将数据库中的数据表添加到listview控件当中，同时可以学到选择文件的对话框的使用，即类似安装软件的时候浏览安装目录的那个对话框-The data in the database tables added to the listview control, which at the same time you can learn the use of the dialog box select the file, similar to when installing software insta