【Python爬蟲實例學習篇】——四、超詳細爬取bilibili視頻

時間  2020-01-25
標籤 Python爬蟲實例學習篇 詳細 bilibili 視頻 欄目 Python 简体版
原文   原文鏈接

【Python爬蟲實例學習篇】——四、超詳細爬取bilibili視頻

因爲常常在B站上學習，但無奈於家裏網絡太差，在線觀看卡頓嚴重，因而萌生了下載視頻的想法（若是隻是單純想下載視頻，請用you-get庫）。廢話很少說直接開幹。
（我發現好像不少人在爬bilibili視頻的時候都有用到某個API而後還須要一個cid參數，這些在本文中沒有用到。。。。）（另外再說明一下，第3篇文章沒有經過審覈，要看的話去公衆號哈哈）
使用工具html

  1. python3.6
  2. requests庫
  3. lxml庫（xpath解析）
  4. json庫（解析json數據獲取下載連接）
  5. ffmpeg（合併視頻和音頻）

目錄python

  1. 肯定視頻資源地址
  2. 下載測試
  3. 下載視頻和音頻（兩種方法）
  4. 合併視頻和音頻
  5. BiliBiliVideo.py
  6. 運行結果

<span id="jump1"> 一、肯定視頻資源地址 </span>

(1) 用Chrome隨便打開一個視頻，==Ctrl+Shift+C==選擇視頻框嘗試獲取視頻的連接。結果發現獲取的連接地址爲：blob:https://www.bilibili.com/1987... ，這是一個blob加密的連接，不能直接訪問。shell

獲取視頻blob連接

(2) 網上查找資料後，這篇文章給了我靈感，思路：對網頁抓包，抓取到視頻分片的連接，再利用所抓到的連接信息進行定位。json

Fiddler抓包獲取視頻分片連接

(3) 能夠定位到全部視頻分片的信息所有來源於 https://www.bilibili.com/vide... segmentfault

定位到地址

(4) 對這部分json代碼進行解析（完整json數據太大，請自行去 B站 找到對應位置觀看），能夠發現：
        ==quality==參數是指視頻清晰度，112爲高清1080p+、80爲高清1080p、64爲高清、32爲清晰、16爲流暢。
        ==duration==參數是指視頻長度，單位爲秒。
        ==frameRate==參數爲幀率。
        ==SegmentBase==參數應該是視頻片初始片大小和片基址範圍，單位爲字節。
        ==deadline==參數是在url裏的參數，指示了連接失效的時間戳。xcode

{
    "code": 0, 
    "message": "0", 
    "ttl": 1, 
    "data": {
        "from": "local", 
        "result": "suee", 
        "message": "", 
        "quality": 64, 
        "format": "flv720", 
        "timelength": 1504366, 
        "accept_format": "flv720,flv480,flv360", 
        "accept_description": [
            "高清 720P", 
            "清晰 480P", 
            "流暢 360P"
        ], 
        "accept_quality": [
            64, 
            32, 
            16
        ], 
        "video_codecid": 7, 
        "seek_param": "start", 
        "seek_type": "offset", 
        "dash": {
            "duration": 1505, 
            "minBufferTime": 1.5, 
            "min_buffer_time": 1.5, 
            "video": [
                {
                    "id": 64, 
                    "baseUrl": "http://upos-sz-mirrorkodo.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30064.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=kodobv&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=4b952dd652c9922b546b99e44756fe0a&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151", 
                    "base_url": "http://upos-sz-mirrorkodo.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30064.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=kodobv&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=4b952dd652c9922b546b99e44756fe0a&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151", 
                    "backupUrl": [
                        "http://upos-sz-mirrorks3.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30064.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=ks3bv&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=62448ee8270504e8e729d25fc402dc7f&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151"
                    ], 
                    "backup_url": [
                        "http://upos-sz-mirrorks3.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30064.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=ks3bv&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=62448ee8270504e8e729d25fc402dc7f&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151"
                    ], 
                    "bandwidth": 359889, 
                    "mimeType": "video/mp4", 
                    "mime_type": "video/mp4", 
                    "codecs": "avc1.64001F", 
                    "width": 960, 
                    "height": 534, 
                    "frameRate": "25", 
                    "frame_rate": "25", 
                    "sar": "801:800", 
                    "startWithSap": 1, 
                    "start_with_sap": 1, 
                    "SegmentBase": {
                        "Initialization": "0-995", 
                        "indexRange": "996-4639"
                    }, 
                    "segment_base": {
                        "initialization": "0-995", 
                        "index_range": "996-4639"
                    }, 
                    "codecid": 7
                }, 
                  // 此處省略部分數據
                {
                    "id": 30216, 
                    "baseUrl": "http://upos-hz-mirrorks3u.acgvideo.com/upgcxcode/03/88/98958803/98958803-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=ks3u&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=669eccff96c56f5586d174870a496b12&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151", 
                    "base_url": "http://upos-hz-mirrorks3u.acgvideo.com/upgcxcode/03/88/98958803/98958803-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=ks3u&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=669eccff96c56f5586d174870a496b12&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151", 
                    "backupUrl": [
                        "http://upos-sz-mirrorks3.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=ks3bv&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=b6d7b3957f5dbcbf686f267851ec42dd&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151"
                    ], 
                    "backup_url": [
                        "http://upos-sz-mirrorks3.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579449043&gen=playurl&os=ks3bv&oi=1971869914&trid=9412dee30c4640c6907ef910ea2cb04cu&platform=pc&upsig=b6d7b3957f5dbcbf686f267851ec42dd&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151"
                    ], 
                    "bandwidth": 67100, 
                    "mimeType": "audio/mp4", 
                    "mime_type": "audio/mp4", 
                    "codecs": "mp4a.40.2", 
                    "width": 0, 
                    "height": 0, 
                    "frameRate": "", 
                    "frame_rate": "", 
                    "sar": "", 
                    "startWithSap": 0, 
                    "start_with_sap": 0, 
                    "SegmentBase": {
                        "Initialization": "0-907", 
                        "indexRange": "908-4551"
                    }, 
                    "segment_base": {
                        "initialization": "0-907", 
                        "index_range": "908-4551"
                    }, 
                    "codecid": 0
                }
            ]
        }
    }, 
    "session": "da9c24388db43b3dfe81ebd676d5e41b", 
    "videoFrame": { }
}
}

