java获取目录下文件名称

package test;import java.io.*;import java.util.*;import org.apache.log4j.Logger;/** * 读取目录及子目录下指定文件名的路径, 返回一个List */public class FileViewer {private static Logger logger = Logger.getLogger(FileViewer.class);/** * @param path *            文件路径 * @param suffix *            后缀名, 为空则表示所有文件 * @param isdepth *            是否遍历子目录 * @return list */public static List<String> getListFiles(String path, String suffix,boolean isdepth) {List<String> lstFileNames = new ArrayList<String>();File file = new File(path);return FileViewer.listFile(lstFileNames, file, suffix, isdepth);}private static List<String> listFile(List<String> lstFileNames, File f,String suffix, boolean isdepth) {// 若是目录, 采用递归的方法遍历子目录if (f.isDirectory()) {File[] t = f.listFiles();for (int i = 0; i < t.length; i++) {if (isdepth || t[i].isFile()) {listFile(lstFileNames, t[i], suffix, isdepth);}}} else {String filePath = f.getAbsolutePath();if (!suffix.equals("")) {int begIndex = filePath.lastIndexOf("."); // 最后一个.(即后缀名前面的.)的索引String tempsuffix = "";if (begIndex != -1) {tempsuffix = filePath.substring(begIndex + 1, filePath.length());if (tempsuffix.equals(suffix)) {lstFileNames.add(filePath);}}} else {lstFileNames.add(filePath);}}return lstFileNames;}public static void main(String[] args) {List<String> list = getListFiles("E:\\mulejar","",true);System.out.println(list.size());System.out.println(list);}}