directx中模型添加的类，只要在main中直接添加就行了-directx add classes in the model, as long as the main added directly on the line

该项目是航空公司的一个接口项目，实现了xfile服务端接口，并且使用AOP管理实务、权限、日志、异常的统一打印。(The project is an airline's interface project that implements the xfile server interface and uses AOP management practices, permissions, logs, and exceptions for unified printing.)