绘制基本图形实例 ................\Debug ................\.....\glut1.exe ................\.....\glut1.ilk ................\.....\glut1.obj ................\.....\glut1.pch ................\.....\glut1.pdb ................\.....\vc60.idb ................\.....\vc60.pdb ................\glut1.cpp ................\glut1.dsp ................\glut1.dsw ................\glut1.ncb ................\glut1.opt ................\glut1.plg