C#网络编程实例

客户端代码

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace SocketClient
{
    class Program
    {
        static void Main(string[] args)
        {
            //保存输入要发送的字符串
            string input;
            //要连接的远程IP
            IPAddress remoteHost = IPAddress.Parse("172.16.86.90");
            //IP地址跟端口的组合
            IPEndPoint iep = new IPEndPoint(remoteHost, 8080);
            //把地址绑定到Socket
            Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            //连接远程服务器
            try
            {
                clientSocket.Connect(iep);
                Console.WriteLine("请输入您要发送的字符串");
                //保存输入的字符串
                input = Console.ReadLine();
                //用字节数组保存要发送的字符串
                byte[] message = System.Text.Encoding.Unicode.GetBytes(input);
                //新建一个NetworkStream对象发送数据
                NetworkStream netstream = new NetworkStream(clientSocket);
                //向服务器端发送message内容
                netstream.Write(message, 0, message.Length);
                clientSocket.Shutdown(SocketShutdown.Both);
                clientSocket.Close();
            }
            catch (System.Exception ex)
            {
                Console.WriteLine("服务器端连接失败");
            }
            

           
            
        }
    }
}

 

 

服务器端代码

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace SocketServer
{
    class Program
    {
        static void Main(string[] args)
        {
            //本机IP
            IPAddress ip = IPAddress.Parse("172.16.86.90");
            //IP地址跟端口的组合
            IPEndPoint iep = new IPEndPoint(ip, 8080);
            //创建Socket
            Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            //绑定Socket
            socket.Bind(iep);
            //服务器已经做好接收任何连接的准备
            socket.Listen(10);
            while (true)
            {
                //执行accept方法
                Socket Client = socket.Accept();
                byte[] message = new byte[1024];
                NetworkStream networkStream = new NetworkStream(Client);
                int len = networkStream.Read(message, 0, message.Length);
                //byte数组转换成string
                string output = System.Text.Encoding.Unicode.GetString(message);
                Console.WriteLine("一共从客户端接收了" + len.ToString() + "字节。接收字符串为："+output);     
            }
            

            


        }
    }
}