远程桌面控制器-用c++实现
<p>写一个远程桌面控制器是一个非常复杂的任务,需要熟悉许多网络协议、图像处理技术以及用户界面设计等知识。这里给出的是一个基本的框架,你可以在此基础上进行扩展和完善。</p>
<p>首先,我们需要用到一些库来帮助我们实现远程桌面控制器。在这里,我们假设你使用的是 Windows 系统,并使用了以下几个库:</p>
<ul>
<li>WinSock:用于实现网络通信。</li>
<li>GDI+:用于处理图像。</li>
<li>MFC:用于创建图形用户界面。</li>
</ul>
<p>下面是使用这些库编写远程桌面控制器的基本步骤:</p>
<ol>
<li>创建一个 MFC 应用程序。</li>
<li>使用 WinSock 库创建一个网络连接。</li>
<li>使用 GDI+ 库获取远程桌面的屏幕截图。</li>
<li>将屏幕截图显示在 MFC 窗口中。</li>
<li>为用户提供一组控制命令,例如鼠标移动、鼠标单击、键盘输入等。</li>
<li>使用 WinSock 库将用户的控制命令发送到远程桌面。</li>
</ol>
<p>下面是使用这些库编写远程桌面控制器的示例代码:</p>
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class="string"><winsock2.h></span></span></span><br><span class="line"><span class="meta">#<span class="keyword">include</span> <span class="string"><gdiplus.h></span></span></span><br><span class="line"><span class="meta">#<span class="keyword">include</span> <span class="string"><afxwin.h></span> <span class="comment">// 包含 MFC 的头文件</span></span></span><br><span class="line"></span><br><span class="line"><span class="keyword">using</span> <span class="keyword">namespace</span> Gdiplus;</span><br><span class="line"></span><br><span class="line"><span class="comment">// 定义一个 Socket 类,用于封装网络通信相关的操作</span></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">Socket</span></span><br><span class="line">{</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> WSADATA m_wsaData;</span><br><span class="line"> SOCKET m_sock;</span><br><span class="line"> sockaddr_in m_serverAddr;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line"> <span class="built_in">Socket</span>() : <span class="built_in">m_sock</span>(INVALID_SOCKET) {}</span><br><span class="line"> <span class="comment">// 初始化 WinSock 库</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Init</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">WSAStartup</span>(<span class="built_in">MAKEWORD</span>(<span class="number">2</span>, <span class="number">2</span>), &m_wsaData) != <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 创建套接字</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Create</span><span class="params">(<span class="type">int</span> af, <span class="type">int</span> type, <span class="type">int</span> protocol)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_sock = <span class="built_in">socket</span>(af, type, protocol);</span><br><span class="line"> <span class="keyword">if</span> (m_sock == INVALID_SOCKET)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 连接到服务器</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Connect</span><span class="params">(<span class="type">const</span> <span class="type">char</span>* ip, <span class="type">unsigned</span> <span class="type">short</span> port)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_serverAddr.sin_family = AF_INET;</span><br><span class="line"> m_serverAddr.sin_port = <span class="built_in">htons</span>(port);</span><br><span class="line"> m_serverAddr.sin_addr.S_un.S_addr = <span class="built_in">inet_addr</span>(ip);</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">connect</span>(m_sock, (sockaddr*)&m_serverAddr, <span class="built_in">sizeof</span>(m_serverAddr)) == SOCKET_ERROR)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送数据</span></span><br><span class="line"> <span class="function"><span class="type">int</span> <span class="title">Send</span><span class="params">(<span class="type">const</span> <span class="type">char</span>* buf, <span class="type">int</span> len)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">return</span> <span class="built_in">send</span>(m_sock, buf, len, <span class="number">0</span>);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 接收数据</span></span><br><span class="line"> <span class="function"><span class="type">int</span> <span class="title">Receive</span><span class="params">(<span class="type">char</span>* buf, <span class="type">int</span> len)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">return</span> <span class="built_in">recv</span>(m_sock, buf, len, <span class="number">0</span>);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 关闭套接字</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Close</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="built_in">closesocket</span>(m_sock);</span><br><span class="line"> m_sock = INVALID_SOCKET;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 清理 WinSock 库</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Cleanup</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="built_in">WSACleanup</span>();</span><br><span class="line"> }</span><br><span class="line">};</span><br><span class="line"></span><br><span class="line"><span class="comment">// 定义一个 RemoteDesktop 类,用于控制远程桌面</span></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">RemoteDesktop</span></span><br><span class="line">{</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> Socket m_socket; <span class="comment">// 用于网络通信的套接字</span></span><br><span class="line"> Image* m_image; <span class="comment">// 当前屏幕截图</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line"> <span class="built_in">RemoteDesktop</span>() : <span class="built_in">m_image</span>(<span class="literal">NULL</span>) {}</span><br><span class="line"> <span class="comment">// 连接到远续桌面服务器</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Connect</span><span class="params">(<span class="type">const</span> <span class="type">char</span>* ip, <span class="type">unsigned</span> <span class="type">short</span> port)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Init</span>())</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Create</span>(AF_INET, SOCK_STREAM, IPPROTO_TCP))</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Connect</span>(ip, port))</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 断开与远程桌面服务器的连接</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Disconnect</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_socket.<span class="built_in">Close</span>();</span><br><span class="line"> m_socket.<span class="built_in">Cleanup</span>();</span><br><span class="line"> <span class="keyword">delete</span> m_image;</span><br><span class="line"> m_image = <span class="literal">NULL</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 获取远程桌面的屏幕截图</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">GetScreenshot</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 先发送获取屏幕截图的命令</span></span><br><span class="line"> <span class="type">const</span> <span class="type">char</span>* cmd = <span class="string">"screenshot"</span>;</span><br><span class="line"> m_socket.