Create a folder in Java

Create a folder in Java

Package test;

Public class mulutest
{
Public static void main (string [] ARGs)
{
Mulutest = new mulutest ();
Mulutest. newfolder ("D: \ abcds ");
}
Public void newfolder (string folderpath)
{
String filepath = folderpath;
Filepath = filepath. tostring ();
Java. Io. File myfilepath = new java. Io. File (filepath );
Try
{
If (myfilepath. isdirectory ())
{
System. Out. println ("the directory isexists! ");
}
Else
{
Myfilepath. mkdir ();
System. Out. println ("directory created successfully ");
}
}
Catch (exception E)
{
System. Out. println ("Directory creation error ");
E. printstacktrace ();
}
}
}

 

Java creates folders, files, delete folders, and files

Package ifpre. Web;

 

Import gxdmif. gxstringutil;

 

Import java. Io. dataoutputstream;

Import java. Io. file;

Import java. Io. fileoutputstream;

Import java. Io. inputstream;

 

Import org. springframework. Web. multipart. multipartfile;

 

Public class SaveFile {

Public Boolean save (string path, multipartfile file) throws exception {

Gxstringutil GX = new gxstringutil ();

Boolean result = false;

File dirfile = NULL;

Try {

Dirfile = new file (PATH );

If (! (Dirfile. exists ())&&! (Dirfile. isdirectory ())){

Boolean creadok = dirfile. mkdirs ();

If (creadok ){

System. Out. println ("OK: the folder is created successfully! ");

} Else {

System. Out. println ("Err: failed to create folder! ");

}

}

} Catch (exception e ){

E. printstacktrace ();

System. Out. println (E );

Return false;

}

If (file! = NULL &&! File. isempty ()){

String fullpath = path + system. getproperty ("file. separator ")

+ Gx. netstringtogbk (file. getoriginalfilename ());

Dataoutputstream out = NULL;

Inputstream is = NULL;

Try {

Out = new dataoutputstream (New fileoutputstream (fullpath ));

Is = file. getinputstream ();

Byte [] buffer = new byte [1024];

While (is. Read (buffer)> 0 ){

Out. Write (buffer );

}

} Finally {

If (is! = NULL ){

Is. Close ();

}

If (OUT! = NULL ){

Out. Close ();

}

}

Result = true;

}

Return result;

}

 

Public Boolean Delete (string path, multipartfile file) throws exception {

Gxstringutil GX = new gxstringutil ();

Boolean result = false;

If (file! = NULL &&! File. isempty ()){

String fullpath = path + system. getproperty ("file. separator ")

+ Gx. netstringtogbk (file. getoriginalfilename ());

Try {

File file2 = new file (fullpath );

File2.delete ();

Result = true;

} Catch (exception e ){

E. printstacktrace ();

Result = false;

}

}

Return result;

}

Public Boolean deletefolder (file folder ){

Boolean result = false;

Try {

String Childs [] = folder. List ();

If (Childs = NULL | Childs. Length <= 0 ){

If (Folder. Delete ()){

Result = true;

}

} Else {

For (INT I = 0; I <Childs. length; I ++ ){

String childname = Childs [I];

String childpath =

Folder. getpath () + file. Separator + childname;

File filepath = new file (childpath );

If (filepath. exists () & filepath. isfile ()){

If (filepath. Delete ()){

Result = true;

} Else {

Result = false;

Break;

}

}

Else if (filepath. exists () & filepath. isdirectory ()){

If (deletefolder (filepath )){

Result = true;

} Else {

Result = false;

Break;

}

}

}

}

Folder. Delete ();

} Catch (exception e ){

E. printstacktrace ();

Result = false;

}

Return result;

}

}