简单几步快速完成爬虫任务

#一、引入selenium
from selenium import webdriver
from time import sleep
#from selenium.webdriver.chrome.options import Options
#import xlrd
import csv
import os
#固定csv保存在桌面
os.chdir(r'C:\Users\Administrator\Desktop')
  
#二、打开网页
# 使用webkit无界面浏览器
# 如果路径为 exe 启动程序的路径，那么该路径需要加一个 r
driver =webdriver.Firefox()
# 获取指定网页的数据  start_urls
driver.get('https://movie.douban.com/top250')
driver.implicitly_wait(20)

#三、翻页、获取内容、写入CSV
#遍历循环20次
for o in range (1,13):
    #遍历循环15次
    sleep(0.5)
    for i in range (1,26):
        #获取标题和时间
        #拼接字符串
        data1 = driver.find_element_by_css_selector('.grid_view > li:nth-child('+str(i)+') > div:nth-child(1) > div:nth-child(2) > div:nth-child(1) > a:nth-child(1) > span:nth-child(1)').text
        data2 = driver.find_element_by_css_selector('.grid_view > li:nth-child('+str(i)+') > div:nth-child(1) > div:nth-child(2) > div:nth-child(2) > p:nth-child(3) > span:nth-child(1)').text
        print(data1, data2)
        #写入csv
        with open('豆瓣.csv', 'a+', newline = '\n')as f:
            w = csv.writer(f)
            w.writerow([data1, data2])        
    sleep(0.5)
    #并进行点击翻页
    driver.find_element_by_css_selector('.next > a:nth-child(2)').click()        
        

driver.quit()