AI时代工程师能力进化：从编码到架构思维跃迁
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int cserialthread2::sendATCommand(const QByteArray &cmd, int timeoutMs){if (!m_isRunning){qWarning()<<"串口线程未运行";return -1;}CommandRequest request;request.cmd = cmd; if(request.cmd.indexOf("\\r\\n"qt之ui线程中基于QEventLoop实现同步但不阻塞ui效果代码示例