cntv网站视频下载，不支持rtmp。

找了好多工具无法下载我想要的视频，就自己写了这么个工具。

代码涉及到json串的使用，作为学习很不错。

现在开源，对大家公开。



开发语言C#-cntv video download site, does not support rtmp. Can not find a lot of tools to download video I want to write a such a tool. Json string of code related to the use, as learning is very good. Now open source, open to everyone. C# development language