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说明：  非常有用的C原代码,可供大家学习参考,我也是初学者(very useful original C code, you can learn reference, I also beginners)

自己编写的Access数据库 库存查询系统 编译器vs2005.MFC类库。 查询功能分解详细，大部分索引使用下拉菜单设计，自动搜索数据库添加相应内容，方便查询，免去按键手动添加...,数据添加方便，适用于Excel整体导入，方便维护。 库存查询-按enter自动查询所有库存及按索引查询 出库跟踪-按enter自动查询所有借用信息及按索引查询 借还操作-借用及归还操作 数据库维护-添加删除修改及excel数据整体导入 借用权限设定-借用人员信息添加(Access database inventory query compiler vs2005.MFC write your own class library. Query function decomposition in detail, most of the index using the drop-down menu design, automatically search the database to add the appropriate content, easy access, remove the keys manually add ... data add convenience for Excel overall import, convenient maintenance. Stock Search- enter automatically query inventory and check out the library index tracking- enter automatically query all borrowed index query lending operation- borrowed and returned to the operating database maintenance- add overall import borrow delete modify and excel data permissions given- to borrow personnel information to add)

复数类的运用输入、输出、加、减、乘、除、模长、幅角、共轭、关系(The use of complex type input, output, add, subtract, multiply, divide, die a long, pieces of angle, conjugate, relationship)

从键盘接收字符串，并统计其中各种字符出现频率！(calculate the frequency of every sinal get from the keyboard!)

简单易行，很好玩很简单那，我都没费什么功夫(Simple and fun it is very simple)

说明：  一个很好的用VC++编写的"显示多姿多彩的动画图标"源代码.(A good written using VC++ &quot display colorful animated icons&quot source code.)

计数一个字符串中所有字符出现的频数，并全部输出(Count the number of frequency of all the characters in a string appears, and all output)

VC实现迷宫问题,用穷举法找出一条路径,用递归形式的算法求得迷宫中所有可能的通路,以方阵形式输出迷宫及其通路. (VC to achieve maze problems,and use brute-force method to find a path,using the recursive form of algorithm to seek all possible paths in the maze in order to form the output matrix and the path maze.)

动态数组应用实例。将动态数组运用于房间的计算，包括房间个数，总面积，平均面积，最大以及最小房间面积等(Dynamic array application example. Dynamic arrays used in the calculation of the room, including the room number, the total area, average size, maximum and minimum room size, etc.)

datatable 内容进行Excel输出(Excel output datatable content)