python 爬取马蜂窝景点翻页文字评论的实现

import re
import time
import requests
#评论内容所在的url，？后面是get请求需要的参数内容
comment_url='http://pagelet.mafengwo.cn/poi/pagelet/poiCommentListApi?'

requests_headers={
  'Referer': 'http://www.mafengwo.cn/poi/5426285.html',
  'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36'
}#请求头

for num in range(1,6):
  requests_data={
    'params': '{"poi_id":"5426285","page":"%d","just_comment":1}' % (num)  #经过测试只需要用params参数就能爬取内容
    }
  response =requests.get(url=comment_url,headers=requests_headers,params=requests_data)
  if 200==response.status_code:
    page = response.content.decode('unicode-escape', 'ignore').encode('utf-8', 'ignore').decode('utf-8')#爬取页面并且解码
    page = page.replace('\\/', '/')#将\/转换成/
    #日期列表
    date_pattern = r'<a class="btn-comment _j_comment" title="添加评论">评论</a>.*?\n.*?<span class="time">(.*?)</span>'
    date_list = re.compile(date_pattern).findall(page)
    #星级列表
    star_pattern = r'<span class="s-star s-star(\d)"></span>'
    star_list = re.compile(star_pattern).findall(page)
    #评论列表
    comment_pattern = r'<p class="rev-txt">([\s\S]*?)</p>'
    comment_list = re.compile(comment_pattern).findall(page)
    for num in range(0, len(date_list)):
      #日期
      date = date_list[num]
      #星级评分
      star = star_list[num]
      #评论内容，处理一些标签和符号
      comment = comment_list[num]
      comment = str(comment).replace('&nbsp;', '')
      comment = comment.replace('<br>', '')
      comment = comment.replace('<br />', '')
      print(date+"\t"+star+"\t"+comment)
  else:
    print("爬取失败")