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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