<span class="built_in">Send</span>(cmd, <span class="built_in">strlen</span>(cmd));</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 接收屏幕截图的大小</span></span><br><span class="line"> <span class="type">int</span> size;</span><br><span class="line"> m_socket.<span class="built_in">Receive</span>((<span class="type">char</span>*)&size, <span class="built_in">sizeof</span>(size));</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 分配内存空间,准备接收屏幕截图的数据</span></span><br><span class="line"> <span class="type">char</span>* data = <span class="keyword">new</span> <span class="type">char</span>[size];</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 接收屏幕截图的数据</span></span><br><span class="line"> <span class="type">int</span> bytesReceived = <span class="number">0</span>;</span><br><span class="line"> <span class="keyword">while</span> (bytesReceived < size)</span><br><span class="line"> {</span><br><span class="line"> <span class="type">int</span> count = m_socket.<span class="built_in">Receive</span>(data + bytesReceived, size - bytesReceived);</span><br><span class="line"> <span class="keyword">if</span> (count <= <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">delete</span>[] data;</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> bytesReceived += count;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将接收到的数据转换为 GDI+ 图像</span></span><br><span class="line"> <span class="keyword">delete</span> m_image;</span><br><span class="line"> m_image = <span class="keyword">new</span> <span class="built_in">Image</span>(data, size);</span><br><span class="line"> <span class="keyword">delete</span>[] data;</span><br><span class="line"></span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 获取当前屏幕截图</span></span><br><span class="line"> <span class="function">Image* <span class="title">GetImage</span><span class="params">()</span> <span class="type">const</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">return</span> m_image;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送鼠标移动命令</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">MoveMouse</span><span class="params">(<span class="type">int</span> x, <span class="type">int</span> y)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 封装命令格式,发送命令</span></span><br><span class="line"> <span class="type">const</span> <span class="type">char</span>* cmd = <span class="string">"mouse move"</span>;</span><br><span class="line"> m_socket.<span class="built_in">Send</span>(cmd, <span class="built_in">strlen</span>(cmd));</span><br><span class="line"> m_socket.<span class="built_in">Send</span>((<span class="type">char</span>*)&x, <span class="built_in">sizeof</span>(x));</span><br><span class="line"> m_socket.<span class="built_in">Send</span>((<span class="type">char</span>*)&y, <span class="built_in">sizeof</span>(y));</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送鼠标单击命令</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">ClickMouse</span><span class="params">(<span class="type">int</span> x, <span class="type">int</span> y)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 封装命令格式,发送命令</span></span><br><span class="line"> <span class="type">const</span> <span class="type">char</span>* cmd = <span class="string">"mouse click"</span>;</span><br><span class="line"> m_socket.<span class="built_in">Send</span>(cmd, <span class="built_in">strlen</span>(cmd));</span><br><span class="line"> m_socket.<span class="built_in">Send</span>((<span class="type">char</span>*)&x, <span class="built_in">sizeof</span>(x));</span><br><span class="line"> m_socket.<span class="built_in">Send</span>((<span class="type">char</span>*)&y, <span class="built_in">sizeof</span>(y));</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送键盘输入命令</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">InputKey</span><span class="params">(<span class="type">int</span> keyCode)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 封装命令格式,发送命令</span></span><br><span class="line"> <span class="type">const</span> <span class="type">char</span>* cmd = <span class="string">"key input"</span>;</span><br><span class="line"> m_socket.<span class="built_in">Send</span>(cmd, <span class="built_in">strlen</span>(cmd));</span><br><span class="line"> m_socket.<span class="built_in">Send</span>((<span class="type">char</span>*)&keyCode, <span class="built_in">sizeof</span>(keyCode));</span><br><span class="line"> }</span><br><span class="line">};</span><br><span class="line"></span><br><span class="line"><span class="comment">// 定义一个 RemoteDesktopDialog 类,用于显示远程桌面的界面</span></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">RemoteDesktopDialog</span> : <span class="keyword">public</span> CDialog</span><br><span class="line">{</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> RemoteDesktop m_rd; <span class="comment">// 用于控制远程桌面的对象</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line"> <span class="comment">// 使用 MFC 对话框的基本操作</span></span><br><span class="line"> <span class="built_in">RemoteDesktopDialog</span>() : <span class="built_in">CDialog</span>(IDD_DIALOG1) {}</span><br><span class="line"></span><br><span class="line"><span class="keyword">protected</span>:</span><br><span class="line"> <span class="function"><span class="keyword">virtual</span> <span class="type">void</span> <span class="title">DoDataExchange</span><span class="params">(CDataExchange* pDX)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> CDialog::<span class="built_in">DoDataExchange</span>(pDX);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line"> <span class="comment">// 连接到远程桌面服务器</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Connect</span><span class="params">(<span class="type">const</span> <span class="type">char</span>* ip, <span class="type">unsigned</span> <span class="type">short</span> port)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">return</span> m_rd.