为什么我这里就错误了，能帮我看看吗

Question

运输错了，还是少了什么请指导指导我Python 帮我在图片哪里看看

Answer 1

正则有问题，还在采集？参考下面的，题注原来的代码获取json中数据也是有问题的。

import requests
import re
import json

def get_url(url):
    head={
        'user-agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36',
        'referer':'https://www.bilibili.com/video/BV1mX4y1U7K2'
        }
    res=requests.get(url=url,headers=head)
    return res
def get_json_url(url):
    res=get_url(url).text
    title=re.findall('<title data-vue-meta="true">([^<]+)',res)[0].replace('_哔哩哔哩_bilibili','')
    play_info=json.loads(re.findall(r'window.__playinfo__=([\s\S]+?)</script>',res)[0])
    audio=play_info['data']['dash']['audio'][0]['backupUrl'][0]
    video=play_info['data']['dash']['video'][0]['backupUrl'][0]

    return [title,video,audio]

def save(url):
    json_data=get_json_url(url=url)
    title=json_data[0]
    video_content=get_url(url=json_data[1]).content
    audio_content=get_url(url=json_data[2]).content
    with open (f'{title}.mp4','wb')as f:
        f.write(video_content)
    with open (f'{title}.mp3','wb')as f:
        f.write(audio_content)

def start(bv):
    print('开始下载')
    url=f'https://bilibili.com/video/{bv}'
    save(url)
    print('下载完成')
    
#start('BV1hp4y1U7Ao')##这个参数错误
start('BV1mX4y1U7K2')