逐行读取文本信息，下载文件

downfile.cs

    class Program
    {
        static void Main(string[] args)
        {
            string path = AppDomain.CurrentDomain.BaseDirectory + "pic.txt";
            using (StreamReader sr = new StreamReader(path))
            {
                WebClient mywebclient = new WebClient();
                string line;
                while (!string.IsNullOrEmpty(line = sr.ReadLine()))
                {
                    if (string.Equals(line, "null", StringComparison.OrdinalIgnoreCase))
                    {
                        continue;
                    }

                    string newfilename = line.Replace("http://#:81/pic/", "");
                    string filepath = @"D:\Website\#\pic\" + newfilename;
                    try
                    {
                        mywebclient.DownloadFile(line, filepath);
                        //filename = newfilename;
                    }
                    catch (Exception ex)
                    {
                    }
                    Console.WriteLine(line);
                }
            }
            Console.WriteLine(path);
            Console.ReadLine();
        }
    }
}