[英]How to save only zip files and remove other folders using java?
在這里我有Folder(Books),其中有3個子文件夾,分別為: sub1,sub2,sub3和sub1有2個文件 , sub2有3個文件 , sub3有4個文件 。 以及sub1.zip , sub2.zip和sub3.zip 。 我只想保留zip文件,並刪除Book的sub1,sub2,sub3文件夾 。 通過我的代碼,我能夠刪除sub1文件夾,sub2,sub3的所有內部文件,最后所有文件夾都變為空,然后如何刪除sub1,sub2和sub3文件夾 。
public void SaveZipFiles(File destwithouAudio) throws IOException {
File[] listOfFiles = destwithouAudio.listFiles();
for (File listOfFile : listOfFiles) {
if (listOfFile.getName().endsWith(".zip")) {
} else {
File FolderInside = new File(listOfFile.getAbsolutePath());
File[] listOfFilesInside = FolderInside.listFiles();
for (File listOfFilesInside1 : listOfFilesInside) {
File deleteFolder = new File(listOfFilesInside1.getAbsolutePath());
//System.out.println(""+listOfFilesInside[j]);
RecursiveDelete(deleteFolder);
}
}
}
}
RecursiveDelete方法代碼為:
public static void RecursiveDelete(File file) throws IOException {
if (file.isDirectory()) {
if (file.list().length == 0) {
file.delete();
System.out.println("Directory is deleted : " + file.getAbsolutePath());
} else {
String files[] = file.list();
for (String temp : files) {
File fileDelete = new File(file, temp);
RecursiveDelete(fileDelete);
}
if (file.list().length == 0) {
file.delete();
System.out.println("Directory is deleted : " + file.getAbsolutePath());
}
}
} else {
file.delete();
System.out.println("File is deleted : " + file.getAbsolutePath());
}
}
從sub1,sub2,sub3文件夾刪除所有文件后, ii需要刪除所有sub1,sub2,sub3文件夾。
在哪里更改代碼?
public void deleteDir(File dir) {
if (dir.isDirectory()) {
String[] children = dir.list();
for (int i = 0; i < children.length; i++) {
boolean success = deleteDir(new File(dir, children[i]));
if (!success) {
return false;
}
}
}
return dir.delete(); // The directory is empty now and can be deleted.
}
然后,您可能正在使用
public void SaveZipFiles(File destwithouAudio) {
File[] deletion = destwithouAudio.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return !name.endsWith(".zip");
}
});
for (File toDelete : deletion) {
deleteDir(toDelete);
}
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.