<span id="jump2"> 二、下載測試</span>

(1) 既然肯定了上述連接就是咱們要請求的視頻連接，那麼嘗試直接發送獲取請求看看。
      結果。。。。403錯誤，服務器拒絕訪問。服務器

403錯誤

(2) 繼續回到Fiddler檢查抓包數據發現，同一連接反覆出現。仔細觀察返回碼發現：返回碼爲200時無數據、請求方式爲OPTIONS，返回碼爲206時有數據、請求方式爲GET。查閱[資料]
(https://www.cnblogs.com/heior...，在獲取b站視頻以前須要用OPTION方式向請求服務器分配資源，而後再用GET方式獲取視頻分片。微信

返回碼不一樣

(3) 下面進行獲取一個視頻分片的測試，考慮到不論是這個OPTIONS請求仍是GET請求，其connect屬性皆是kepp-alive，考慮使用requests.session()來保持會話。網絡

import requests

# url1 爲視頻連接、url2爲音頻連接
url='https://cn-hbwh2-cmcc-bcache-07.bilivideo.com/upgcxcode/03/88/98958803/98958803-1-30064.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579518843&gen=playurl&os=bcache&oi=1971869869&trid=0cfd59d728114a54bd4747a01f87c9bbu&platform=pc&upsig=2a9e83f3258a7e2694bc83a5fbab8664&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151&origin_cdn=ks3'
url2='http://upos-hz-mirrorks3u.acgvideo.com/upgcxcode/03/88/98958803/98958803-1-30216.m4s?e=ig8euxZM2rNcNbdlhoNvNC8BqJIzNbfqXBvEqxTEto8BTrNvN0GvT90W5JZMkX_YN0MvXg8gNEV4NC8xNEV4N03eN0B5tZlqNxTEto8BTrNvNeZVuJ10Kj_g2UB02J0mN0B5tZlqNCNEto8BTrNvNC7MTX502C8f2jmMQJ6mqF2fka1mqx6gqj0eN0B599M=&uipk=5&nbs=1&deadline=1579519469&gen=playurl&os=ks3u&oi=1971869869&trid=99ee525d6c7f4bc8a414a537797e31f3u&platform=pc&upsig=ce817a7120709c60ac43cf095de05c8d&uparams=e,uipk,nbs,deadline,gen,os,oi,trid,platform&mid=352741151'
headers1={
    'Host': 'cn-hbwh2-cmcc-bcache-04.bilivideo.com',
    'Connection': 'keep-alive',
    'Access-Control-Request-Method': 'GET',
    'Origin': 'https://www.bilibili.com',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3970.5 Safari/537.36',
    'Access-Control-Request-Headers': 'range',
    'Accept': '*/*',
    'Sec-Fetch-Site': 'cross-site',
    'Sec-Fetch-Mode': 'cors',
    'Referer': 'https://www.bilibili.com/video/av56643958?t=262',
    'Accept-Encoding': 'gzip, deflate, br',
    'Accept-Language': 'zh-CN,zh;q=0.9'
}
headers2={
    'Host': 'cn-hbwh2-cmcc-bcache-04.bilivideo.com',
    'Connection': 'keep-alive',
    'Origin': 'https://www.bilibili.com',
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3970.5     Safari/537.36',
    'Accept': '*/*',
    'Sec-Fetch-Site': 'cross-site',
    'Sec-Fetch-Mode': 'cors',
    'Referer': 'https://www.bilibili.com/video/av56643958?t=262',
    'Accept-Encoding': 'identity',
    'Accept-Language': 'zh-CN,zh;q=0.9',
    'Range': 'bytes=0-907'
}

