1,java读取b3d文件,拆分为gltf和json文件
import java.io.*;
// https://www.cnblogs.com/onsummer/p/13252896.html
// byteLength = 28 + featureTableJSONByteLength + featureTableBinaryByteLength + batchTableJSONByteLength + batchTableBinaryByteLength + glb的字节长度
public class ReadB3DM {
public static void main(