基于winsocket的框体Server和Client

前面学了一点Winsock的知识，会编写简单的Server和Client，现在就想通过VS2008编写框体的Server和Client，而不是在控制台上的操作了，毕竟学编程就是要多加练习，在实践中发现不懂的地方，然后解决，然后再发现……

当然，作为一个刚接触Winsock的新手，大部分知识都来自于网上的资料，包括接下来的代码也是借鉴。。。

第一步利用VS2008创建一个Windows窗体应用程序chatServer（过程略）；
设计你的窗体，简单的设计了一个窗体

注意，每一个组件都需要有唯一的Name，在设置好组件的属性后，可以双击这个组件，则会自动生成对应的动作函数；

在Form1.h中写入如下代码，注意里面很多的函数时根据组件Name来命名的，所以copy时需要注意这一点；

         #pragma once

 namespace chatServer {

     using namespace System;

     using namespace System::ComponentModel;

     using namespace System::Collections;

     using namespace System::Windows::Forms;

     using namespace System::Data;

     using namespace System::Drawing;

     using namespace System::Threading;

     using namespace System::Text;

     using namespace System::Net;

     using namespace System::Net::Sockets;

     using namespace System::IO;

     /// <summary>

     /// Form1 摘要

     ///

     /// 警告: 如果更改此类的名称，则需要更改

     ///          与此类所依赖的所有 .resx 文件关联的托管资源编译器工具的

     ///          “资源文件名”属性。否则，

     ///          设计器将不能与此窗体的关联

     ///          本地化资源正确交互。

     /// </summary>

     public ref class Form1 : public System::Windows::Forms::Form

     {

     Socket^ mySocket;

     Socket^ tempSocket;

     Thread^ myThread;

     int port;

     String^ host;

     public:

         Form1(void)

         {

             InitializeComponent();

             //

             //TODO: 在此处添加构造函数代码

             //

         }

     protected:

         /// <summary>

         /// 清理所有正在使用的资源。

         /// </summary>

         ~Form1()

         {

             if (components)

             {

                 delete components;

             }

         }

     private: System::Windows::Forms::TextBox^  IPBox;

     private: System::Windows::Forms::Label^  IP;

     private: System::Windows::Forms::TextBox^  ShowBox;

     private: System::Windows::Forms::TextBox^  InputBox;

     private: System::Windows::Forms::Label^  InputLabel;

     private: System::Windows::Forms::Button^  SendButton;

     private: System::Windows::Forms::Button^  ExitButton;

     public : String^ m_ShowText;

     public : String^ m_IPShowText;

     protected: 

     private:

         /// <summary>

         /// 必需的设计器变量。

         /// </summary>

         System::ComponentModel::Container ^components;

 #pragma region Windows Form Designer generated code

         /// <summary>

         /// 设计器支持所需的方法 - 不要

         /// 使用代码编辑器修改此方法的内容。

         /// </summary>

         void InitializeComponent(void)

         {

             this->IPBox = (gcnew System::Windows::Forms::TextBox());

             this->IP = (gcnew System::Windows::Forms::Label());

             this->ShowBox = (gcnew System::Windows::Forms::TextBox());

             this->InputBox = (gcnew System::Windows::Forms::TextBox());

             this->InputLabel = (gcnew System::Windows::Forms::Label());

             this->SendButton = (gcnew System::Windows::Forms::Button());

             this->ExitButton = (gcnew System::Windows::Forms::Button());

             this->SuspendLayout();

             //

             // IPBox

             //

             this->IPBox->Location = System::Drawing::Point(, );

             this->IPBox->Name = L"IPBox";

             this->IPBox->Size = System::Drawing::Size(, );

             this->IPBox->TabIndex = ;

             this->IPBox->TextChanged += gcnew System::EventHandler(this, &Form1::IPBox_TextChanged);

             //

             // IP

             //

             this->IP->AutoSize = true;

             this->IP->BackColor = System::Drawing::SystemColors::InactiveCaption;

             this->IP->Font = (gcnew System::Drawing::Font(L"宋体", 21.75F, System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,

                 static_cast<System::Byte>()));

             this->IP->Location = System::Drawing::Point(, );

             this->IP->Name = L"IP";

             this->IP->Size = System::Drawing::Size(, );

             this->IP->TabIndex = ;

             this->IP->Text = L"IP and Port";

             this->IP->Click += gcnew System::EventHandler(this, &Form1::IP_Click);

