if (p[0] == '#') //if(in.eof()) { char reply[] = "抱歉，这个问题我不知道，您可以为我解答，或等待人工服务"; int k = send(*clientSock, reply, sizeof(reply), 0); int receByt = recv(*clientSock, recvbuf, sizeof(recvbuf), 0); if (receByt > 0 && (strcmp(recvbuf, "可以") == 0 || strcmp(recvbuf, "好的") == 0)) { char reply2[] = "请输入你的答案："; k = send(*clientSock, reply2, sizeof(reply2), 0); if (k < 0) { cout << "发送失败！" << endl; } receByt = recv(*clientSock, recvbuf, sizeof(recvbuf), 0); if (receByt > 0) { out << "Q:" << recvbuf << endl;//写入文件 } out << "A:" << recvbuf << endl; } in.clear(); streampos sp = in.tellg(); in.seekg(-sp, ios::cur); break; } 修改以上代码，使客户所问的问题能写入txt里

可以这样修改代码：

if (p[0] == '#') {
    // ...
    if (receByt > 0 && (strcmp(recvbuf, "可以") == 0 || strcmp(recvbuf, "好的") == 0)) {
        char reply2[] = "请输入你的答案：";
        k = send(*clientSock, reply2, sizeof(reply2), 0);
        if (k < 0) {
            cout << "发送失败！" << endl;
        }
        receByt = recv(*clientSock, recvbuf, sizeof(recvbuf), 0);
        if (receByt > 0) {
            out << "Q:" << recvbuf << endl; // 写入文件
        }
        char reply3[] = "谢谢您为我解答问题！";
        k = send(*clientSock, reply3, sizeof(reply3), 0);
        if (k < 0) {
            cout << "发送失败！" << endl;
        }
    }
    in.clear();
    streampos sp = in.tellg();
    in.seekg(-sp, ios::cur);
    out.close(); // 关闭文件
    break;
}

这样，当客户回答“可以”或“好的”时，程序会提示客户输入答案，并将客户输入的问题写入文件中。同时，程序会发送一条感谢客户的消息。最后，程序会关闭文件，以确保写入数据已经保存。