读取出文件目录下指定格式的文件名称

 

package com.august.xgame.server.test;

import java.io.File;
import java.io.FilenameFilter;
import java.util.regex.Pattern;


public class FileTest
{
    public static void main(String[] args)
    {
        File path = new File("E:/test/game/src");
        search(path);
    }

    private static void search(File path)
    {
        File[] files = path.listFiles();
        if (path.getAbsoluteFile().equals("E:/test/game/src"))
        {
            listFileteredFileName(path);
        }
        for (File file : files)
        {
            if (file.isDirectory())
            {
                listFileteredFileName(file);
                search(file);
            }
        }
    }

    private static void listFileteredFileName(File file)
    {
        String[] files = file.list(new DirFile("\\w+.java"));//正则表达式
        for (String filename : files)
        {
            System.out.println(filename + "   ");
        }
    }
}

    class DirFile implements FilenameFilter
    {
        private Pattern pattern;

        public DirFile(String regex)
        {
            pattern = Pattern.compile(regex);//编译，绘制
        }

        @Override
        public boolean accept(File dir, String name)
        {
            return pattern.matcher(name).matches();
        }

    }