获取豆瓣网站前30个电影的名字

import time
from selenium import webdriver
from selenium.webdriver.common.by import By


def scroll_to_bottom():
    js = "return action=document.body.scrollHeight"
    height = 0  # 初始化现在滚动条所在高度为0
    new_height = driver.execute_script(js)  # 当前窗口总高度
    while height < new_height:
        # 将滚动条调整至页面底部
        for i in range(height, new_height, 200):
            driver.execute_script('window.scrollTo(0, {})'.format(i))
            time.sleep(0.5)
        height = new_height
        time.sleep(0.5)
        new_height = driver.execute_script(js)
        if condition():
            break


# 终止条件
def condition():
    try:
        driver.find_element(By.XPATH,"/html/body/div[3]/div[1]/div/div[1]/div[6]/div[30]/div/div/div[1]/span[1]/a")
        return True
    except:
        return False


if __name__ == '__main__':
    # 初始化一个driver，指定Chrome浏览器
    driver = webdriver.Chrome()
    # 请求豆瓣电影剧情排行榜
    driver.get("https://movie.douban.com/typerank?type_name=%E5%89%A7%E6%83%85&type=11&interval_id=100:90&action= ")
    scroll_to_bottom()
    movieList = driver.find_elements(By.CLASS_NAME, 'movie-name-text')[:30]
    i = 1
    with open("movie_Top30.txt", 'w', encoding="utf-8") as f:
        for movie in movieList:
            f.writelines("NO.{} {}\n".format(i, movie.text))
            i += 1
    driver.quit()