<span class="built_in">Connect</span>(ip, port);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 断开与远程桌面服务器的连接</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Disconnect</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_rd.<span class="built_in">Disconnect</span>();</span><br><span class="line"> }</span><br><span class="line"><span class="keyword">protected</span>:</span><br><span class="line"> <span class="comment">// 绘制远程桌面的界面</span></span><br><span class="line"> <span class="function">afx_msg <span class="type">void</span> <span class="title">OnPaint</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="function">CPaintDC <span class="title">dc</span><span class="params">(<span class="keyword">this</span>)</span></span>; <span class="comment">// 用于绘制的设备上下文</span></span><br><span class="line"> CRect rect;</span><br><span class="line"> <span class="built_in">GetClientRect</span>(&rect); <span class="comment">// 获取对话框的客户区域</span></span><br><span class="line"> <span class="comment">// 获取屏幕截图,并绘制到界面上</span></span><br><span class="line"> Image* image = m_rd.<span class="built_in">GetImage</span>();</span><br><span class="line"> <span class="keyword">if</span> (image != <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="function">Graphics <span class="title">graphics</span><span class="params">(dc)</span></span>;</span><br><span class="line"> graphics.<span class="built_in">DrawImage</span>(image, rect);</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 处理鼠标移动事件</span></span><br><span class="line"> <span class="function">afx_msg <span class="type">void</span> <span class="title">OnMouseMove</span><span class="params">(UINT nFlags, CPoint point)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_rd.<span class="built_in">MoveMouse</span>(point.x, point.y);</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 处理鼠标单击事件</span></span><br><span class="line"> <span class="function">afx_msg <span class="type">void</span> <span class="title">OnLButtonDown</span><span class="params">(UINT nFlags, CPoint point)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_rd.<span class="built_in">ClickMouse</span>(point.x, point.y);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 处理键盘输入事件</span></span><br><span class="line"> <span class="function">afx_msg <span class="type">void</span> <span class="title">OnKeyDown</span><span class="params">(UINT nChar, UINT nRepCnt, UINT nFlags)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_rd.<span class="built_in">InputKey</span>(nChar);</span><br><span class="line"> }</span><br><span class="line"> <span class="built_in">DECLARE_MESSAGE_MAP</span>()</span><br><span class="line">};</span><br><span class="line"></span><br><span class="line"><span class="built_in">BEGIN_MESSAGE_MAP</span>(RemoteDesktopDialog, CDialog)</span><br><span class="line"> <span class="built_in">ON_WM_PAINT</span>()</span><br><span class="line"> <span class="built_in">ON_WM_MOUSEMOVE</span>()</span><br><span class="line"> <span class="built_in">ON_WM_LBUTTONDOWN</span>()</span><br><span class="line"> <span class="built_in">ON_WM_KEYDOWN</span>()</span><br><span class="line"><span class="built_in">END_MESSAGE_MAP</span>()</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="type">int</span> <span class="title">main</span><span class="params">()</span></span></span><br><span class="line"><span class="function"></span>{</span><br><span class="line"> <span class="comment">// 初始化 GDI+</span></span><br><span class="line"> GdiplusStartupInput gdiplusStartupInput;</span><br><span class="line"> ULONG_PTR gdiplusToken;</span><br><span class="line"> <span class="built_in">GdiplusStartup</span>(&gdiplusToken, &gdiplusStartupInput, <span class="literal">NULL</span>);</span><br><span class="line"> <span class="comment">// 创建对话框并运行</span></span><br><span class="line"> RemoteDesktopDialog dlg;</span><br><span class="line"> dlg.<span class="built_in">DoModal</span>();</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 清理 GDI+</span></span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">}</span><br><span class="line"></span><br></pre></td></tr></table></figure></p>
<p>在这段代码中,我们定义了三个类:Socket、RemoteDesktop 和 RemoteDesktopDialog。Socket 类封装了网络通信的相关操作,RemoteDesktop 类用于控制远程桌面,RemoteDesktopDialog 类用于显示远程桌面的界面。</p>
<p>使用这个远程桌面控制器的流程如下:</p>
<ol>
<li>调用 Socket 类的 Init 函数初始化 WinSock 库。</li>
<li>调用 Socket 类的 Create 函数创建一个套接字。</li>
<li>调用 Socket 类的 Connect 函数连接到远程桌面服务器。</li>
<li>调用 RemoteDesktop 类的 GetScreenshot 函数获取远程桌面的屏幕截图。</li>
<li>调用 RemoteDesktop 类的 MoveMouse、ClickMouse 或 InputKey 函数发送控制命令。</li>
<li>重复步骤 4 和 5,实时更新远程桌面的屏幕截图并发送控制命令。</li>
<li>当远程桌面控制结束时,调用 RemoteDesktop 类的 Disconnect 函数断开与远程桌面服务器的连接,并调用 Socket 类的 Cleanup 函数清理 WinSock 库。</li>
</ol>
<p>需要注意的是,这段代码使用了 MFC 库来绘制界面,因此需要在 Visual Studio 中创建一个 MFC 应用程序,并在对话框资源中添加一个对话框。然后将上面的代码放入主窗口类的 .cpp 文件中,并在 .h 文件中声明相应的消息映射函数。</p>
<p>以下是服务端代码:</p>
<p><figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span 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class="line">302</span><br><span class="line">303</span><br><span class="line">304</span><br><span class="line">305</span><br><span class="line">306</span><br><span class="line">307</span><br><span class="line">308</span><br><span class="line">309</span><br><span class="line">310</span><br><span class="line">311</span><br><span class="line">312</span><br><span class="line">313</span><br><span class="line">314</span><br><span class="line">315</span><br><span class="line">316</span><br><span class="line">317</span><br><span class="line">318</span><br><span class="line">319</span><br><span class="line">320</span><br><span class="line">321</span><br><span class="line">322</span><br><span class="line">323</span><br><span class="line">324</span><br><span class="line">325</span><br><span class="line">326</span><br><span class="line">327</span><br><span class="line">328</span><br><span class="line">329</span><br><span class="line">330</span><br><span class="line">331</span><br><span class="line">332</span><br><span class="line">333</span><br><span class="line">334</span><br><span class="line">335</span><br><span class="line">336</span><br><span class="line">337</span><br><span class="line">338</span><br><span class="line">339</span><br><span class="line">340</span><br><span class="line">341</span><br><span class="line">342</span><br><span class="line">343</span><br><span class="line">344</span><br><span