用于快速查找某个目录下的文件和文件夹，当该文件是文件夹时，显示其下面所有的文件名，并且是带路径的，当为文件时，显示其文件名，也是带路径的。-For fast search of a directory of files and folders, when the document is a folder, show the following all of the file name, and is intended to bring the path, when for the documen