GetPysicalDriveSerialNuk

windows文件操作，文件移动、删除操作(windows file operations, file move, delete operation)

这是点云库学习pcl里面的程序中所提到的pcd格式的文件。(point cloud pcd)

一个有借鉴意义的EXCEL格式读写操作的实例。(A reference to the EXCEL format reading and writing operations examples.)

VC++应用excel导入导出，方便实现(VC++ excel)

首先通过文件操作，读取文件内容，把字符逐个提取后统计字符频率，建立哈夫曼树和进行哈夫曼编码，当然这是根据ASCII编码来将字符转换为二进制，然后实现前缀编码，然后把编码后的使用二进制流写入相应文件(First through file operations, read the file content, the characters one by one after extracting character frequency statistics, establish a Huffman tree and Huffman encoding, and, of course, this is according to ASCII code to convert characters to the binary, then realize the prefix encoding, and then the encoded using binary stream into the corresponding files )

读取行情的def文件的例子，并保存到数据库了，包含了两个行情数据库，上海和深圳的。(Quotes of the def file to read the example, and saved to the database, and contains two Quotes databases, Shanghai and Shenzhen.)

监控文件夹变化的库，该功能封装在一个dll库中，方便调用。(monitor the change of the directory)

一个打包工具，从电脑的任意盘选择一些file，将内容写入一个自定义的file中并存入自定义的地方(A packaged tool, select some file any disk from the computer to write the contents of a custom file and stored in a custom place)

说明：  一个文件的打开,怎样在word里进行读和写(Open a document and how to read and write in the word)

把名为GDP的文件中的各项内容提取出来，即读字符，然后在屏幕上整齐排列输出(The GDP of the file name of the content is extracted, that is, reading characters, and then neatly arranged on the screen output)