class="line">345</span><br><span class="line">346</span><br><span class="line">347</span><br><span class="line">348</span><br><span class="line">349</span><br><span class="line">350</span><br><span class="line">351</span><br><span class="line">352</span><br><span class="line">353</span><br><span class="line">354</span><br><span class="line">355</span><br><span class="line">356</span><br><span class="line">357</span><br><span class="line">358</span><br><span class="line">359</span><br><span class="line">360</span><br><span class="line">361</span><br><span class="line">362</span><br><span class="line">363</span><br><span class="line">364</span><br><span class="line">365</span><br><span class="line">366</span><br><span class="line">367</span><br><span class="line">368</span><br><span class="line">369</span><br><span class="line">370</span><br><span class="line">371</span><br><span class="line">372</span><br><span class="line">373</span><br><span class="line">374</span><br><span class="line">375</span><br><span class="line">376</span><br><span class="line">377</span><br><span class="line">378</span><br><span class="line">379</span><br><span class="line">380</span><br><span class="line">381</span><br><span class="line">382</span><br><span class="line">383</span><br><span class="line">384</span><br><span class="line">385</span><br><span class="line">386</span><br><span class="line">387</span><br><span class="line">388</span><br><span class="line">389</span><br><span class="line">390</span><br><span class="line">391</span><br><span class="line">392</span><br><span class="line">393</span><br><span class="line">394</span><br><span class="line">395</span><br><span class="line">396</span><br><span class="line">397</span><br><span class="line">398</span><br><span class="line">399</span><br><span class="line">400</span><br><span class="line">401</span><br><span class="line">402</span><br><span class="line">403</span><br><span class="line">404</span><br><span class="line">405</span><br><span class="line">406</span><br><span class="line">407</span><br><span class="line">408</span><br><span class="line">409</span><br><span class="line">410</span><br><span class="line">411</span><br><span class="line">412</span><br><span class="line">413</span><br><span class="line">414</span><br><span class="line">415</span><br><span class="line">416</span><br><span class="line">417</span><br><span class="line">418</span><br><span class="line">419</span><br><span class="line">420</span><br><span class="line">421</span><br><span class="line">422</span><br><span class="line">423</span><br><span class="line">424</span><br><span class="line">425</span><br><span class="line">426</span><br><span class="line">427</span><br><span class="line">428</span><br><span class="line">429</span><br><span class="line">430</span><br><span class="line">431</span><br><span class="line">432</span><br><span class="line">433</span><br><span class="line">434</span><br><span class="line">435</span><br><span class="line">436</span><br><span class="line">437</span><br><span class="line">438</span><br><span class="line">439</span><br><span class="line">440</span><br><span class="line">441</span><br><span class="line">442</span><br><span class="line">443</span><br><span class="line">444</span><br><span class="line">445</span><br><span class="line">446</span><br><span class="line">447</span><br><span class="line">448</span><br><span class="line">449</span><br><span class="line">450</span><br><span class="line">451</span><br><span class="line">452</span><br><span class="line">453</span><br><span class="line">454</span><br><span class="line">455</span><br><span class="line">456</span><br><span class="line">457</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">#<span class="keyword">include</span> <span class="string"><Windows.h></span></span></span><br><span class="line"><span class="meta">#<span class="keyword">include</span> <span class="string"><GdiPlus.h></span></span></span><br><span class="line"><span class="meta">#<span class="keyword">include</span> <span class="string"><winsock2.h></span></span></span><br><span class="line"><span class="meta">#<span class="keyword">include</span><span class="string"><iostream></span></span></span><br><span class="line"><span class="meta">#<span class="keyword">pragma</span> comment(lib, <span class="string">"gdiplus.lib"</span>)</span></span><br><span class="line"><span class="meta">#<span class="keyword">pragma</span> comment(lib, <span class="string">"ws2_32.lib"</span>)</span></span><br><span class="line"><span class="keyword">using</span> <span class="keyword">namespace</span> std;</span><br><span class="line"><span class="keyword">using</span> <span class="keyword">namespace</span> Gdiplus;</span><br><span class="line"></span><br><span class="line"><span class="comment">// 定义一个 Socket 类,用于封装网络通信相关的操作</span></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">Socket</span></span><br><span class="line">{</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> WSADATA m_wsaData;</span><br><span class="line"> SOCKET m_sock;</span><br><span class="line"> sockaddr_in m_serverAddr;</span><br><span class="line"> sockaddr_in m_clientAddr;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line"> <span class="built_in">Socket</span>() : <span class="built_in">m_sock</span>(INVALID_SOCKET) {}</span><br><span class="line"> <span class="comment">// 初始化 WinSock 库</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Init</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">WSAStartup</span>(<span class="built_in">MAKEWORD</span>(<span class="number">2</span>, <span class="number">2</span>), &m_wsaData) != <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 创建套接字</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Create</span><span class="params">(<span class="type">int</span> af, <span class="type">int</span> type, <span class="type">int</span> protocol)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> m_sock = <span class="built_in">socket</span>(af, type, protocol);</span><br><span class="line"> <span class="keyword">if</span> (m_sock == INVALID_SOCKET)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 绑定套接字到本地地址和端口</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Bind</span><span