directorylist.java

来自「Java案例开发集锦,里面提供了很好的学习例子」· Java 代码 · 共 37 行

/**
 * 本案例使用File类的list()方法，实现了目录的列表显示。
 */

import java.io.*;

public class DirectoryList {
    public static void main(String[] args) {
        try {
            File path = new File(".");
            String[] myList;
            if (args.length == 0)
                myList = path.list();
            else
                myList = path.list(new DirectoryFilter(args[0]));
            for (int i = 0; i < myList.length; i++)
                System.out.println(myList[i]);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

class DirectoryFilter implements FilenameFilter {
    String myString;

    DirectoryFilter(String myString) {
        this.myString = myString;
    }

    public boolean accept(File dir, String name) {
        //去除所有路径信息
        String f = new File(name).getName();
        return f.indexOf(myString) != -1;
    }
}