             //

             // ShowBox

             //

             this->ShowBox->Location = System::Drawing::Point(, );

             this->ShowBox->Multiline = true;

             this->ShowBox->Name = L"ShowBox";

             this->ShowBox->ScrollBars = System::Windows::Forms::ScrollBars::Vertical;

             this->ShowBox->Size = System::Drawing::Size(, );

             this->ShowBox->TabIndex = ;

             this->ShowBox->TextChanged += gcnew System::EventHandler(this, &Form1::ShowBox_TextChanged);

             //

             // InputBox

             //

             this->InputBox->Location = System::Drawing::Point(, );

             this->InputBox->Name = L"InputBox";

             this->InputBox->ScrollBars = System::Windows::Forms::ScrollBars::Vertical;

             this->InputBox->Size = System::Drawing::Size(, );

             this->InputBox->TabIndex = ;

             this->InputBox->TextChanged += gcnew System::EventHandler(this, &Form1::InputBox_TextChanged);

             //

             // InputLabel

             //

             this->InputLabel->AutoSize = true;

             this->InputLabel->Location = System::Drawing::Point(, );

             this->InputLabel->Name = L"InputLabel";

             this->InputLabel->Size = System::Drawing::Size(, );

             this->InputLabel->TabIndex = ;

             this->InputLabel->Text = L"输入你要发送的信息";

             this->InputLabel->Click += gcnew System::EventHandler(this, &Form1::InputLabel_Click);

             //

             // SendButton

             //

             this->SendButton->Location = System::Drawing::Point(, );

             this->SendButton->Name = L"SendButton";

             this->SendButton->Size = System::Drawing::Size(, );

             this->SendButton->TabIndex = ;

             this->SendButton->Text = L"发送";

             this->SendButton->UseVisualStyleBackColor = true;

             this->SendButton->Click += gcnew System::EventHandler(this, &Form1::SendButton_Click);

             //

             // ExitButton

             //

             this->ExitButton->Location = System::Drawing::Point(, );

             this->ExitButton->Name = L"ExitButton";

             this->ExitButton->Size = System::Drawing::Size(, );

             this->ExitButton->TabIndex = ;

             this->ExitButton->Text = L"退出";

             this->ExitButton->UseVisualStyleBackColor = true;

             this->ExitButton->Click += gcnew System::EventHandler(this, &Form1::ExitButton_Click);

             //

             // Form1

             //

             this->AutoScaleDimensions = System::Drawing::SizeF(, );

             this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

             this->ClientSize = System::Drawing::Size(, );

             this->Controls->Add(this->ExitButton);

             this->Controls->Add(this->SendButton);

             this->Controls->Add(this->InputLabel);

             this->Controls->Add(this->InputBox);

             this->Controls->Add(this->ShowBox);

             this->Controls->Add(this->IP);

             this->Controls->Add(this->IPBox);

             this->Name = L"Form1";

             this->Text = L"聊天---服务端";

             this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);

             this->ResumeLayout(false);

             this->PerformLayout();

         }

 #pragma endregion

         delegate void UpdateShowBox_Invoke();

         void UpdateShowBox()

         {

             ShowBox->AppendText(m_ShowText);//在后面追加显示新的内容

         }

         delegate void UpdateIPShowBox_Invoke();

         void UpdateIPShowBox()

         {

             IPBox->AppendText(m_IPShowText);

         }

         void DoWork()

         {

             port = ;//设置端口号

             host = "1.1.1.1";

             //设置服务器地址，这里需要你本机的ip

             IPAddress^ ip = IPAddress::Parse(host);

