pyhton爬取愛豆(李易峰)微博評論
阿新 • • 發佈:2021-06-29
今日目標:微博,以李易峰的微博為例:
https://weibo.com/liyifeng2007?is_all=1
然後進入評論頁面,進入XHR查詢真是地址:
https://weibo.com/aj/v6/comment/big?ajwvr=6&id=4353796790279702&from=singleWeiBo
很明顯,是動態的,抓取也是按我以前寫的那些方法來,就不一一說了,他這裡最重要的還是那串數字,所以我們只要在第一個網址哪裡把那串數字找出來就算成功一半了,這次需要用到re正則,嗯,這個我不擅長,不過沒事,應該還是可以搞到的:
target = 'https://weibo.com/liyifeng2007?is_all=1' headers = { 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36', 'cookie': 'SUB=_2AkMowDDgf8NxqwJRmPoSyWnqao53ywzEieKenME7JRMxHRl-yT9kqnEjtRB6A0AeDzsLF_aeZGlWOMf4mEl-MBZZXqc_; SUBP=0033WrSXqPxfM72-Ws9jqgMF55529P9D9WWcpq860VQlJcIRRNP9pzqS; SINAGLOBAL=1033839351635.7524.1604108279474; login_sid_t=c071efc77911ceace152df2be5986e09; cross_origin_proto=SSL; WBStorage=8daec78e6a891122|undefined; _s_tentry=-; Apache=8275565331127.246.1604195643561; ULV=1604195643568:3:1:1:8275565331127.246.1604195643561:1604122447982; wb_view_log=1920*10801; UOR=,,editor.csdn.net' } html = requests.get(target,headers=headers).text for each in re.findall('<a name=(.*?)date=',html): real_id = each.split(" ")[0] filename = each.split("\\")[-2].replace('"',"").replace(":",".") print(real_id,filename)
輸出如下:
第一個就是我們需要的ID,後面則是發微博的時間,我們用它來做儲存評論資料的檔名稱。
然後我們把ID傳入第二個網址:
comment_url = f'https://weibo.com/aj/v6/comment/big?ajwvr=6&id={real_id}&from=singleWeiBo'
當然這個是抓取熱度的,如你要抓取最新回覆的,需要下面這個:
comment_url = f'https://weibo.com/aj/v6/comment/big?ajwvr=6&id={read_id}&page=1'
拿到這個就簡單了,JSON 資料,直接進json網站解析就行,然後找到我們需要的資料,這裡就直接上程式碼了:
comment_url=f'https://weibo.com/aj/v6/comment/big?ajwvr=6&id={real_id}&page=1' res=requests.get(comment_url,headers=headers).json()["data"]["html"] #提取評論人和評論內容 conmment=re.findall('ucardconf="type=1">(.*?)</div>',res) foreachinconmment: #將內容裡的那些表情替換 each=re.sub('<.*?>','',each) print(each)
re 不太會用,大家將就著看,主要是能把資料搞到手,這個最重要,哈哈…
對比一下:
把那些表情給去除了,有些只發表情沒法字的就會只顯示名字,這個是正常的,其餘就是一毛一樣了。
資料拿到了,咱們就儲存到本地吧,全部程式碼:
# -*- coding: utf-8 -*-
"""
Created on 2020-11-18
@author: 李運辰
"""
#https://weibo.com/liyifeng2007?is_all=1
import requests
import re,os
url = 'https://s.weibo.com/?topnav=1&wvr=6'
target = 'https://weibo.com/liyifeng2007?is_all=1'
headers = {
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36',
'cookie': 'SUB=_2AkMowDDgf8NxqwJRmPoSyWnqao53ywzEieKenME7JRMxHRl-yT9kqnEjtRB6A0AeDzsLF_aeZGlWOMf4mEl-MBZZXqc_; SUBP=0033WrSXqPxfM72-Ws9jqgMF55529P9D9WWcpq860VQlJcIRRNP9pzqS; SINAGLOBAL=1033839351635.7524.1604108279474; login_sid_t=c071efc77911ceace152df2be5986e09; cross_origin_proto=SSL; WBStorage=8daec78e6a891122|undefined; _s_tentry=-; Apache=8275565331127.246.1604195643561; ULV=1604195643568:3:1:1:8275565331127.246.1604195643561:1604122447982; wb_view_log=1920*10801; UOR=,,editor.csdn.net'
}
html = requests.get(target,headers=headers).text
for each in re.findall('<a name=(.*?)date=',html):
real_id = each.split(" ")[0]
filename = each.split("\\")[-2].replace('"',"").replace(":",".")
# print(real_id,filename)
# print(filename)
for page in range(1,11):
comment_url = f'https://weibo.com/aj/v6/comment/big?ajwvr=6&id={real_id}&page={page}'
res = requests.get(comment_url,headers=headers).json()["data"]["html"]
# 提取評論人和評論內容
conmment = re.findall('ucardconf="type=1">(.*?)</div>', res)
# conmment = re.findall('</i></a>(.*?) </div>', res)
for each in conmment:
# 將 內容裡的那些表情替換
each = re.sub('<.*?>','',each)
print(each)
f_name = "./images/"+filename
with open(f_name+"_李運辰.txt","a",encoding="utf-8") as f:
f.write(each)
f.write("\n")
只是測試,所以就只爬了十幾頁:
爬下來後可以自己對比一下:
搞定!!!!