Java实现遍历指定文件夹

来源：互联网发布：js本地对象内置对象编辑：程序博客网时间：2024/06/16 09:21

import java.io.File;
import java.util.ArrayList;

public class FileSystem{
    // private static ArrayList filelist = new ArrayList();

     public static void refreshFileList(String strPath) {
       ArrayList filelist = new ArrayList();
        File dir = new File(strPath);
        File[] files = dir.listFiles();
        if (files == null) {
           System.out.println(""+strPath+"文件目录不存在或者文件目录下没有文件！ ");
           return;
        }

        for (int i = 0; i < files.length; i++) {
            if (files[i].isDirectory()) {
                refreshFileList(files[i].getAbsolutePath());
            } else {
                String strFileName = files[i].getAbsolutePath().toLowerCase();
                System.out.println("文件路径："+strFileName+" --- 文件名称："+files[i].getName());
                filelist.add(files[i].getAbsolutePath());
            }
        }
    }

    public static void main(String[] args) {
        long a = System.currentTimeMillis();

        refreshFileList("E:\\javaWP\\");

        System.out.println(System.currentTimeMillis() - a);

    }
}