             IPEndPoint^ ipe = gcnew IPEndPoint(ip,port);

             mySocket = gcnew  Socket(AddressFamily::InterNetwork,SocketType::Stream,ProtocolType::Tcp);//创建一个socket类

             mySocket->Bind(ipe);//绑定端口

             m_IPShowText = host+" // "+port;

             this->Invoke(gcnew  UpdateIPShowBox_Invoke(this,&Form1::UpdateIPShowBox));//显示IP和端口号

             mySocket->Listen();//开始监听

             tempSocket = mySocket->Accept();//为新建连接创建新的Socket

             //连接上后进行死循环，避免断开连接    

             while(){

                 try{

                     String^ recvStr = "";

                     array<Byte>^ recvBytes = gcnew array<Byte>();

                     int bytes;

                     bytes = tempSocket->Receive(recvBytes,recvBytes->Length,SocketFlags::None); //从客户端接收信息

                     recvStr = Encoding::Default->GetString(recvBytes,,bytes); //转换数据为字符串

                     m_ShowText = "\r\n"+"Client 说:"+"\r\n"+recvStr+"\r\n"; //加上换行符把客户端传来的信息显示出来

                     this->Invoke(gcnew UpdateShowBox_Invoke(this,&Form1::UpdateShowBox));

                 }

                 catch(EndOfStreamException^ e)

                 {

                 }

                 catch(IOException^ e)

                 {

                     MessageBox::Show("I/O error");

                 }

             }

         }

     private: System::Void label1_Click(System::Object^  sender, System::EventArgs^  e) {

              }

     private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e) {

                  myThread = gcnew Thread(gcnew ThreadStart(this,&Form1::DoWork));

                  //创建一个线程

                  myThread->IsBackground = false;

                  myThread->Start();

              }

 private: System::Void SendButton_Click(System::Object^  sender, System::EventArgs^  e) {

              String^ sendStr = InputBox->Text;

              if(sendStr->Length > )

              {

                  m_ShowText = "\r\n"+"我说:"+"\r\n"+sendStr+"\r\n";

                  //加上换行符

                  this->Invoke(gcnew  UpdateShowBox_Invoke(this,&Form1::UpdateShowBox));

                  //本窗口显示发出去的内容

                  array<Byte>^ bs = Encoding::Default->GetBytes(sendStr);

                  //将字符串转为二进制，支持中英文传输

                  tempSocket->Send(bs,bs->Length,SocketFlags::None);

                  //把当前的聊天内容发送给客户端

                  InputBox->Text = "";

              }

          }

 private: System::Void ExitButton_Click(System::Object^  sender, System::EventArgs^  e) {

              tempSocket->Close();

              mySocket->Close();

              myThread->Abort();

              Application::Exit();

          }

 private: System::Void IP_Click(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void InputLabel_Click(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void ShowBox_TextChanged(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void IPBox_TextChanged(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void InputBox_TextChanged(System::Object^  sender, System::EventArgs^  e) {

          }

 };

 }

在chatServer中加入这一行代码：using namespace System::Threading;到此Server就基本完成了。。
仿照这样的方法完成Client端

chatClient过程中Form1.h的代码

 #pragma once

 namespace chatClient {

     using namespace System;

     using namespace System::ComponentModel;

     using namespace System::Collections;

     using namespace System::Windows::Forms;

     using namespace System::Data;

     using namespace System::Drawing;

     using namespace System::Threading;

     using namespace System::Text;

     using namespace System::Net;

     using namespace System::Net::Sockets;

     using namespace System::IO;

     /// <summary>

     /// Form1 摘要

     ///

     /// 警告: 如果更改此类的名称，则需要更改

     ///          与此类所依赖的所有 .resx 文件关联的托管资源编译器工具的

     ///          “资源文件名”属性。否则，

     ///          设计器将不能与此窗体的关联

     ///          本地化资源正确交互。

     /// </summary>

     public ref class Form1 : public System::Windows::Forms::Form

     {

         Socket^ mySocket;

         Socket^ tempSocket;

         Thread^ myThread;

         int port;

         String^ host;

     public:

         Form1(void)

         {

             InitializeComponent();

             //

             //TODO: 在此处添加构造函数代码

             //

         }

     protected:

         /// <summary>

         /// 清理所有正在使用的资源。

         /// </summary>

         ~Form1()

         {

             if (components)

             {

                 delete components;

