import java.io.File;public class FileTree {    public static void main(String[] args) {        printFileTree("D:\\AAAAASSOCWEBDATA",0);    }    public static void printFileTree(String driver, int level) {        File file = new File(driver);        printByLevel(file.getName(),level);        if (file.exists()) {            if(file.isDirectory()){                File[] children = file.listFiles();                for (int i = 0; i < children.length; i++) {                    printFileTree(children[i].getPath(),level+1);                }            }        }    }    public static void printByLevel(String name,int level) {        for (int i = 0; i < level; i++) {            System.out.print(" ");        }        System.out.println("|-〄"+name);    }}

结果如下 |-〄AAAAASSOCWEBDATA |-〄bom  |-〄320923198906262416   |-〄320923198906262416.jpg   |-〄81696e7ae8034cafa3d1c96d9c10f04f.jpg   |-〄f395ef2b4038442a9b97e1c54362be0c.jpg |-〄contact  |-〄t.docx |-〄video