java获取windows下面的文件对象

import javax.swing.*;

import javax.swing.filechooser.FileSystemView;

import java.io.File;

FileSystemView fsv = FileSystemView.getFileSystemView();

System.out.println(fsv.getHomeDirectory());

System.out.println(fsv.getDefaultDirectory());

System.getProperties().list(System.out);

File f = fsv.getRoots()[0];

System.out.println(f.getAbsolutePath());

Icon icon = fsv.getSystemIcon(f);

System.out.println(icon.getIconHeight());

System.out.println(icon.getIconWidth());