Method myCreateProcess

utils.cpp:874–926

}

bool Utils::myCreateProcess(const std::wstring &exePath, const std::wstring &workingDir)
{
    STARTUPINFOW si = { sizeof(si) };
    PROCESS_INFORMATION pi = {};
    std::wstring cmdLine = exePath; // CreateProcess 会修改 cmdLine

    BOOL success = CreateProcessW(
                nullptr,
                &cmdLine[0],  // 可写缓冲区
            nullptr,
            nullptr,
            FALSE,
            0,
            nullptr,
            workingDir.c_str(),
            &si,
            &pi
            );

    if (!success) {
        DWORD err = GetLastError();
        LPWSTR msgBuf = nullptr;
        FormatMessageW(
                    FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
                    nullptr,
                    err,
                    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                    (LPWSTR)&msgBuf,
                    0,
                    nullptr
                    );

        // 这里改用 qWarning 输出
        qWarning().noquote()
                << QStringLiteral("CreateProcessW failed with error %1: %2")
                   .arg(err)
                   // 注意：msgBuf 是 wchar_t*；我们要转换到 QString
                   .arg(msgBuf ? QString::fromWCharArray(msgBuf).trimmed() : QStringLiteral("Unknown Error"));

        if (msgBuf)
            LocalFree(msgBuf);

        return false;
    }

    // 进程成功创建
    CloseHandle(pi.hProcess);
    CloseHandle(pi.hThread);

    qDebug().noquote()
            << QStringLiteral("CreateProcessW succeeded for: %1").arg(QString::fromWCharArray(exePath.c_str()));
    return true;
}


std::vector<cv::Point> Utils::getCircleContour(int cx, int cy, int r){