以vc++ 6.0为平台，建立MFC程序，实现OPenGL加载obj文件，并实现图形的旋转，移动，缩放，鼠标左键旋转，右键移动，中键缩放-To vc++ 6.0 as a platform to create the MFC program to achieve OPenGL load obj files, and graphics to achieve the rotation, moving, scaling, rotating the left mouse button, right mo