聊天窗口的代码

Question

如何编写全球，就是怎样连接两台电脑的服务器进行聊天？

Answer 1

获取两台电脑的IP 然后设置端口就行了 聊天的话 用Socket实现

Answer 2

服务器端的同步SOCKET代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace _0111109
{
    public partial class Form1 : Form
    {
        private IPAddress myIP = IPAddress.Parse("127.0.0.1");
        private IPEndPoint MyServer;
        private Socket sock;
        private bool check=true;
        private Socket accSock;
        public Form1()
        {
            InitializeComponent();
        }
        private void accp()
        {
            MyServer=new IPEndPoint(myIP,Int32.Parse(textBox2.Text));
            sock=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
            sock.Bind(MyServer);
            sock.Listen(50);
            MessageBox.Show("成功开监听");
        //    textBox3.AppendText("主机"+textBox1.Text+"端口"+textBox2.Text+"开始监听.....\r\n");
            while (check)
            {
            accSock = sock.Accept();
            if (accSock.Connected)   // 
            {
                textBox3.AppendText("与客户建立连接,");
                Thread thread = new Thread(new ThreadStart(round));
                thread.Start();
             
                    byte[] Rec=new byte[64];
                    NetworkStream netStream=new NetworkStream(accSock);
                    netStream.Read(Rec,0,Rec.Length);
                    string RecMessage=
                        System.Text.Encoding.BigEndianUnicode.GetString(Rec);
                    richTextBox1.AppendText(RecMessage+"\r\n");
                }
            }        }
        private void round()
        {
            while (true)
            {
                byte[] Rec = new Byte[64];
                NetworkStream netStream = new NetworkStream(accSock);
                netStream.Read(Rec, 0, Rec.Length);
                String RecMessage =
                    System.Text.Encoding.BigEndianUnicode.GetString(Rec);
                richTextBox1.AppendText(RecMessage + "\r\n");
            }
        }
        private void Form1_Load(object sender, EventArgs e)
        {        }        private void textBox3_TextChanged(object sender, EventArgs e)
        {        }        private void label1_Click(object sender, EventArgs e)
        {        }        private void richTextBox1_TextChanged(object sender, EventArgs e)
        {        }        private void label4_Click(object sender, EventArgs e)
        {        }        private void label5_Click(object sender, EventArgs e)
        {        }        private void button1_Click(object sender, EventArgs e)
        {        }        private void button3_Click(object sender, EventArgs e)
        {
            try
            {sock.Close();
                textBox3.AppendText("主机"+textBox1.Text+"端口"+textBox2.Text+"监听停止!\r\n");
            }
            catch{MessageBox.Show("监听尚未开始，关闭无效!");}        }        private void button1_Click_1(object sender, EventArgs e)
        {
            try
            {
                myIP = IPAddress.Parse(textBox1.Text);
            }
            catch { MessageBox.Show("您输入的IP地址格式下正确,请重新输入!"); }
            try
            {
                Thread thread = new Thread(new ThreadStart(accp));
                thread.Start();
            }
            catch (Exception ee) { textBox3.AppendText(ee.Message); }
        }        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                byte[] sendByte = new byte[64];
                String send = richTextBox2.Text + "\r\n";
                NetworkStream netStream = new NetworkStream(accSock);
                sendByte = System.Text.Encoding.BigEndianUnicode.GetBytes(send.ToCharArray());
                netStream.Write(sendByte, 0, sendByte.Length);
             //   netStream.Flush();
            }
            catch { MessageBox.Show("连接尚未建立！无法发送!!!"); }
        }
    }
}

Answer 3

客户端的代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace _01111092
{
    public partial class Form1 : Form            //  partial
    {
        private IPEndPoint MyServer;
        private Socket connectSock;
        private bool check = true;
        private IPAddress myIP = IPAddress.Parse("127.0.0.1");
        public Form1()
        {
            InitializeComponent();
        }
        private void receive()
        {
            while (true)
            {
                byte[] Rec = new Byte[64];
                NetworkStream netStream = new NetworkStream(connectSock);
                netStream.Read(Rec, 0, Rec.Length);
                String RecMessage =
                System.Text.Encoding.BigEndianUnicode.GetString(Rec);
                richTextBox1.AppendText(RecMessage + "\r\n");
            }
          
        }
        private void Form1_Load(object sender, EventArgs e)
        {        }        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                myIP = IPAddress.Parse(textBox1.Text);
            }
            catch { MessageBox.Show("输入的IP地址格式不正确,请重新输入!"); }
            try
            {
                MyServer=new IPEndPoint(myIP,Int32.Parse(textBox2.Text));
                connectSock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                connectSock.Connect(MyServer);
                textBox3.AppendText("与主机" + textBox1.Text + "端口" + textBox2.Text + "连接成功!\r\n");
                Thread thread=new Thread(new ThreadStart(receive));
                thread.Start();
            }
            catch(Exception ee){MessageBox.Show(ee.Message);}
        }        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                byte[] sendByte = new byte[64];
                String send = richTextBox2.Text + "\r\n";
                NetworkStream netStream = new NetworkStream(connectSock);
                sendByte = System.Text.Encoding.BigEndianUnicode.GetBytes(send.ToCharArray());
                netStream.Write(sendByte, 0, sendByte.Length);
                netStream.Flush();
            }
            catch { MessageBox.Show("连接尚未建立！无法发送!!!"); }
        }        private void button3_Click(object sender, EventArgs e)
        {
            try
            {
               connectSock.Close();
              //  this.Close();
                textBox3.AppendText("与主机" + textBox1.Text + "端口" + textBox2.Text + "断开连接!\r\n");
            }
            catch { MessageBox.Show("连接尚未建立，断开无效"); }
        }
       
        
    }
}