GPS地图数据中广泛应用的ILUST图解析工具，同时有大端和小端字节两种实现方式。 做这方面的朋友可以参考一下，或者有所帮助。-GPS map data in the widely used analytical tool ILUST diagram, while there are big-endian and little-endian byte two kinds of implementations. Done this kind of friends can refer to, o