遍历文件夹并建成目录树__遍历文件夹并建成目录树

模拟Pos收银机 1.收银员功能 1) 新增明细(F2 ) 2) 删除明细(F3) 3) 收银(F4) 4) 挂单(F5) 5) 取单(F6) 6) 撤单(F7) 7) 退货(F8) 8) 退出(F9) 2.管理员功能 1) 商品管理 "1:商品查询", "2:库存查询", "3:添加商品", "4:修改商品信息", "0:返回主菜单" 2) 帐户管理 "1:查询账户", "2:添加账户", "3:修改账户信息", "0:返回主菜单" 3) 销售记录查询 "1:按销售日期统计", "2:按收银员统计", "0:返回主菜单" 0) 退出 -Simulation Pos cash register 1. Cashier function 1) Add Details (F2) 2) delete the details of (F3) 3) cash register (F4) 4)挂单(F5) 5) get a single (F6) 6) cancellation (F7) 7) Return (F8) 8) exit (F9) 2. administrator function 1) commodity management

Visual C++的学习实例，可直接运行，初学者可了解Visual C++的MFC运行过程和MFC的结构等。包括COM、CWND、CFrameWnd、CView/CDocument结构-Visual C learning examples can be run directly, beginners can understand the MFC Visual C operating processes and the structure of MFC. Including COM, CWND, CFrameWnd, CView/CDocument structure etc.

域名服务器的仿真程序： 一个简单的仿真模拟程序，其中包括数据的输入、查询和删除功能，要求在该程序的基础上添加一些功能，使程序的功能更为全面，操作更加方便。-Domain Name Server simulation procedures: a simple simulation program, including data entry, query and delete functions, the requirements in the program based on the add function, the function of the process more comprehensive, more convenient operation.

常用的C与C++的一些算法,word格式.-Commonly used C and C++ some algorithms, word format.

增强功能的自己写的记事本-enhancements of the Chronicle, wrote this

解读C#中的正则表达式-interpret C# in the regular expression

采用清华TPC-1十六位微机实验台上的并行口扫描键盘控制LED显示，以制作一个时间显示系统。-used Qinghua TPC-1 16 Microcomputer Laboratory platform parallel port scanning keyboard control LED display, for the production of a time display system.

题 目 ：学分和绩点计算器 题目描述：开发一个能够自动计算适合于学生使用的所获学分和绩点的计算器。并且该绩点计算器能够保证良好的扩展性能。 -Title: credits and grade point calculator Title Description: Development of an automatic calculation is suitable for students to use the available credits and grade point calculator. And the grade point calculator can guarantee the expansion of good performance.

compress the jpeg graph, the rate may be larger than any other

更改EXE文件图表，精简的代码，效率比较高-EXE file to change the graphics, streamlined code, more efficient