C# socket实现简单的聊天功能

C# socket实现简单的聊天功能 C# socket实现简单的聊天功能 C# socket实现简单的聊天功能

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;

namespace TalkingClient
{
    public partial class Login : Form
    {
        /// 

        /// ip地址
        /// 

        private IPAddress ipAddr;
        /// 

        /// 端口
        /// 

        private int port;
        public Login（）
        {
            InitializeComponent（）;
        }

        private void btnClose_Click（object sender EventArgs e）
        {
            this.Close（）;
        }
        private void Login_Load（object sender EventArgs e）
        {
            txtIP.Text = “192.168.10.45“;
            txtPort.Text = “8888“;
        }
        private void btnLogin_Click（object sender EventArgs e）
        {
            if （!ValidateInfo（））
            {
                return;
            }
            //向服务器发出连接请求
            TCPConnection conn = new TCPConnection（ipAddr port）;
            TcpClient tcpc= conn.Connect（）;
            if （tcpc == null）
            {
                MessageBox.Show（“无法连接服务器!“ 
                                          “错误“
                                          MessageBoxButtons.OK
                                          MessageBoxIcon.Exclamation）;
            }
            else
            {
                NetworkStream netStream = tcpc.GetStream（）;//提供用于访问网络的基本数据线
                string userName=txtUserName.Text.Trim（）;
                //向服务器发送用户名以及确认身份
                netStream.Write（Encoding.Unicode.GetBytes（userName）0Encoding.Unicode.GetBytes（userName）.Length）;
                //获取登入结果并写入buffer
                byte[] buffer = new byte[50];
                netStream.Read（buffer 0 buffer.Length）;
                string connResult = Encoding.Unicode.GetString（buffer）.TrimEnd（‘\0‘）;
                if （connResult.Equals（“cmd::Failure“））
                {
                    MessageBox.Show（“您的用户名已经被使用，请尝试其他用户名!“
                                    “温馨提示“
                                    MessageBoxButtons.OK
                                    MessageBoxIcon.Information）;
                }
                else
                {
                    string serverName=ipAddr+“:“+port;
                    Talking talking = new Talking（userName serverName netStream）;
                    talking.Owner = this;
                    this.Hide（）;
                    talking.Show（）;
                }
            }
        }
        /// 

        /// 验证登入信息
        /// 

        /// 
        private bool ValidateInfo（）
        {
            if （!IPAddress.TryParse（txtIP.Text.Trim（） out ipAddr））
            {
                MessageBox.Show（“IP地址不合法!“ 
                                           “温馨提示“
                 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      10134  2011-08-05 14:50  TalkingSolution\TalkingClient\AquaOS.ico

     文件     169472  2011-08-05 16:27  TalkingSolution\TalkingClient\bin\Debug\TalkingClient.exe

     文件      50688  2011-08-05 16:27  TalkingSolution\TalkingClient\bin\Debug\TalkingClient.pdb

     文件      14328  2011-08-05 16:27  TalkingSolution\TalkingClient\bin\Debug\TalkingClient.vshost.exe

     文件        490  2007-07-21 01:33  TalkingSolution\TalkingClient\bin\Debug\TalkingClient.vshost.exe.manifest

     文件       4208  2011-08-05 15:47  TalkingSolution\TalkingClient\Login.cs

     文件       6630  2011-08-05 15:47  TalkingSolution\TalkingClient\Login.Designer.cs

     文件      21312  2011-08-05 15:47  TalkingSolution\TalkingClient\Login.resx

     文件       1696  2011-08-05 16:27  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.csproj.FileListAbsolute.txt

     文件        983  2011-08-05 16:23  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.csproj.GenerateResource.Cache

     文件     169472  2011-08-05 16:27  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.exe

     文件      10700  2011-08-05 15:47  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.Login.resources

     文件      50688  2011-08-05 16:27  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.pdb

     文件     101742  2011-08-05 14:50  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.Properties.Resources.resources

     文件      23792  2011-08-05 16:23  TalkingSolution\TalkingClient\obj\Debug\TalkingClient.Talking.resources

     文件       4608  2011-08-04 20:57  TalkingSolution\TalkingClient\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

     文件        474  2011-08-04 10:31  TalkingSolution\TalkingClient\Program.cs

     文件       1372  2011-08-04 09:12  TalkingSolution\TalkingClient\Properties\AssemblyInfo.cs

     文件       3240  2011-08-04 20:57  TalkingSolution\TalkingClient\Properties\Resources.Designer.cs

     文件       6423  2011-08-04 20:57  TalkingSolution\TalkingClient\Properties\Resources.resx

     文件       1098  2011-08-04 09:12  TalkingSolution\TalkingClient\Properties\Settings.Designer.cs

     文件        249  2011-08-04 09:12  TalkingSolution\TalkingClient\Properties\Settings.settings

     文件      10134  2011-08-05 11:43  TalkingSolution\TalkingClient\Resources\AquaOS.ico

     文件       7258  2011-08-04 20:56  TalkingSolution\TalkingClient\Resources\msg.wav

     文件      94252  2011-08-04 20:56  TalkingSolution\TalkingClient\Resources\nudge.wav

     文件      17164  2011-08-05 16:27  TalkingSolution\TalkingClient\Talking.cs

     文件      14931  2011-08-05 16:23  TalkingSolution\TalkingClient\Talking.Designer.cs

     文件      40987  2011-08-05 16:23  TalkingSolution\TalkingClient\Talking.resx

     文件       4013  2011-08-05 14:50  TalkingSolution\TalkingClient\TalkingClient.csproj

     文件        912  2011-08-04 11:06  TalkingSolution\TalkingClient\TCPConnection.cs

............此处省略33个文件信息