python爬取b站评论_学习笔记(1):写了个python爬取B站视频评论的程序

学习笔记(1):写了个python爬取B站视频评论的程序

import requests

import json

import os

table='fZodR9XQDSUm21yCkr6zBqiveYah8bt4xsWpHnJE7jL5VG3guMTKNPAwcF'

tr={}

for i in range(58):

tr[table[i]]=i

s=[11,10,3,8,4,6]

xor=177451812

add=8728348608

def dec(x):

r=0

for i in range(6):

r+=tr[x[s[i]]]*58**i

return (r-add)^xor

def enc(x):

x=(x^xor)+add

r=list('BV1  4 1 7  ')

for i in range(6):

r[s[i]]=table[x//58**i%58]

return ''.join(r)def getComment(Bvid , page):

Avid = dec(Bvid)

url = "https://api.bilibili.com/x/v2/reply?pn=" + str(page) + "&type=1&oid=" + str(Avid) + "&sort=2"

data = requests.get(url)

content = json.loads(data.text)

return content['data']['replies']

def getHotComment(Bvid , page ='1'):

Avid = dec(Bvid)

url = "https://api.bilibili.com/x/v2/reply?pn=" + str(page) + "&type=1&oid=" + str(Avid) + "&sort=2"

data = requests.get(url)

content = json.loads(data.text)

return content['data']['hots']

if __name__=='__main__':

print('请输入视频的BV号')

BVID = input()

os.system("cls")

print('请输入想获取的评论的页数')

page = input()

with open('comments.txt','w',encoding='utf-8') as f:

for pg in range(1,int(page)+1):

for index in range(19):

commonComment = getComment(BVID,page)

f.write(commonComment[index]['member']['uname']+':\n')

f.write(commonComment[index]['content']['message']+'\n')

其中BV转AV的程序源自：

作者：mcfx

链接：https://www.zhihu.com/question/381784377/answer/1099438784

来源：知乎

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