             }

         }

     private: System::Windows::Forms::TextBox^  IPShowBox;

     protected: 

     private: System::Windows::Forms::TextBox^  showBox;

     protected: 

     private: System::Windows::Forms::Label^  label1;

     private: System::Windows::Forms::Label^  InputLabel;

     private: System::Windows::Forms::TextBox^  InputBox;

     private: System::Windows::Forms::Button^  SendButton;

     private: System::Windows::Forms::Button^  exitButton;

     public : String^ m_ShowText;

     public : String^ m_IPShowText;

     private:

         /// <summary>

         /// 必需的设计器变量。

         /// </summary>

         System::ComponentModel::Container ^components;

 #pragma region Windows Form Designer generated code

         /// <summary>

         /// 设计器支持所需的方法 - 不要

         /// 使用代码编辑器修改此方法的内容。

         /// </summary>

         void InitializeComponent(void)

         {

             this->IPShowBox = (gcnew System::Windows::Forms::TextBox());

             this->showBox = (gcnew System::Windows::Forms::TextBox());

             this->label1 = (gcnew System::Windows::Forms::Label());

             this->InputLabel = (gcnew System::Windows::Forms::Label());

             this->InputBox = (gcnew System::Windows::Forms::TextBox());

             this->SendButton = (gcnew System::Windows::Forms::Button());

             this->exitButton = (gcnew System::Windows::Forms::Button());

             this->SuspendLayout();

             //

             // IPShowBox

             //

             this->IPShowBox->Location = System::Drawing::Point(, );

             this->IPShowBox->Multiline = true;

             this->IPShowBox->Name = L"IPShowBox";

             this->IPShowBox->Size = System::Drawing::Size(, );

             this->IPShowBox->TabIndex = ;

             this->IPShowBox->TextChanged += gcnew System::EventHandler(this, &Form1::IPShowBox_TextChanged);

             //

             // showBox

             //

             this->showBox->Location = System::Drawing::Point(, );

             this->showBox->Multiline = true;

             this->showBox->Name = L"showBox";

             this->showBox->ScrollBars = System::Windows::Forms::ScrollBars::Vertical;

             this->showBox->Size = System::Drawing::Size(, );

             this->showBox->TabIndex = ;

             this->showBox->TextChanged += gcnew System::EventHandler(this, &Form1::showBox_TextChanged);

             //

             // label1

             //

             this->label1->AutoSize = true;

             this->label1->Font = (gcnew System::Drawing::Font(L"宋体", , System::Drawing::FontStyle::Regular, System::Drawing::GraphicsUnit::Point,

                 static_cast<System::Byte>()));

             this->label1->Location = System::Drawing::Point(, );

             this->label1->Name = L"label1";

             this->label1->Size = System::Drawing::Size(, );

             this->label1->TabIndex = ;

             this->label1->Text = L"IP and Port\r\n";

             //

             // InputLabel

             //

             this->InputLabel->AutoSize = true;

             this->InputLabel->Location = System::Drawing::Point(, );

             this->InputLabel->Name = L"InputLabel";

             this->InputLabel->Size = System::Drawing::Size(, );

             this->InputLabel->TabIndex = ;

             this->InputLabel->Text = L"输入信息";

             //

             // InputBox

             //

             this->InputBox->Location = System::Drawing::Point(, );

             this->InputBox->Name = L"InputBox";

             this->InputBox->Size = System::Drawing::Size(, );

             this->InputBox->TabIndex = ;

             this->InputBox->TextChanged += gcnew System::EventHandler(this, &Form1::InputBox_TextChanged);

             //

             // SendButton

             //

             this->SendButton->Location = System::Drawing::Point(, );

             this->SendButton->Name = L"SendButton";

             this->SendButton->Size = System::Drawing::Size(, );

             this->SendButton->TabIndex = ;

             this->SendButton->Text = L"发送";

             this->SendButton->UseVisualStyleBackColor = true;

             this->SendButton->Click += gcnew System::EventHandler(this, &Form1::SendButton_Click);

             //

             // exitButton

             //

             this->exitButton->Location = System::Drawing::Point(, );

             this->exitButton->Name = L"exitButton";

             this->exitButton->Size = System::Drawing::Size(, );

             this->exitButton->TabIndex = ;

             this->exitButton->Text = L"退出";

             this->exitButton->UseVisualStyleBackColor = true;

             this->exitButton->Click += gcnew System::EventHandler(this, &Form1::exitButton_Click);

