说明：  文中介绍了API 拦截技术的基本原理和应用框架,研究了实现拦截Windows API 函数的 一种方法,最后详细说明了利用此法实现串口通信数据拦截的步骤。
(This paper introduces the API interception technology and application of the basic principles of the framework to study the intercept Windows API function to achieve a method, and finally a detailed description of the benefit method to achieve serial communication data interception step.)