/*C#?winform實現一個服務端和多個客戶端進行通信
?*?作者：IT格子
?*?微博：IT格子
?*?QQ：320587491
?*?如有疑問可聯系我
?*/

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.Threading;
using?System.Net.Sockets;
using?System.Net;

namespace?chat2
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????????StartPosition?=?FormStartPosition.CenterScreen;
????????????//關閉對文本框的非法線程操作檢查
????????????TextBox.CheckForIllegalCrossThreadCalls?=?false;
????????}
????????Thread?threadclient?=?null;
????????Socket?socketclient?=?null;
????????List?mlist?=?new?List（）;
????????private?void?textBox1_TextChanged（object?sender?EventArgs?e）
????????{

????????}

????????private?void?textBox2_TextChanged（object?sender?EventArgs?e）
????????{

????????}

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????this.button1.Enabled?=?false;
????????????//定義一個套接字監聽
????????????socketclient?=?new?Socket（AddressFamily.InterNetwork?SocketType.Stream?ProtocolType.Tcp）;

????????????//獲取文本框中的IP地址
????????????IPAddress?address?=?IPAddress.Parse（textBox1.Text.Trim（））;

????????????//將獲取的IP地址和端口號綁定在網絡節點上
????????????IPEndPoint?point?=?new?IPEndPoint（address?int.Parse（textBox2.Text.Trim（）））;

????????????try
????????????{
????????????????//客戶端套接字連接到網絡節點上，用的是Connect
????????????????socketclient.Connect（point）;
????????????}
????????????catch?（Exception）
????????????{
????????????????//MessageBox.
????????????????MessageBox.Show（“連接失敗\r\n“）;
????????????????this.button1.Enabled?=?true;
????????????????return;
????????????}

????????????threadclient?=?new?Thread（recv）;

????????????threadclient.IsBackground?=?true;

????????????threadclient.Start（）;
????????}

????????private?void?recv（）//
????????{
????????????int?x?=?0;
????????????while?（true）//持續監聽服務端發來的消息
????????????{
????????????????try
????????????????{
????????????????????//定義一個1M的內存緩沖區，用于臨時性存儲接收到的消息
????????????????????byte[]?arrRecvmsg?=?new?byte[1024?*?1024];

????????????????????//將客戶端套接字接收到的數據存入內存緩沖區，并獲取長度
????????????????????int?length?=?socketclient.Receive（arrRecvmsg）;

????????????????????//將套接字獲取到的字符數組轉換為人可以看懂的字符串
????????????????????string?strRevMsg?=?Encoding.UTF8.GetString（arrRecvmsg?0?length）;
????????????????????if?（x?==?1）
????????????????????{
????????????????????????textBox3.AppendText（“服務器:“?+?GetCurrentTime（）?+?“\r\n“?+?strRevMsg?+?“\r\n\n“）;

????????????????????}
????????????????????else
????????????????????{

????????????????????????textBox3.AppendText（strRevMsg?+?“\r\n\n“）;
????????????????????????x?=?1;
????????????????????}
????????????????}
????????????????catch?（Exception?ex）
?????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-11-22?14:21??客戶端\
?????目錄???????????0??2018-11-22?14:42??客戶端\chat2\
?????目錄???????????0??2018-11-22?14:42??客戶端\chat2\.vs\
?????目錄???????????0??2018-11-22?14:42??客戶端\chat2\.vs\chat2\
?????目錄???????????0??2018-11-22?14:42??客戶端\chat2\.vs\chat2\v14\
?????文件???????16896??2018-11-22?14:41??客戶端\chat2\.vs\chat2\v14\.suo
?????目錄???????????0??2018-11-22?14:21??客戶端\chat2\chat2\
?????文件?????????857??2018-11-22?14:21??客戶端\chat2\chat2.sln
?????文件???????16896??2018-11-22?14:47??客戶端\chat2\chat2.suo
?????目錄???????????0??2018-11-22?14:21??客戶端\chat2\chat2\bin\
?????目錄???????????0??2018-11-22?14:39??客戶端\chat2\chat2\bin\Debug\
?????文件???????12800??2018-11-22?14:43??客戶端\chat2\chat2\bin\Debug\chat2.exe
?????文件???????28160??2018-11-22?14:43??客戶端\chat2\chat2\bin\Debug\chat2.pdb
?????文件???????11608??2018-11-22?14:43??客戶端\chat2\chat2\bin\Debug\chat2.vshost.exe
?????文件?????????490??2018-04-12?07:35??客戶端\chat2\chat2\bin\Debug\chat2.vshost.exe.manifest
?????文件????????3562??2018-11-22?14:47??客戶端\chat2\chat2\chat2.csproj
?????文件????????5732??2018-11-22?14:47??客戶端\chat2\chat2\Form1.cs
?????文件????????8037??2018-11-22?14:43??客戶端\chat2\chat2\Form1.Designer.cs
?????文件????????6016??2018-11-22?14:43??客戶端\chat2\chat2\Form1.resx
?????目錄???????????0??2018-11-22?14:21??客戶端\chat2\chat2\obj\
?????目錄???????????0??2018-11-22?14:21??客戶端\chat2\chat2\obj\x86\
?????目錄???????????0??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\
?????文件?????????690??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\chat2.csproj.FileListAbsolute.txt
?????文件?????????975??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\chat2.csproj.GenerateResource.Cache
?????文件????????1757??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\chat2.csprojResolveAssemblyReference.cache
?????文件???????12800??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\chat2.exe
?????文件?????????180??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\chat2.Form1.resources
?????文件???????28160??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\chat2.pdb
?????文件?????????180??2018-11-22?14:39??客戶端\chat2\chat2\obj\x86\Debug\chat2.Properties.Resources.resources
?????文件????????1229??2018-11-22?14:42??客戶端\chat2\chat2\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件????????6125??2018-11-22?14:43??客戶端\chat2\chat2\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
............此處省略42個文件信息