class="params">(<span class="type">unsigned</span> <span class="type">short</span> port)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="built_in">memset</span>(&m_serverAddr, <span class="number">0</span>, <span class="built_in">sizeof</span>(m_serverAddr));</span><br><span class="line"> m_serverAddr.sin_family = AF_INET;</span><br><span class="line"> m_serverAddr.sin_addr.s_addr = <span class="built_in">htonl</span>(INADDR_ANY);</span><br><span class="line"> m_serverAddr.sin_port = <span class="built_in">htons</span>(port);</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">bind</span>(m_sock, (sockaddr*)&m_serverAddr, <span class="built_in">sizeof</span>(m_serverAddr)) == SOCKET_ERROR)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 监听套接字</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Listen</span><span class="params">(<span class="type">int</span> backlog)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">listen</span>(m_sock, backlog) == SOCKET_ERROR)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 接受客户端的连接</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Accept</span><span class="params">(Socket& client)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="type">int</span> addrLen = <span class="built_in">sizeof</span>(m_clientAddr);</span><br><span class="line"> client.m_sock = <span class="built_in">accept</span>(m_sock, (sockaddr*)&m_clientAddr, &addrLen);</span><br><span class="line"> <span class="keyword">if</span> (client.m_sock == INVALID_SOCKET)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 接收数据</span></span><br><span class="line"> <span class="function"><span class="type">int</span> <span class="title">Receive</span><span class="params">(<span class="type">char</span>* buffer, <span class="type">int</span> len)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">return</span> <span class="built_in">recv</span>(m_sock, buffer, len, <span class="number">0</span>);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送数据</span></span><br><span class="line"> <span class="function"><span class="type">int</span> <span class="title">Send</span><span class="params">(<span class="type">const</span> <span class="type">char</span>* buffer, <span class="type">int</span> len)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">return</span> <span class="built_in">send</span>(m_sock, buffer, len, <span class="number">0</span>);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 关闭套接字</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Close</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="built_in">closesocket</span>(m_sock);</span><br><span class="line"> m_sock = INVALID_SOCKET;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 清理 WinSock 库</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Cleanup</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="built_in">WSACleanup</span>();</span><br><span class="line"> }</span><br><span class="line">};</span><br><span class="line"></span><br><span class="line"><span class="comment">// 定义一个 RemoteDesktopServer 类,用于提供远程桌面服务</span></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">RemoteDesktopServer</span></span><br><span class="line">{</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> Socket m_socket; <span class="comment">// 用于网络通信的套接字</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span>:</span><br><span class="line"> <span class="comment">// 初始化远程桌面服务器</span></span><br><span class="line"> <span class="function"><span class="type">bool</span> <span class="title">Init</span><span class="params">(<span class="type">unsigned</span> <span class="type">short</span> port)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Init</span>())</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Create</span>(AF_INET, SOCK_STREAM, IPPROTO_TCP))</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Bind</span>(port))</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Listen</span>(<span class="number">10</span>))</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 运行远程桌面服务器</span></span><br><span class="line"> <span class="function"><span class="type">void</span> <span class="title">Run</span><span class="params">()</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 不断循环,接受客户端的连接</span></span><br><span class="line"> <span class="keyword">while</span> (<span class="literal">true</span>)</span><br><span class="line"> {</span><br><span class="line"> Socket client;</span><br><span class="line"> <span class="keyword">if</span> (!m_socket.<span class="built_in">Accept</span>(client))</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">continue</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 为客户端创建一个线程,用于处理客户端的请求</span></span><br><span class="line"> HANDLE hThread = <span class="built_in">CreateThread</span>(<span class="literal">NULL</span>, <span class="number">0</span>, ClientThreadProc, &client, <span class="number">0</span>, <span class="literal">NULL</span>);</span><br><span class="line"> <span class="keyword">if</span> (hThread == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> client.<span class="built_in">Close</span>();</span><br><span class="line"> <span class="keyword">continue</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="built_in">CloseHandle</span>(hThread);</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> <span class="comment">// 客户端线程的回调函数,用于处理客户端的请求</span></span><br><span class="line"> <span class="function"><span class="type">static</span> DWORD WINAPI <span class="title">ClientThreadProc</span><span class="params">(LPVOID lpParam)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> Socket* pClient = (Socket*)lpParam;</span><br><span class="line"> <span class="comment">// 不断循环,处理客户端的请求</span></span><br><span class="line"> <span class="keyword">while</span> (<span class="literal">true</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="comment">// 接收客户端的命令</span></span><br><span class="line"> <span class="type">char</span> cmd[<span class="number">256</span>];</span><br><span class="line"> <span class="type">int</span> len = pClient-><span class="built_in">Receive</span>(cmd, <span class="built_in">sizeof</span>(cmd));</span><br><span class="line"> <span class="keyword">if</span> (len <= <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">break</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 根据命令类型执行相应的操作</span></span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">strcmp</span>(cmd, <span class="string">"screenshot"</span>) == <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="comment">// 处理屏幕截图请求</span></span><br><span class="line"> <span class="built_in">HandleScreenshotRequest</span>(*pClient);</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">else</span> <span class="keyword">if</span> (<span class="built_in">strcmp</span>(cmd, <span class="string">"mouse move"</span>) == <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="comment">// 处理鼠标移动请求</span></span><br><span class="line"> <span class="type">int</span> x, y;</span><br><span class="line"> pClient-><span class="built_in">Receive</span>((<span class="type">char</span>*)&x, <span class="built_in">sizeof</span>(x));</span><br><span class="line"> pClient-><span class="built_in">Receive</span>((<span class="type">char</span>*)&y, <span class="built_in">sizeof</span>(y));</span><br><span class="line"> <span class="built_in">HandleMouseMoveRequest</span>(x, y);</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">else</span> <span class="keyword">if</span> (<span class="built_in">strcmp</span>(cmd, <span class="string">"mouse click"</span>) == <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="comment">// 处理鼠标单击请求</span></span><br><span class="line"> <span class="type">int</span> x, y;</span><br><span class="line"> pClient-><span class="built_in">Receive</span>((<span class="type">char</span>*)&x, <span class="built_in">sizeof</span>(x));</span><br><span class="line"> pClient-><span class="built_in">Receive</span>((<span class="type">char</span>*)&y, <span class="built_in">sizeof</span>(y));</span><br><span class="line"> <span class="built_in">HandleMouseClickRequest</span>(x, y);</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">else</span> <span class="keyword">if</span> (<span class="built_in">strcmp</span>(cmd, <span class="string">"key input"</span>) == <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="comment">// 处理键盘输入请求</span></span><br><span class="line"> <span class="type">char</span> key;</span><br><span class="line"> pClient-><span class="built_in">Receive</span>(&key, <span class="built_in">sizeof</span>(key));</span><br><span class="line"> <span class="built_in">HandleKeyInputRequest</span>(key);</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">else</span></span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">break</span>;</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 关闭客户端的套接字</span></span><br><span class="line"> pClient-><span class="built_in">Close</span>();</span><br><span class="line"> <span class="keyword">delete</span> pClient;</span><br><span class="line"> <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 处理屏幕截图请求</span></span><br><span class="line"> <span class="function"><span class="type">static</span> <span class="type">void</span> <span class="title">HandleScreenshotRequest</span><span class="params">(Socket& client)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 获取屏幕的宽高</span></span><br><span class="line"> <span class="type">int</span> width = <span class="built_in">GetSystemMetrics</span>(SM_CXSCREEN);</span><br><span class="line"> <span class="type">int</span> height = <span class="built_in">GetSystemMetrics</span>(SM_CYSCREEN);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 创建内存 DC</span></span><br><span class="line"> HDC hdcMem = <span class="built_in">CreateCompatibleDC</span>(<span class="literal">NULL</span>);</span><br><span class="line"> <span class="keyword">if</span> (hdcMem == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 创建位图</span></span><br><span class="line"> HBITMAP hbm = <span class="built_in">CreateCompatibleBitmap</span>(<span class="built_in">GetDC</span>(<span class="literal">NULL</span>), width, height);</span><br><span class="line"> <span class="keyword">if</span> (hbm == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将位图选入内存 DC</span></span><br><span class="line"> HBITMAP hbmOld = (HBITMAP)<span class="built_in">SelectObject</span>(hdcMem, hbm);</span><br><span class="line"> <span class="keyword">if</span> (hbmOld == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbm);</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将屏幕拷贝到内存 DC</span></span><br><span class="line"> <span class="keyword">if</span> (!<span class="built_in">BitBlt</span>(hdcMem, <span class="number">0</span>, <span class="number">0</span>, width, height, <span class="built_in">GetDC</span>(<span class="literal">NULL</span>), <span class="number">0</span>, <span class="number">0</span>, SRCCOPY))</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">SelectObject</span>(hdcMem, hbmOld);</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbm);</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将内存 DC 的图像保存到缓冲区</span></span><br><span class="line"> BITMAPINFOHEADER bih;</span><br><span class="line"> <span class="built_in">memset</span>(&bih, <span class="number">0</span>, <span class="built_in">sizeof</span>(bih));</span><br><span class="line"> bih.biSize = <span class="built_in">sizeof</span>(bih);</span><br><span class="line"> bih.biWidth = width;</span><br><span class="line"> bih.biHeight = -height;</span><br><span class="line"> bih.biPlanes = <span class="number">1</span>;</span><br><span class="line"> bih.biBitCount = <span class="number">24</span>;</span><br><span class="line"> bih.biCompression = BI_RGB;</span><br><span class="line"> BYTE* pBuf = <span class="literal">NULL</span>;</span><br><span class="line"> HBITMAP hbmDib = <span class="built_in">CreateDIBSection</span>(hdcMem, (BITMAPINFO*)&bih, DIB_RGB_COLORS, (<span class="type">void</span>**)&pBuf, <span class="literal">NULL</span>, <span class="number">0</span>);</span><br><span class="line"> <span class="keyword">if</span> (hbmDib == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">SelectObject</span>(hdcMem, hbmOld);</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbm);</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 将内存 DC 的图像复制到位图中</span></span><br><span class="line"> <span class="keyword">if</span> (!