（niceloo.com）优路教育视频批量下载+解码

（niceloo.com）优路教育视频批量下载+解码.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace VideoConvertTool
{
    class Program
    {
        static void Main(string[] args)
        {
            while(true)
            {
                Stream steam = Console.OpenStandardInput();
                Console.SetIn(new StreamReader(steam, Encoding.Default, false, 500000));

                Console.WriteLine("输入网页部分内容：");
                string input = Console.ReadLine();

                Console.WriteLine("请等待程序运行");

                MatchCollection matchs = Reg_solve(input,
                    "data-vid=\\\"(?<link>.*?)_f(.*?)title=(.*?)>(?<name>.*?)</a>");
                    
                foreach (Match item in matchs)
                {
                    if (item.Success)
                    {
                        Console.WriteLine("正在处理" + item.Groups["link"].Value+","+ item.Groups["name"].Value);
                        string linkCode = item.Groups["link"].Value;
                        string link = "http://hls.videocc.net/" + linkCode.Substring(0, 10) +
                            "/"+ linkCode.Substring(linkCode.Length-1)+ "/" + linkCode + "_1.m3u8";
                        Console.WriteLine("正在获取" + link);

                        string decodeData = HttpGet(link, "");

                        FileStream fs = new FileStream("i.m3u8", FileMode.Create, FileAccess.ReadWrite); //可以指定盘符，也可以指定任意文件名，还可以为word等文件
                        StreamWriter sw = new StreamWriter(fs); // 创建写入流
                        sw.Write(decodeData);
                        sw.Close(); //关闭文件

                        //ffmpeg -protocol_whitelist http,file,crypto,tcp -i i.m3u8 -c copy new.mp4
                        RunCmd("ffmpeg", "-protocol_whitelist http,file,crypto,tcp -i i.m3u8 -c copy " + item.Groups["name"].Value + ".mp4");

                        Console.WriteLine(item.Groups["name"].Value + "解密完成");

                    }
                }
                Console.WriteLine("跑完了，请重开");
                Console.ReadLine();
            }
        }



        /// <summary>
        /// 运行cmd命令
        /// 会显示命令窗口
        /// </summary>
        /// <param name="cmdExe">指定应用程序的完整路径</param>
        /// <param name="cmdStr">执行命令行参数</param>
        static bool RunCmd(string cmdExe, string cmdStr)
        {
            bool result = false;
            try
            {
                using (Process myPro = new Process())
                {
                    //指定启动进程是调用的应用程序和命令行参数
                    ProcessStartInfo psi = new ProcessStartInfo(cmdExe, cmdStr);
                    myPro.StartInfo = psi;
                    myPro.Start();
                    myPro.WaitForExit();
                    result = true;
                }
            }
            catch
            {

            }
            return result;
        }


        /// <summary>  
        /// GET 请求与获取结果  
        /// </summary>  
        public static string HttpGet(string Url, string postDataStr)
        {
            try
            {
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);
                request.Method = "GET";
                request.ContentType = "text/html;charset=UTF-8";
                request.Timeout = 5000;

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream myResponseStream = response.GetResponseStream();
                StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);

                string retString = myStreamReader.ReadToEnd();
                myStreamReader.Close();
                myResponseStream.Close();

                return retString;
            }
            catch { }
            return "";
        }


        public static MatchCollection Reg_solve(string str, string regstr)
        {
            Regex reg = new Regex(regstr, RegexOptions.IgnoreCase);
            return reg.Matches(str);
        }
    }
}

您好，请问这个可以下载至本地观看嘛？

@atomsec 这就是下载+解码视频文件的。不过时间很长了，不知道还管不管用