assimp可以用来读取相当多种模型格式，用它来做格式转换工具非常合适；最新assimp 的windows版本，cmake出来的； 支持的图形格式为： Autodesk ( .fbx ) Collada ( .dae ) glTF ( .gltf, .glb ) Blender 3D ( .blend ) 3ds Max 3DS ( .3ds ) 3ds Max ASE ( .ase ) Wavefront Object ( .obj ) Industry Foundation Classes (IFC/Step) ( .ifc ) XGL ( .xgl,.zgl ) Stanford Polygon Library ( .ply ) *AutoCAD DXF ( .dxf ) LightWave ( .lwo ) LightWave Scene ( .lws ) Modo ( .lxo ) Stereolithography ( .stl ) DirectX X ( .x ) AC3D ( .ac ) Milkshape 3D ( .ms3d ) * TrueSpace ( .cob,.scn ) Biovision BVH ( .bvh ) * CharacterStudio Motion ( .csm ) Ogre XML ( .xml ) Irrlicht Mesh ( .irrmesh ) * Irrlicht Scene ( .irr ) Quake I ( .mdl ) Quake II ( .md2 ) Quake III Mesh ( .md3 ) Quake III Map/BSP ( .pk3 ) * Return to Castle Wolfenstein ( .mdc ) Doom 3 ( .md5* ) *Valve Model ( .smd,.vta ) *Open Game Engine Exchange ( .ogex ) *Unreal ( .3d ) BlitzBasic 3D ( .b3d ) Quick3D ( .q3d,.q3s ) Neutral File Format ( .nff ) Sense8 WorldToolKit ( .nff ) Object File Format ( .off ) PovRAY Raw ( .raw ) Terragen Terrain ( .ter ) 3D GameStudio (3DGS) ( .mdl ) 3D GameStudio (3DGS) Terrain ( .hmp ) Izware Nendo ( .ndo )