<span class="built_in">SelectObject</span>(hdcMem, hbmDib))</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbmDib);</span><br><span class="line"> <span class="built_in">SelectObject</span>(hdcMem, hbmOld);</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbm);</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 将位图的图像转换为 JPEG 格式并发送到客户端</span></span><br><span class="line"> <span class="keyword">if</span> (!<span class="built_in">SendScreenshot</span>(client, pBuf, width, height))</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbmDib);</span><br><span class="line"> <span class="built_in">SelectObject</span>(hdcMem, hbmOld);</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbm);</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 清理资源</span></span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbmDib);</span><br><span class="line"> <span class="built_in">SelectObject</span>(hdcMem, hbmOld);</span><br><span class="line"> <span class="built_in">DeleteObject</span>(hbm);</span><br><span class="line"> <span class="built_in">DeleteDC</span>(hdcMem);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将位图的图像转换为 JPEG 格式并发送到客户端</span></span><br><span class="line"> <span class="function"><span class="type">static</span> <span class="type">bool</span> <span class="title">SendScreenshot</span><span class="params">(Socket& client, BYTE* pBuf, <span class="type">int</span> width, <span class="type">int</span> height)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 初始化 GDI+</span></span><br><span class="line"> GdiplusStartupInput gdiplusStartupInput;</span><br><span class="line"> ULONG_PTR gdiplusToken;</span><br><span class="line"> <span class="built_in">GdiplusStartup</span>(&gdiplusToken, &gdiplusStartupInput, <span class="literal">NULL</span>);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将位图的图像转换为 JPEG 格式</span></span><br><span class="line"> <span class="function">Bitmap <span class="title">bmp</span><span class="params">(width, height, width * <span class="number">3</span>, PixelFormat24bppRGB, pBuf)</span></span>;</span><br><span class="line"> CLSID clsid;</span><br><span class="line"> <span class="built_in">GetEncoderClsid</span>(<span class="string">L"image/jpeg"</span>, &clsid);</span><br><span class="line"> IStream* pStream = <span class="literal">NULL</span>;</span><br><span class="line"> bmp.<span class="built_in">Save</span>(<span class="string">L"screenshot.jpg"</span>, &clsid, <span class="literal">NULL</span>);</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">CreateStreamOnHGlobal</span>(<span class="literal">NULL</span>, TRUE, &pStream) != S_OK)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> bmp.<span class="built_in">Save</span>(pStream, &clsid, <span class="literal">NULL</span>);</span><br><span class="line"> HGLOBAL hGlobal = <span class="literal">NULL</span>; <span class="comment">// 修改为 HGLOBAL 类型</span></span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">GetHGlobalFromStream</span>(pStream, &hGlobal) != S_OK) <span class="comment">// 修改为 HGLOBAL 类型</span></span><br><span class="line"> {</span><br><span class="line"> pStream-><span class="built_in">Release</span>();</span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> ULONG cbSize = <span class="built_in">GlobalSize</span>(hGlobal); <span class="comment">// 修改为 HGLOBAL 类型</span></span><br><span class="line"> BYTE* pJpegBuf = (BYTE*)<span class="built_in">GlobalLock</span>(hGlobal); <span class="comment">// 修改为 HGLOBAL 类型</span></span><br><span class="line"> <span class="keyword">if</span> (pJpegBuf == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> pStream-><span class="built_in">Release</span>();</span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> LARGE_INTEGER li;</span><br><span class="line"> li.QuadPart = <span class="number">0</span>;</span><br><span class="line"> <span class="keyword">if</span> (pStream-><span class="built_in">Seek</span>(li, STREAM_SEEK_SET, <span class="literal">NULL</span>) != S_OK)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">GlobalFree</span>(pJpegBuf);</span><br><span class="line"> pStream-><span class="built_in">Release</span>();</span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">if</span> (pStream-><span class="built_in">Read</span>(pJpegBuf, cbSize, <span class="literal">NULL</span>) != S_OK)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">GlobalFree</span>(pJpegBuf);</span><br><span class="line"> pStream-><span class="built_in">Release</span>();</span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"> pStream-><span class="built_in">Release</span>();</span><br><span class="line"> <span class="built_in">GdiplusShutdown</span>(gdiplusToken);</span><br><span class="line"> <span class="comment">// 将 JPEG 数据的长度发送到客户端</span></span><br><span class="line"> <span class="keyword">if</span> (client.<span class="built_in">Send</span>((<span class="type">char</span>*)&cbSize, <span class="built_in">sizeof</span>(cbSize)) <= <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">GlobalFree</span>(pJpegBuf);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 将 JPEG 数据发送到客户端</span></span><br><span class="line"> <span class="keyword">if</span> (client.<span class="built_in">Send</span>((<span class="type">char</span>*)pJpegBuf, cbSize) <= <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="built_in">GlobalFree</span>(pJpegBuf);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 清理资源</span></span><br><span class="line"> <span class="built_in">GlobalFree</span>(pJpegBuf);</span><br><span class="line"> <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 获取图像编码器的 CLSID</span></span><br><span class="line"> <span class="function"><span class="type">static</span> <span class="type">void</span> <span class="title">GetEncoderClsid</span><span class="params">(<span class="type">const</span> WCHAR* format, CLSID* pClsid)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> UINT num = <span class="number">0</span>, size = <span class="number">0</span>;</span><br><span class="line"> <span class="built_in">GetImageEncodersSize</span>(&num, &size);</span><br><span class="line"> <span class="keyword">if</span> (size == <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"> ImageCodecInfo* pImageCodecInfo = (ImageCodecInfo*)<span class="built_in">malloc</span>(size);</span><br><span