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   源码介绍

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net.Sockets;
using System.Net;
using System.Threading;

namespace SocketClient
{
   
    public partial class Form1 : Form
    {
        private static byte[] result = new Byte[1024];
        Socket clientSocket;
        Socket serverSocket;
        public Form1()
        {
            InitializeComponent();
           

        }
       
        private void ListenServer()
        {

            while (true)
            {
                try
                {

                    int receiveLen = clientSocket.Receive(result);

                    richTextBox1.AppendText("服务器说："   Encoding.UTF8.GetString(result, 0, receiveLen)   "\r\n");
                    richTextBox1.ScrollToCaret();
                }
                catch
                {
                    richTextBox1.AppendText("服务器退出！\r\n");
                    richTextBox1.ScrollToCaret();
                    break;
                }
                
            }


        }
        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)//向服务器发送信息
        {
            String sendStirng = textBox1.Text;
           
            clientSocket.Send(Encoding.UTF8.GetBytes(clientSocket.LocalEndPoint.ToString() " : " sendStirng));
            richTextBox1.AppendText("我说："   sendStirng "\r\n");
            richTextBox1.ScrollToCaret();
            
        }

      

        

      
        private void ReceiveMessage(Object serverSocket1)
        {

            Socket myServerSocket = (Socket)serverSocket1;
            while (true)
            {
                try
                {
                    int receiveNumber = myServerSocket.Receive(result);
                    richTextBox1.Text  = "服务端发来信息："   Encoding.UTF8.GetString(result, 0, receiveNumber)   "\r\n";
                    richTextBox1.ScrollToCaret();
                }
                catch
                {
                    richTextBox1.AppendText("服务器退出！\r\n");
                    richTextBox1.ScrollToCaret();
                    break;
                }
                
                
            }
        }

        private void button2_Click(object sender, EventArgs e)//连接服务器
        {
            try
            {
                IPAddress ip = IPAddress.Parse("127.0.0.1");
                clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                clientSocket.Connect(new IPEndPoint(ip, 8889));
                //clientSocket.i
                label4.Text = "连接服务器成功。";
                label2.Text = "本客端IP地址和端口号为："   clientSocket.LocalEndPoint.ToString();
                int receiveLen = clientSocket.Receive(result);

                richTextBox1.Text  = "服务器发来信息："   Encoding.UTF8.GetString(result, 0, receiveLen)   "\r\n";
                Thread mythread = new Thread(ListenServer);
                mythread.IsBackground = true;
                mythread.Start();
            }
            catch
            {
                richTextBox1.Text  = "与服务器断开连接!"   "\r\n";
            }
        }

        
    }
}