VisioStudio 调试时,不能修改代码

VisioStudio 调试时,不能修改代码

操作步骤:

  1. 调试》选项》调试》常规中去掉“启用编辑并继续”选项;
  2. 调试》选项》调试》常规中去掉“要求源文件与原始版本完全匹配”
  3. 调试》选项》调试》常规中去掉“使用托管兼容模式”

*注意,以上三个步骤都是去掉勾选,去掉勾选、去掉勾选,重要的话说三遍
按以上解决方案,可以修改代码,但本次执行修改后代码不生效
暂未找到可执行编辑后代码的方案

在Visual Studio中创建一个C++客户端,用于通过UDP协议接收数据,你可以按照以下步骤编写代码: ```cpp #include <winsock2.h> #include <ws2tcpip.h> #include <iostream> #pragma comment(lib, "ws2_32.lib") // UDP服务器地址和端口 const char* serverAddress = "your_server_ip"; const unsigned short serverPort = 12345; class UdpClient { public: UdpClient() { // 初始化Winsock WSADATA wsaData; if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) { std::cerr << "Failed to initialize Winsock!" << std::endl; return; } socket_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); if (socket_ == INVALID_SOCKET) { std::cerr << "Failed to create socket!" << std::endl; WSACleanup(); return; } addr.sin_family = AF_INET; addr.sin_port = htons(serverPort); addr.sin_addr.S_un.S_addr = inet_addr(serverAddress); // 设置发送和接收缓冲区大小 int opt = 1; // SO_BROADCAST for broadcast packets setsockopt(socket_, SOL_SOCKET, SO_BROADCAST, (char*)&opt, sizeof(opt)); int bufsize = 1024; setsockopt(socket_, SOL_SOCKET, SO_RCVBUF, (char*)&bufsize, sizeof(bufsize)); } ~UdpClient() { closesocket(socket_); WSACleanup(); } void startReceiving() { char buffer[1024]; while (true) { const int bytes_received = recvfrom(socket_, buffer, sizeof(buffer), 0, &remoteAddr, nullptr); if (bytes_received > 0) { std::cout << "Received data from " << inet_ntoa(remoteAddr.sin_addr) << ":" << ntohs(remoteAddr.sin_port) << ": " << buffer << std::endl; } else if (bytes_received == 0) { std::cout << "Connection closed by the server." << std::endl; break; } else { std::cerr << "Error receiving data: " << WSAGetLastError() << std::endl; } } } private: SOCKET socket_; sockaddr_in addr, remoteAddr; }; int main() { UdpClient client; try { client.startReceiving(); } catch (std::exception& e) { std::cerr << "Exception caught: " << e.what() << std::endl; } return 0; }
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