伺服器端程式碼

using System;
using System.Net;
using System.Net.Sockets;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Threading.Tasks;
using Shell32;
namespace ReadDirectory
{
    class Program
    {
        static void Main(string[] args)
        {
            //string path = @"F:\Sofeware\UE4虛幻遊戲引擎初學者指南視訊教程\UE4 Fundamentals - Module 01";
 

            //DirectoryInfo folder = new DirectoryInfo(path);
            //foreach (FileInfo file in folder.GetFiles("*.class")) {
            //    Console.WriteLine(file.FullName);
            //}
            //Program p = new Program();
            //p.printVideoAddress(p.videoAddress(path));
            int
 
 recv;
            byte[] data = new byte[1024];
            Socket socket = new Socket(AddressFamily.InterNetwork,
                SocketType.Stream, ProtocolType.Tcp);

            IPEndPoint ipEnd = new IPEndPoint(IPAddress.Any, 8888);
            socket.Bind(ipEnd);
            socket.Listen(10);
            Console.WriteLine("wating for a client"
 
);
            Socket client = socket.Accept();
            IPEndPoint ipEndPoint = (IPEndPoint)client.RemoteEndPoint;
            Console.WriteLine("Connect with {0} at port {1}", ipEndPoint.Address, ipEndPoint.Port);
            string welcome = "Welcome to my server";
            data = Encoding.UTF8.GetBytes(welcome);
            client.Send(data, data.Length, SocketFlags.None);
            while (true) {
                data = new byte[1024];
                recv = client.Receive(data);
                if (recv == 0)
                    break;
                Console.WriteLine(Encoding.UTF8.GetString(data, 0, recv));
                //client.Send(data, recv, SocketFlags.None);
            }
            Console.Write("Disconnect form{0}", ipEndPoint.Address);
            client.Close();
            socket.Close();


        }
        // 獲取一個檔案下的每個視訊地址
        /* 
         * DirectoryInfo 位於System.IO
         * @param path : 視訊目錄的地址  
         * example：
         *        string path = @"E:\File";
         * @return List : 儲存視訊地址的容器
        */
        public List<string> videoAddress(string path) {
            List<string> list = new List<string>();
            DirectoryInfo folder = new DirectoryInfo(path);
            foreach (FileInfo file in folder.GetFiles("*.mp4")) {
                list.Add(file.FullName);
            }
            // Console.WriteLine(list.Count());
            return list;
        }
        // 列印檢視 
        public void printVideoAddress(List<string> list) {
            foreach (var file in list) {
                Console.WriteLine(file);
            }
        }
    }
}

客戶端程式碼塊

using System;
using System.Net;
using System.Net.Sockets;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ClientC
{
    class Program
    {
        static void Main(string[] args)
        {
            byte[] data = new byte[1024];
            string input, stringData;
            Console.WriteLine("請輸入伺服器IP地址：");
            string stringIP = Console.ReadLine();
            //IPAddress ip = IPAddress.Parse("127.0.0.1");
            IPAddress ip = IPAddress.Parse(stringIP);
            IPEndPoint ipEnd = new IPEndPoint(ip, 8888);
            Socket socket = new Socket(AddressFamily.InterNetwork,
                SocketType.Stream, ProtocolType.Tcp);
            try
            {
                socket.Connect(ipEnd);
            }
            catch (SocketException e) {
                Console.WriteLine("Fail to connect server");
                Console.WriteLine(e.ToString());
                return;
            }
            int rev = socket.Receive(data);
            //stringData = Encoding.ASCII.GetString(data, 0, rev);
            stringData = Encoding.UTF8.GetString(data, 0, rev);
            Console.WriteLine(stringData);
            input = Console.ReadLine();
            data = Encoding.UTF8.GetBytes(input);
            socket.Send(data, data.Length, SocketFlags.None);
            while (true) {
                if (input == "exit")
                    break;
                data = new byte[1024];
                //rev = socket.Receive(data);
                //stringData = Encoding.ASCII.GetString(data, 0, rev);
                //Console.WriteLine(stringData);
                input = Console.ReadLine();
                data = Encoding.UTF8.GetBytes(input);
                //socket.Send(data, rev, 0);
                socket.Send(data, data.Length, SocketFlags.None);
            }
            Console.WriteLine("Disconnect from server");
            socket.Shutdown(SocketShutdown.Both);
            socket.Close();
        }
    }
}