
driver.close()

这比每次等待0.5-3秒的响应要快得多，因为每次响应可能需要0.1秒

这些答案都不适合我，至少不适合滚动facebook搜索结果页面，但经过大量测试后，我发现这个解决方案:

while driver.find_element_by_tag_name('div'):
    driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
    Divs=driver.find_element_by_tag_name('div').text
    if 'End of Results' in Divs:
        print 'end'
        break
    else:
        continue

只是目前提供的解决方案的一个小变化:有时在刮痧中你必须满足以下要求:

一步一步地滚动。否则，如果你总是跳到底部，一些元素只作为容器/div加载，但它们的内容没有加载，因为它们从来都不可见(因为你直接跳到底部); 为加载内容留出足够的时间; 这不是一个无限滚动的页面，有一个终点，你必须确定什么时候到达终点;

下面是一个简单的实现:

from time import sleep
def keep_scrolling_to_the_bottom():
    while True:
        previous_scrollY = my_web_driver.execute_script( 'return window.scrollY' )
        my_web_driver.execute_script( 'window.scrollBy( 0, 230 )' )
        sleep( 0.4 )
        if previous_scrollY == my_web_driver.execute_script( 'return window.scrollY' ):
            print( 'job done, reached the bottom!' )
            break

测试和工作在Windows 7 x64, Python 3.8.0, selenium 4.1.3，谷歌Chrome 107.0.5304.107，物业租赁网站。

当使用youtube时，浮动元素给出值“0”作为滚动高度 与其使用return document。body。scrollHeight"尝试使用这个"return document。documentelement。scrollHeight" 根据您的网速调整滚动暂停时间 否则它将只运行一次，然后在此之后中断。

SCROLL_PAUSE_TIME = 1

# Get scroll height
"""last_height = driver.execute_script("return document.body.scrollHeight")

this dowsnt work due to floating web elements on youtube
"""

last_height = driver.execute_script("return document.documentElement.scrollHeight")
while True:
    # Scroll down to bottom
    driver.execute_script("window.scrollTo(0,document.documentElement.scrollHeight);")

    # Wait to load page
    time.sleep(SCROLL_PAUSE_TIME)

    # Calculate new scroll height and compare with last scroll height
    new_height = driver.execute_script("return document.documentElement.scrollHeight")
    if new_height == last_height:
       print("break")
       break
    last_height = new_height