具有很简单的程序，检测IO口的通畅，里面的程序可以扩展，部分被我频闭了-Have a very simple procedure to detect the patency of IO port, which the program can be extended, some of whom I had frequent closed

面向对象程序设计与实践（1）实验指导书。 实验一 简单C＋＋程序设计 实验二 类与对象 实验三 数组与指针 实验四 继承与派生 实验五 多态性 实验六 流式IO 实验七 C＋＋程序设计应用 适合C++初学者利用此资料进行练习 -Object-oriented programming and Practice (1) experimental instructions. Experiment a simple C++ program design exp

包含多个C++源代码文件，简单的继承、结构控制、结构体运用、IO格式控制等-Source code file that contains multiple C++ simple inheritance, structure control, the use of structures, IO format control, etc.