             //

             // Form1

             //

             this->AutoScaleDimensions = System::Drawing::SizeF(, );

             this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;

             this->ClientSize = System::Drawing::Size(, );

             this->Controls->Add(this->exitButton);

             this->Controls->Add(this->SendButton);

             this->Controls->Add(this->InputBox);

             this->Controls->Add(this->InputLabel);

             this->Controls->Add(this->label1);

             this->Controls->Add(this->showBox);

             this->Controls->Add(this->IPShowBox);

             this->Name = L"Form1";

             this->Text = L"聊天--客户端";

             this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);

             this->ResumeLayout(false);

             this->PerformLayout();

         }

 #pragma endregion

         delegate void UpdateShowBox_Invoke();

         void UpdateShowBox()

         {

             showBox->AppendText(m_ShowText);//在后面追加显示新的内容

         }

         delegate void UpdateIPShowBox_Invoke();

         void UpdateIPShowBox()

         {

             IPShowBox->AppendText(m_IPShowText);

         }

         void DoWork()

         {

             port = ;//设置端口号

             host = "1.1.1.1";//设置服务器地址

             IPAddress^ ip = IPAddress::Parse(host);

             IPEndPoint^ ipe = gcnew IPEndPoint(ip,port);

             mySocket = gcnew  Socket(AddressFamily::InterNetwork,SocketType::Stream,ProtocolType::Tcp);//创建一个socket类

             mySocket->Connect(ipe);

             m_IPShowText = host+" // "+port;

             this->Invoke(gcnew  UpdateIPShowBox_Invoke(this,&Form1::UpdateIPShowBox));//显示IP和端口号

             //连接上后进行死循环，避免断开连接

             while(){

                 try{

                     String^ recvStr = "";

                     array<Byte>^ recvBytes = gcnew array<Byte>();

                     int bytes;

                     bytes = mySocket->Receive(recvBytes,recvBytes->Length,SocketFlags::None); //从客户端接收信息

                     recvStr = Encoding::Default->GetString(recvBytes,,bytes); //转换数据为字符串

                     m_ShowText = "\r\n"+"Server 说:"+"\r\n"+recvStr+"\r\n"; //加上换行符把客户端传来的信息显示出来

                     this->Invoke(gcnew UpdateShowBox_Invoke(this,&Form1::UpdateShowBox));

                 }

                 catch(EndOfStreamException^ e)

                 {

                 }

                 catch(IOException^ e)

                 {

                     MessageBox::Show("I/O error");

                 }

             }

         }

 private: System::Void exitButton_Click(System::Object^  sender, System::EventArgs^  e) {

              mySocket->Close();

              myThread->Abort();

              Application::Exit();

          }

 private: System::Void SendButton_Click(System::Object^  sender, System::EventArgs^  e) {

              String^ sendStr = InputBox->Text;

              if(sendStr->Length > )

              {

                  m_ShowText = "\r\n"+"我说:"+"\r\n"+sendStr+"\r\n";

                  //加上换行符

                  this->Invoke(gcnew  UpdateShowBox_Invoke(this,&Form1::UpdateShowBox));

                  //本窗口显示发出去的内容

                  array<Byte>^ bs = Encoding::Default->GetBytes(sendStr);

                  //将字符串转为二进制，支持中英文传输

                  mySocket->Send(bs,bs->Length,SocketFlags::None);

                  //把当前的聊天内容发送给客户端

                  InputBox->Text = "";

              }

          }

 private: System::Void InputBox_TextChanged(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void showBox_TextChanged(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void IPShowBox_TextChanged(System::Object^  sender, System::EventArgs^  e) {

          }

 private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e) {

              myThread = gcnew Thread(gcnew ThreadStart(this,&Form1::DoWork));

              //创建一个线程

              myThread->IsBackground = true;

              myThread->Start();

          }

 };

 }

同样需要在chatClient中加入using namespace System::Threading;
接下来执行，先打开Server，在打开Client
结果是：

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