一、效果图

二、代码

    //创建一个三维曲面对象
    Q3DSurface surface;
    surface.setFlags(surface.flags() ^ Qt::FramelessWindowHint);
    //创建数据对象
    QSurfaceDataArray *data = new QSurfaceDataArray;
    QSurfaceDataRow *dataRow1 = new QSurfaceDataRow;
    QSurfaceDataRow *dataRow2 = new QSurfaceDataRow;
    //为数据对象赋值
    *dataRow1 << QVector3D(0.0f, 0.1f, 0.5f) << QVector3D(1.0f, 0.5f, 0.5f);
    *dataRow2 << QVector3D(0.0f, 1.8f, 1.0f) << QVector3D(1.0f, 1.2f, 1.0f);
    *data << dataRow1 << dataRow2;
    //创建序列，加入数据，添加到Q3DSurface
    QSurface3DSeries *series = new QSurface3DSeries;
    series->dataProxy()->resetArray(data);
    surface.addSeries(series);
    surface.show();