问题描述
我已经创建了一些代码,可以删除文件夹中的所有文件,但问题是,这很不错,我希望能够删除目录中的所有文件,但保留文件夹的完整性,因此我不必进入每个文件夹并删除其中的文件,这是我当前的代码:
I have create some code that deletes all the files in a folder, the issue is while this is great, I want to be able to delete all the files in a directory but leave the folders intact, so I do not have to go into each folder and delete the files in it, this is my current code :
@ViewScoped
@ManagedBean
public class Delete {
public void DeleteFiles() throws IOException {
System.out.println("Called deleteFiles");
File file = new File("D:/Documents/NetBeansProjects/printing~subversion/fileupload/web/resources/pdf/up617648/");
String[] myFiles;
if (file.isDirectory()) {
myFiles = file.list();
for (int i = 0; i < myFiles.length; i++) {
File myFile = new File(file, myFiles[i]);
System.out.println(myFile);
myFile.delete();
}
DeleteFiles2();
}
}
public void DeleteFiles2() throws IOException {
System.out.println("Called deleteFiles2");
File file = new File("D:/Documents/NetBeansProjects/printing~subversion/fileupload/Uploaded/up617648/");
String[] myFiles;
if (file.isDirectory()) {
myFiles = file.list();
for (int i = 0; i < myFiles.length; i++) {
File myFile = new File(file, myFiles[i]);
System.out.println(myFile);
myFile.delete();
}
}
}
}
如何修改代码以实现此目标?
How could I modify my code to achieve this aim?
编辑:
我更改了我的代码代码到:
I have changed my code to :
@ViewScoped
@ManagedBean
public class Delete {
public void DeleteFiles() throws IOException {
System.out.println("Called deleteFiles");
File file = new File("D:/Documents/NetBeansProjects/printing~subversion/fileupload/web/resources/pdf/");
String[] myFiles;
if (file.isDirectory()) {
myFiles = file.list();
for (int i = 0; i < myFiles.length; i++) {
File myFile = new File(file, myFiles[i]);
System.out.println(myFile);
if (!myFile.isDirectory()) {
myFile.delete();
}
}
DeleteFiles2();
}
}
文件夹,这是我的控制台:
And while this does call all the folders, this is my console:
INFO: Called deleteFiles
INFO: D:\Documents\NetBeansProjects\printing~subversion\fileupload\web\resources\pdf\cam01342
INFO: D:\Documents\NetBeansProjects\printing~subversion\fileupload\web\resources\pdf\geg00061
INFO: D:\Documents\NetBeansProjects\printing~subversion\fileupload\web\resources\pdf\null
INFO: D:\Documents\NetBeansProjects\printing~subversion\fileupload\web\resources\pdf\up617648
INFO: D:\Documents\NetBeansProjects\printing~subversion\fileupload\web\resources\pdf\up626088
INFO: Called deleteFiles2
Tt不会删除其中的文件文件夹,我该怎么办?
Tt does not delete the files inside these folders, how can I do this?
编辑3:使用递归,我现在遇到了堆栈溢出错误。
EDIT 3: Using recursion I am now getting a stack overflow error.
这是我的代码:
public void DeleteFiles() {
File file = new File("D:/Documents/NetBeansProjects/printing~subversion/fileupload/web/resources/pdf/");
System.out.println("Called deleteFiles");
if (file.isDirectory()) {
for (File f : file.listFiles()) {
DeleteFiles();
}
} else {
file.delete();
}
}
推荐答案
为什么
if (!myFile.isDirectory()) myFile.delete();
而不是
myFile.delete();
?
这篇关于如何删除目录文件而不是文件夹的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!