Java递归目录结构

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