根据文献波恩的名著《光学原理》编写的，用于计算薄膜的反射率，可以自编测试文件绘出各种反射率图，为方便使用已附了一个测试文件供参考-This program s function is to calculate a reflectivity of film, which is programmed according to the classical masterpiece of　the principle of optics　by Born.