该程序实现了对读取多个文件的文件路径的处理，将选中的多个文件路径显示在列表中，还实现了对某个文件夹的选择，并可将选中文件夹的路径显示在列表中-the program achieved a number of documents to read in the paper path, it will select a number of file path displayed in lists, but also to achieve a certain folder options could b