session=requests.session()
session.options(url=url1,headers=headers1)
res=session.get(url=url1,headers=headers2)
print(res)
with open('test1.mp4','wb') as fp:
    fp.write(res.content)
    fp.flush()
    fp.close()

發現是可以成功下載視頻的，可是該視頻不能打開。session

下載成功

(4) 從新設置Range的範圍爲'Range': 'bytes=0-4639000' 後，視頻大小爲4.42MB，可以正常觀看時長爲59秒（視頻無聲音）。猜想：以前下載的908字節不足以構成一個（該視頻分辨率爲960*534，故猜想應該是62.57kb構成一個畫面），另外視頻無聲音，查找資料後得知，B站的視頻和音頻是分離的（此時聯想到json解析最後一組數據沒有分辨率，猜想多是音頻的連接）。

正常觀看

驗證成功，最後一個連接爲音頻的連接

音頻文件

<span id="jump3"> 三、下載視頻和音頻（兩種方法）</span>

方法1：取消range參數直接一次下載整個視頻或音頻

整段下載

方法2：利用416報錯碼進行分片下載，每次下載1MB的資源，最後一次將range設置爲，'Range': 'bytes=上一次末尾-'。從而實現分片下載。

416報錯

代碼以下：

import requests
import json
from lxml import etree

# 防止因https證書問題報錯
requests.packages.urllib3.disable_warnings()

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3970.5 Safari/537.36',
    'Referer': 'https://www.bilibili.com/'
}


def GetBiliVideo(homeurl,session=requests.session()):
    res = session.get(url=homeurl, headers=headers, verify=False)
    html = etree.HTML(res.content)
    videoinforms = str(html.xpath('//head/script[3]/text()')[0])[20:]
    videojson = json.loads(videoinforms)
    # 獲取視頻連接和音頻連接
    VideoURL = videojson['data']['dash']['video'][0]['baseUrl']
    AudioURl = videojson['data']['dash']['audio'][0]['baseUrl']
    print(videojson)
    #獲取視頻資源的名稱
    name = str(html.xpath("//h1/@title")[0].encode('ISO-8859-1').decode('utf-8'))
    # 下載視頻和音頻
    BiliBiliDownload(url=VideoURL, name=name + '_Video', session=session)
    BiliBiliDownload(homeurl,url=AudioURl, name=name + '_Audio', session=session)


def BiliBiliDownload(homeurl,url, name, session=requests.session()):
    headers.update({'Referer': homeurl})
    session.options(url=url, headers=headers,verify=False)
    # 每次下載1M的數據
    begin = 0
    end = 1024*512-1
    flag=0
    while True:
        headers.update({'Range': 'bytes='+str(begin) + '-' + str(end)})
        res = session.get(url=url, headers=headers,verify=False)
        if res.status_code != 416:
            begin = end + 1
            end = end + 1024*512
        else:
            headers.update({'Range': str(end + 1) + '-'})
            res = session.get(url=url, headers=headers,verify=False)
            flag=1
        with open(name + '.mp4', 'ab') as fp:
            fp.write(res.content)
            fp.flush()

        # data=data+res.content
        if flag==1:
            fp.close()
            break

<span id="jump4"> 四、合併視頻和音頻</span>

合併視頻和音頻我查閱了不少資料，最終決定使用ffmpeg來完成這一操做。z在用合併以前，須要先去安裝ffmpeg，詳情請參考這篇文章 ffmpeg安裝。如果運行過程當中出現ffmpeg+一堆亂碼,能夠參考這篇文章。
下面是合併音頻代碼：

