Junky's IT Notebook

import java.io.*;
/*
?* 遞歸刪除文件夾內與給定的文件名不符的文件和所有的文件夾
?*/
public class Test3 {
?public static void checkName(String[] filelist) {
??File file = new File("D:\\temp");
??File[] files = file.listFiles();
??boolean flag = true;
??for (int i = 0; i < files.length; i++) {
???for (int j = 0; j < filelist.length; j++) {
????if (files[i].isFile()) {
?????if (files[i].getName().equals(filelist[j])) {
??????flag = false;
??????break;
?????} else {
??????flag = true;
?????}
????} else if (files[i].isDirectory()) {
?????del(files[i]);
????}

???}
???if (flag) {
????files[i].delete();
???}
??}

?}

?private static void del(File f) {
??if (f.isFile()) {
???f.delete();
??} else if (f.isDirectory()) {
???String[] files = f.list();
???for (int i = 0; i < files.length; i++)
????del(new java.io.File(f.getAbsolutePath() + "\\" + files[i]));
???f.delete();
??}
?}