Java code Complete Delete file, folder operation

Import Java.io.File;

/**
* Delete files and directories
*
* @author Chen
*
*/
public class Deletefileutil {

/**
* Delete files, can be files or folders
*
* @param fileName
* The file name to delete
* @return Delete succeeds returns true, otherwise false
*/
public static Boolean Delete (String fileName) {
File File = new file (fileName);
if (!file.exists ()) {
System.out.println ("Delete file failed:" + fileName + "does not exist!") ");
return false;
} else {
if (File.isfile ())
return DeleteFile (FileName);
Else
return DeleteDirectory (FileName);
}
}

/**
* Delete individual files
*
* @param fileName
* filename of the file to be deleted
* @return Single File Delete successfully returns TRUE, otherwise false
*/
public static Boolean DeleteFile (String fileName) {
File File = new file (fileName);
If the file path corresponds to a file that exists and is a file, it is deleted directly
if (file.exists () && file.isfile ()) {
if (File.delete ()) {
System.out.println ("Delete single file" + FileName + "Success!") ");
return true;
} else {
System.out.println ("Delete single file" + FileName + "Failed!") ");
return false;
}
} else {
System.out.println ("Delete single file failed:" + fileName + "does not exist!") ");
return false;
}
}

/**
* Delete files in directories and directories
*
* @param dir
* The file path of the directory to be deleted
* @return Directory Delete successfully returns TRUE, otherwise false
*/
public static Boolean deletedirectory (String dir) {
If Dir does not end with a file delimiter, the file delimiter is automatically added
if (!dir.endswith (File.separator))
dir = dir + file.separator;
File Dirfile = new file (dir);
If the dir corresponding file does not exist, or is not a directory, exit
if ((!dirfile.exists ()) | | (!dirfile.isdirectory ())) {
System.out.println ("Failed to delete directory:" + dir + "does not exist!) ");
return false;
}
Boolean flag = true;
Delete all files in a folder including subdirectories
file[] files = dirfile.listfiles ();
for (int i = 0; i < files.length; i++) {
Delete sub-Files
if (Files[i].isfile ()) {
Flag = Deletefileutil.deletefile (Files[i].getabsolutepath ());
if (!flag)
Break
}
Delete subdirectories
else if (files[i].isdirectory ()) {
Flag = Deletefileutil.deletedirectory (Files[i]
. GetAbsolutePath ());
if (!flag)
Break
}
}
if (!flag) {
System.out.println ("Delete directory failed! ");
return false;
}
Delete current directory
if (Dirfile.delete ()) {
System.out.println ("delete directory" + dir + "Success!") ");
return true;
} else {
return false;
}
}

public static void Main (string[] args) {
Delete a single file
String file = "C:/test/test.txt";
Deletefileutil.deletefile (file);
System.out.println ();
Delete a directory
String dir = "C:/test";
Deletefileutil.deletedirectory (dir);
System.out.println ();
deleting files
dir = "C:/test/test0";
Deletefileutil.delete (dir);

}

}

Copy from: http://blog.csdn.net/songylwq/article/details/6106976

Java code Complete Delete file, folder operation