有许多人需要下载央视网的视频，虽然可以使用PC客户端下载，但是有些视频是搜索不到的。

抓央视网视频又发现是花屏

比如此视频
https://v.cctv.com/2021/04/23/VIDEW356mjL0xYoBmGyZGbVg210423.shtml?spm=C90324.PE6LRxWJhH5P.EWqJpWHV9wOs.12

其实并不是把视频加密了，而是央视网技术人员向前台推送了假的。

我们只需在抓包的时候过滤 vdn 即可找到真实地址

我们获取地址为

https://vdn.apps.cntv.cn/api/getHttpVideoInfo.do?pid=380e7f432c124437a0ae611a7c4c4254&client=flash&im=0&tsp=1621097766&vn=2049&vc=31E29ABCE423398959221DF87BE366E3&uid=1715422E5D8CC605997F02DAD31E9B45&wlan=

打开分析代码

{"ack":"yes","status":"001","tag":"中国航天日，航天人，名场面，火箭","title":"五十年航天人缩影 看中国航天人有多拼","play_channel":"小央视频","produce":"","editer_name":"wangzuoya","produce_id":"jksz","column":"原创高清视频","f_pgmtime":"2021-04-23 18:13:57","cdn_info":{"cdn_vip":"vod.cntv.lxdns.com","cdn_code":"VOD-MP4-CDN-CNC","cdn_name":"3rd网宿"},"video":{"totalLength":"332.00","chapters":[{"duration":"301","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_450_h264_418_aac_32-1.mp4"},{"duration":"31","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_450_h264_418_aac_32-2.mp4"}],"chapters2":[{"duration":"180","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_850_h264_818_aac_32-1.mp4"},{"duration":"152","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_850_h264_818_aac_32-2.mp4"}],"chapters3":[{"duration":"120","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_1200_h264_1072_aac_128-1.mp4"},{"duration":"121","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_1200_h264_1072_aac_128-2.mp4"},{"duration":"90","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_1200_h264_1072_aac_128-3.mp4"}],"chapters4":[{"duration":"120","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_2000_h264_1872_aac_128-1.mp4"},{"duration":"121","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_2000_h264_1872_aac_128-2.mp4"},{"duration":"90","image":"https://p4.img.cctvpic.com/fmspic/2021/04/23/380e7f432c124437a0ae611a7c4c4254-180.jpg","url":"https://vod.cntv.lxdns.com/flash/mp4video63/TMS/2021/04/23/380e7f432c124437a0ae611a7c4c4254_2000_h264_1872_aac_128-3.mp4"}],"validChapterNum":4,"url":""},"hls_cdn_info":{"cdn_vip":"hls.cntv.myhwcdn.cn","cdn_code":"VOD-HLS-CDN-HW","cdn_name":"3rd华为"},"hls_url":"https://hls.cntv.myhwcdn.cn/asp/hls/main/0303000a/3/default/380e7f432c124437a0ae611a7c4c4254/main.m3u8?maxbr=2048","asp_error_code":"0","manifest":{"audio_mp3":"https://hls.cntv.myhwcdn.cn/asp/audio/3/8/0/e/380e7f432c124437a0ae611a7c4c4254/mp3/main.m3u8","hls_audio_url":"https://hls.cntv.myhwcdn.cn/asp/hlsaudio/hls/main/0303000a/3/default/380e7f432c124437a0ae611a7c4c4254/main.m3u8","hls_enc_url":"https://dhls.cntv.kcdnvip.com/asp/enc/hls/main/0303000a/3/default/380e7f432c124437a0ae611a7c4c4254/main.m3u8?maxbr=2048&contentid=18120319242338","hls_h5e_url":"https://dh5.cntv.kcdnvip.com/asp/h5e/hls/main/0303000a/3/default/380e7f432c124437a0ae611a7c4c4254/main.m3u8?maxbr=2048&contentid=15120519184043","hls_enc2_url":"https://dhls.cntv.lxdns.com/asp/enc2/hls/main/0303000a/3/default/380e7f432c124437a0ae611a7c4c4254/main.m3u8?maxbr=2048&contentid=16121029231855"},"client_sid":"JWnsSB76oSEvcMSk1WRxCahCZiJUACzQzdOL825ShPI=","public":"1","is_invalid_copyright":"0","is_protected":"0","is_fn_hot":"true","is_p2p_use":false,"default_stream":"chapters3","lc":{"isp_code":"1","city_code":"BETL","provice_code":"XJ","country_code":"CN","ip":"120.69.179.162"},"is_ipad_support":"true","version":"0.2","embed":"","is_fn_multi_stream":false}

可获得真实地址

"hls_url":"https://hls.cntv.myhwcdn.cn/asp/hls/main/0303000a/3/default/380e7f432c124437a0ae611a7c4c4254/main.m3u8?maxbr=2048"

然后使用m3u8 工具下载即可