JGDS文件导入/导出软件包的支撑软件包，主要用于读取gds文件中的BNT代码-JGDS document inducts/derives the software package the strut software package, mainly uses in to read takes gds in the document the BNT code

实现了c++中的strut的一个例子，通过这个例子可以了解struct的实现方法和思想-Achieved a c++ an example of the strut, through this example to understand the realization of methods and ideas struct