  1. 須要先在ffmpeg庫的video方法中添加以下代碼：
# 組合音頻和視頻 （本身加的）
def combine_audio(video_file, audiio_file, out_file):
    try:
        cmd ='D:/python/ffmpeg-20200115-0dc0837-win64-static/bin/ffmpeg -i '+video_file+' -i '+audiio_file+' -acodec copy '+out_file
        print(cmd)
        subprocess.call(cmd, shell=True)  # "Muxing Done
        print('Muxing Done')
        if res != 0:
            return False
        return True
    except Exception:
        return False
  1. 隨後在本身的BiliBiliVideo.py中調用以下代碼便可
# 一下path都須要使用全路徑
def CombineVideoAudio(videopath,audiopath,outpath):
    ffmpeg.video.combine_audio(videopath,audiopath,outpath)

<span id="jump5"> 五、BiliBiliVideo.py</span>

如下是完整代碼：

import requests
import json
from lxml import etree
import ffmpeg.video
import os

requests.packages.urllib3.disable_warnings()

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3970.5 Safari/537.36',
    'Referer': 'https://www.bilibili.com/'
}


def GetBiliVideo(homeurl,num,session=requests.session()):
    res = session.get(url=homeurl, headers=headers, verify=False)
    html = etree.HTML(res.content)
    videoinforms = str(html.xpath('//head/script[3]/text()')[0])[20:]
    videojson = json.loads(videoinforms)
    # 獲取詳情信息列表
    #listinform = str(html.xpath('//head/script[4]/text()')[0])
    listinform = str(html.xpath('//head/script[4]/text()')[0].encode('ISO-8859-1').decode('utf-8'))[25:-122]
    listjson=json.loads(listinform)
    # 獲取視頻連接和音頻連接
    try:
        # 2018年之後的b站視頻，音頻和視頻分離
        VideoURL = videojson['data']['dash']['video'][0]['baseUrl']
        AudioURl = videojson['data']['dash']['audio'][0]['baseUrl']
        flag=0
    except Exception:
        # 2018年之前的b站視頻，格式爲flv
        VideoURL = videojson['data']['durl'][0]['url']
        flag=1
    # 獲取文件夾的名稱
    dirname = str(html.xpath("//h1/@title")[0].encode('ISO-8859-1').decode('utf-8'))
    if not os.path.exists(dirname):
        # 若是不存在則建立目錄
        # 建立目錄操做函數
        os.makedirs(dirname)
        print('目錄文件建立成功!')
    # 獲取每一集的名稱
    name=listjson['videoData']['pages'][num]['part']
    print(name)
    # 下載視頻和音頻
    print('正在下載 "'+name+'" 的視頻····')
    BiliBiliDownload(homeurl=homeurl,url=VideoURL, name=os.getcwd()+'/'+dirname+'/'+name + '_Video.mp4', session=session)
    if flag==0:
        print('正在下載 "'+name+'" 的音頻····')
        BiliBiliDownload(homeurl=homeurl,url=AudioURl, name=os.getcwd()+'/'+dirname+'/'+name+ '_Audio.mp3', session=session)
        print('正在組合 "'+name+'" 的視頻和音頻····')
    # CombineVideoAudio(name + '_Video.mp4',name + '_Audio.mp3',name + '_output.mp4')
    print(' "'+name+'" 下載完成！')

def BiliBiliDownload(homeurl,url, name, session=requests.session()):
    headers.update({'Referer': homeurl})
    session.options(url=url, headers=headers,verify=False)
    # 每次下載1M的數據
    begin = 0
    end = 1024*512-1
    flag=0
    while True:
        headers.update({'Range': 'bytes='+str(begin) + '-' + str(end)})
        res = session.get(url=url, headers=headers,verify=False)
        if res.status_code != 416:
            begin = end + 1
            end = end + 1024*512
        else:
            headers.update({'Range': str(end + 1) + '-'})
            res = session.get(url=url, headers=headers,verify=False)
            flag=1
        with open(name, 'ab') as fp:
            fp.write(res.content)
            fp.flush()

        # data=data+res.content
        if flag==1:
            fp.close()
            break

def CombineVideoAudio(videopath,audiopath,outpath):
    ffmpeg.video.combine_audio(videopath,audiopath,outpath)
    os.remove(videopath)
    os.remove(audiopath)



if __name__ == '__main__':

    # av44518113
    av = input('請輸入視頻號：')
    url='https://www.bilibili.com/video/'+av
    # 視頻選集
    range_start=input('從第幾集開始？')
    range_end = input('到第幾集結束？')
    if int(range_start)<=int(range_end):
        for i in range(int(range_start),int(range_end)+1):
            GetBiliVideo(url+'?p='+str(i),i-1)

    else:
        print('選集不合法！')

<span id="jump6"> 六、運行結果截圖：</span>

運行結果

==微信公衆號：==

小術快跑

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