上一篇对b站的视频评论爬取进行了探讨，这一篇是弹幕。直接上代码：

python">import csv
import json
import re
import chardet
import requests

headers = {
    'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36 SLBrowser/8.0.1.3162 SLBChan/105'}


# 对爬取的页面内容进行json格式处理
def get_text(url):
    res = requests.get(url=url, headers=headers)
    res.encoding = chardet.detect(res.content)['encoding']  # 统一字符编码
    res = res.text
    data = json.loads(res)  # json格式化
    return data


def get_cid(bv):
    url_1 = 'https://api.bilibili.com/x/player/pagelist?bvid={}'.format(bv)
    response = get_text(url_1)
    cid = response['data'][0]['cid']  # 获取cid
    return cid


def get_content_list(cid):
    content_list = []
    url = f'https://comment.bilibili.com/{cid}.xml'
    r2 = requests.ge