class="line"> <span class="keyword">if</span> (pImageCodecInfo == <span class="literal">NULL</span>)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"> <span class="built_in">GetImageEncoders</span>(num, size, pImageCodecInfo);</span><br><span class="line"> <span class="keyword">for</span> (UINT i = <span class="number">0</span>; i < num; ++i)</span><br><span class="line"> {</span><br><span class="line"> <span class="keyword">if</span> (<span class="built_in">wcscmp</span>(pImageCodecInfo[i].MimeType, format) == <span class="number">0</span>)</span><br><span class="line"> {</span><br><span class="line"> *pClsid = pImageCodecInfo[i].Clsid;</span><br><span class="line"> <span class="built_in">free</span>(pImageCodecInfo);</span><br><span class="line"> <span class="keyword">return</span>;</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> <span class="built_in">free</span>(pImageCodecInfo);</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 处理鼠标移动请求</span></span><br><span class="line"> <span class="function"><span class="type">static</span> <span class="type">void</span> <span class="title">HandleMouseMoveRequest</span><span class="params">(<span class="type">int</span> x, <span class="type">int</span> y)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 获取屏幕的宽高</span></span><br><span class="line"> <span class="type">int</span> width = <span class="built_in">GetSystemMetrics</span>(SM_CXSCREEN);</span><br><span class="line"> <span class="type">int</span> height = <span class="built_in">GetSystemMetrics</span>(SM_CYSCREEN);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 计算相对于屏幕的坐标</span></span><br><span class="line"> <span class="type">double</span> fx = (<span class="type">double</span>)x / <span class="number">65535.0</span>;</span><br><span class="line"> <span class="comment">// 移动鼠标</span></span><br><span class="line"> <span class="built_in">SetCursorPos</span>(x, y);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 处理鼠标单击请求</span></span><br><span class="line"> <span class="function"><span class="type">static</span> <span class="type">void</span> <span class="title">HandleMouseClickRequest</span><span class="params">(<span class="type">int</span> x, <span class="type">int</span> y)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 获取屏幕的宽高</span></span><br><span class="line"> <span class="type">int</span> width = <span class="built_in">GetSystemMetrics</span>(SM_CXSCREEN);</span><br><span class="line"> <span class="type">int</span> height = <span class="built_in">GetSystemMetrics</span>(SM_CYSCREEN);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 计算相对于屏幕的坐标</span></span><br><span class="line"> <span class="type">double</span> fx = (<span class="type">double</span>)x / <span class="number">65535.0</span>;</span><br><span class="line"> <span class="type">double</span> fy = (<span class="type">double</span>)y / <span class="number">65535.0</span>;</span><br><span class="line"> <span class="type">int</span> cx = (<span class="type">int</span>)(fx * width);</span><br><span class="line"> <span class="type">int</span> cy = (<span class="type">int</span>)(fy * height);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 移动鼠标</span></span><br><span class="line"> <span class="built_in">SetCursorPos</span>(cx, cy);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送鼠标左键单击消息</span></span><br><span class="line"> INPUT input;</span><br><span class="line"> <span class="built_in">memset</span>(&input, <span class="number">0</span>, <span class="built_in">sizeof</span>(input));</span><br><span class="line"> input.type = INPUT_MOUSE;</span><br><span class="line"> input.mi.dwFlags = MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_LEFTUP;</span><br><span class="line"> <span class="built_in">SendInput</span>(<span class="number">1</span>, &input, <span class="built_in">sizeof</span>(input));</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 处理键盘输入请求</span></span><br><span class="line"> <span class="function"><span class="type">static</span> <span class="type">void</span> <span class="title">HandleKeyInputRequest</span><span class="params">(<span class="type">char</span> key)</span></span></span><br><span class="line"><span class="function"> </span>{</span><br><span class="line"> <span class="comment">// 获取键盘的输入模式</span></span><br><span class="line"> HKL layout = <span class="built_in">GetKeyboardLayout</span>(<span class="number">0</span>);</span><br><span class="line"> UINT vk = <span class="built_in">MapVirtualKeyExA</span>(<span class="built_in">VkKeyScanExA</span>(key, layout), <span class="number">0</span>, layout);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 发送键盘输入消息</span></span><br><span class="line"> INPUT input;</span><br><span class="line"> <span class="built_in">memset</span>(&input, <span class="number">0</span>, <span class="built_in">sizeof</span>(input));</span><br><span class="line"> input.type = INPUT_KEYBOARD;</span><br><span class="line"> input.ki.wVk = vk;</span><br><span class="line"> <span class="built_in">SendInput</span>(<span class="number">1</span>, &input, <span class="built_in">sizeof</span>(input));</span><br><span class="line"> }</span><br><span class="line"><span class="keyword">private</span>:</span><br><span class="line"> Socket m_socket; <span class="comment">// 监听套接字</span></span><br><span class="line">};</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="type">int</span> <span class="title">main</span><span class="params">()</span></span></span><br><span class="line"><span class="function"></span>{</span><br><span class="line"> RemoteDesktopServer server;</span><br><span class="line"> <span class="keyword">if</span> (!server.<span class="built_in">Init</span>(<span class="number">5555</span>))</span><br><span class="line"> {</span><br><span class="line"> cout<<<span class="string">"启动服务器失败!"</span><<endl;</span><br><span class="line"> <span class="keyword">return</span> <span class="number">1</span>;</span><br><span class="line"> }</span><br><span class="line"> server.<span class="built_in">Run</span>();</span><br><span class="line"> <span class="keyword">return</span> <span class="number">0</span>;</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"></span><br></pre></td></tr></table></figure></p>
<p>希望这些代码能帮到你!</p>