腾讯课堂是知名大厂的在线学习平台，其中在线直播课是不少机构引流和交易转化的利器工具，平台需要10个点的服务费用，营业额流水的10%，扣点还是比较高的，不过腾讯系平台可以全推，不担心被封禁！
如果想要在鹅系推广课程，腾讯课堂是必不可少的，比如公众号推广或者广点通，qq，微信朋友圈等推广宣传。
这里本渣渣写了一个工具，可批量下载腾讯课堂后台课程视频资源，包括直播课及录播课课程资源，前提你得是腾讯课堂后台管理员，官方未提供批量下载工具，故有了本篇文章分享！
抓包分析
通过浏览器抓包分析可知：
- 访问方式
不管是视频列表获取，还是视频真实链接获取，其访问方式都是以 get 方式获取即可，这里直接用 requests 来模拟访问即可。
- 访问协议头
模拟访问需要携带协议头，这里的协议头里需要添加常规的几个参数，包括cookies、ua以及referer。
- 视频链接获取
视频链接的获取需要先获取到视频的id编号，然后再通过 get 方式访问获取到视频链接地址。
参考源码
由于是管理平台，几乎没有反爬限制，只需要抓包获取到模拟提交的参数即可，故这里提供本渣渣写的仅供参考和学习！
注意：源码中的参数：cookie、appid、bkn 三个参数需自行填写你自己账号的参数，需自行补齐！
代码语言：javascript复制#腾讯课堂后台获取视频列表链接及下载视频
# -*- coding: UTF-8 -*-
#@author:huguo00289
import requests
import time
import json
import random
import os
import re
from contextlib import closing
import datetime
def get_veideo(page):
headers = {
"cookie": cookie,
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36",
"referer": "https://ke.qq.com/admin/index.html",
}
url = "https://ke.qq.com/cgi-proxy/agency/get_video_list?"
params = {
"aid": 85809,
"count": 10,
"filter": '{"tid_list":[],"type":"VTPlayBack","need_task_info":true}',
"page": page,
"bkn": 1334101334,
"t": 0.5303,
}
response = requests.get(url=url, headers=headers, params=params, timeout=6)
print(response.status_code)
print(response.json())
result = response.json()
with open(f'{page}.json','w',encoding='utf-8') as f:
json.dump(result,f)
print(f">> 保存第{page}页视频列表数据成功！")
write_txt(f">> 保存第{page}页视频列表数据成功！")
vlists=result['result']['vlist']
for vlist in vlists:
print(vlist)
feilo_name=vlist['name']
fid=vlist['id']
pattern = r"[/\:*?"<>|]"
feilo_name = re.sub(pattern, "_", feilo_name) # 替换为下划线
file=f'{feilo_name}-{fid}/'
with open(f'{page}_video.txt', 'a ', encoding='utf-8') as f:
f.write(f'{feilo_name}n{file}n')
os.makedirs(file,exist_ok=True)
print(feilo_name)
sub_videos=vlist['sub_video']
i=vlist['count']
for sub_video in sub_videos:
# print(sub_video)
video_name=sub_video['name']
patt = r"[/\:*?"<>|]"
video_name = re.sub(patt, "_", video_name) # 替换为下划线
video_id=sub_video['vid']
print(i,video_id, video_name)
video_name=f'{i}_{video_name}'
with open(f'{page}_video.txt', 'a ', encoding='utf-8') as f:
f.write(f'{file}-{feilo_name}-{i}-{video_id}-{video_name}n')
try:
veideourl=get_down_veideo(video_id)
time.sleep(2)
down_vei(file, veideourl, video_name)
time.sleep(4)
except Exception as e:
print(f"!! 运行获取下载视频错误：{e}")
write_txt(f"!! 运行获取下载视频错误：{e}")
write_txt(f"&& 保存数据：{i}-{video_id}-{video_name}")
i=i-1
time.sleep(10)
with open(f'{page}_video.txt', 'a ', encoding='utf-8') as f:
f.write("n-n")
#写入文本
def write_txt(content):
# 获取当前日期和时间
now = datetime.datetime.now()
with open('log.txt','a ',encoding='utf-8') as f:
f.write(f'{now}--{content}n')
#下载视频
def down_vei(file,veideourl,name):
ua_list = [
'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 Safari/535.1',
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.103 Safari/537.36Chrome 17.0',
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_0) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11',
'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20100101 Firefox/6.0Firefox 4.0.1',
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:2.0.1) Gecko/20100101 Firefox/4.0.1',
'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50',
'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50',
'Opera/9.80 (Windows NT 6.1; U; en) Presto/2.8.131 Version/11.11',
]
headers = {
"user-agent": random.choice(ua_list),
}
hz=veideourl.split('?')[0]
hz =hz.split('.')[-1]
veideo_name=f'{name}.{hz}'
with closing(requests.get(veideourl, timeout=10, headers=headers, stream=True)) as response:
chunk_size = 1024 # 单次请求最大值
content_size = int(response.headers['content-length']) # 文件总大小
data_count = 0 # 当前已传输的大小
with open(f'{file}{veideo_name}', "wb") as file:
for data in response.iter_content(chunk_size=chunk_size):
file.write(data)
done_block = int((data_count / content_size) * 50) # 已经下载的文件大小
data_count = data_count len(data) # 实时进度条进度
now_jd = (data_count / content_size) * 100 # %% 表示%
print("r %s [%s%s] %d%% " % (
veideo_name "---->", done_block * '█', ' ' * (50 - 1 - done_block), now_jd), end=" ")
write_txt(f">> 下载视频成功：{veideo_name}！")
def get_down_veideo(file_id):
headers={
"cookie": cookie,
"user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Safari/537.36",
"referer":"https://ke.qq.com/admin/index.html",
}
url="https://ke.qq.com/cgi-proxy/txcloud/GetVideoDownUrl?"
params={
"appid": appid,
"file_id": file_id,
"bkn": bkn,
"t": 0.6232,
}
response=requests.get(url=url,headers=headers,params=params,timeout=6)
print(response.status_code)
print(response.json())
result=response.json()
veideourl=result['result']['url']
print(veideourl)
write_txt(f">> 获取视频链接成功：{veideourl}！")
return veideourl
if __name__=="__main__":
page=input(">> 请输入需要获取的视频数据页面：")
print(f"正在获取第{page}页视频列表数据...")
write_txt(f"正在获取第{page}页视频列表数据...")
try:
get_veideo(page)
except Exception as e:
print(f"!! 运行错误：{e}")
write_txt(f"!! 运行错误：{e}")
参考源码示例了简单的运行日志文件log、视频下载进度百分百，仅供参考！
如有需求，可参考自行打包使用，当然写得比较渣，可能需要更多优化，就看你自己了！
经测试上T数据下载，开了四个程序的话，会出现视频下载数据中断的情况，因此需要注意数据的补采集，尤其是你想要获取完整数据的情况下！
渣渣能力有限，暂未写入多线程及开启多线程下载视频，可自行测试！
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