# Packages
No description provided by the author
# Functions
追加写入文件.
获取文件扩展名(.txt).
GetFileSize get the length in bytes of file of the specified path.
IsDir determines whether the specified path is a directory.
IsExist determines whether the file spcified by the given path is exists.
IsHidden checks whether the file specified by the given path is hidden.
No description provided by the author
读取文件.
覆盖写入.