using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.IO;
using System.Threading;

namespace ConsoleApplication9
{
    class Program
    {
        static void Main(string[] args)
        {
            Thread[] ts = new Thread[5];
            for (int i = 0; i < ts.Length; i++)
            {
                ts[i] = new Thread(new ThreadStart(down));
                ts[i].Name = "线程 " + i.ToString();
                ts[i].Start();

            }
        }

        //第一个问题用到的代码
        static int ran = 0;
        static void down()
        {
            using (FileStream fs = new FileStream(Thread.CurrentThread.Name, FileMode.Create))
            {
                string url = "http://im.baidu.com/download/down.php?a=more";
                HttpWebRequest req = WebRequest.Create(url) as HttpWebRequest;
                //req.AddRange(ran, ran + 1024 * 1024 * 10);
                Stream stream = req.GetResponse().GetResponseStream();
                byte[] buffer = new byte[256];
                int i = stream.Read(buffer, 0, 256);
                while (i > 0)
                {
                    i = stream.Read(buffer, 0, 256);
                    Console.WriteLine(Thread.CurrentThread.Name);
                    fs.Write(buffer, 0, i);
                    Thread.Sleep(500);
                }
            }
        }

        
        
        ////第二个问题用到的代码
        //static int ran = 0;
        //static void down()
        //{
        //    string url = "http://im.baidu.com/download/down.php?a=more"";
        //    HttpWebRequest req = WebRequest.Create(url) as HttpWebRequest;
        //    req.AddRange(1, 500000);
        //    Stream stream = req.GetResponse().GetResponseStream();
        //    byte[] buffer = new byte[256];
        //    int i = stream.Read(buffer, 0, 256);
        //    while (i > 0)
        //    {
        //        i = stream.Read(buffer, 0, 256);
        //    }
        //}
    }
}