用MFC实现的OpenGL环境下的对OBJ文件的读取，可以对OBJ的三维模型实现移动、放缩、旋转、找相邻点、找相邻边等功能。使用DialogBar。-OBJ file with the reading of the MFC implementation of OpenGL environments, three-dimensional model can move to OBJ s, scaling, rotation, looking for adjacent dots, find adjac