c++ 写数据到csv

    std::ofstream rgbData;
    rgbData.open("C:\\Users\\xxx\\Desktop\\data\\rgbData.csv",std::ios::out | std::ios::trunc);
    char title[10] = {"RGB"};

    rgbData << title[0] << "," << title[1] << ","<< title[2] << "," << pRgn->a[0] << "," << pRgn->a[1] << "," << pRgn->a[2] << "," << pRgn->a[3] << std::endl;
    for (uint32_t j = 0; j < rgblist[0].size(); j++)//rgblist[i].size()
    {
        rgbData << rgblist[0][j] << "," << rgblist[1][j] << ","<< rgblist[2][j] << std::endl; // change row
    }

    rgbData.close();