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"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>.*"time">(.*"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]*"\t"+star+"\t"+comment)
  else:
    print("爬取失败")