https://www.baidu.com/link?url=FpsEpBlTFUquf9rMdCQ0OL-ZMqBbTKF0Z8RIDVSWpj9dWeeKJPZX1zI7mweqB8zdMVnczvbAT75xVGb_jOy3SK&wd=&eqid=a52b80c600007cf2000000025ca1c47e
《Qt5.9.4中利用QOpenGLWidget类进行opengl绘图》