import requests#爬取网页源码
import re#对解析后的文件进行弹幕匹配

url = 'https://api.bilibili.com/x/v1/dm/list.so?oid=1663877514'
headers = {
    'user-agent' : 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36 Edg/128.0.0.0'
}#模拟浏览器发送请求
response = requests.get(url=url, headers=headers)#通过requests模块内get请求方式，对url发送请求
response.encoding = response.apparent_encoding
print(response.text)#获取数据
data_list = re.findall('<d p=".*?">(.*?)</d>',response.text)#解析数据
for index in data_list:
    with open('弹幕.txt',mode='a',encoding='utf-8') as f:#输出为文本
     f.write(index)
     f.write('\n')#换行
     print(index)