Java copy files to another directory

Package com.util;

Import Java.io.File;
Import Java.io.FileInputStream;
Import Java.io.FileOutputStream;
Import Java.io.InputStream;

public class Testhtml {
/**
* Copy individual files
* @param oldpath String original file path such as: C:/fqf.txt
* @param NewPath String After copying the path such as: F:/fqf.txt
* @return Boolean
*/
public void CopyFile (string oldpath, String NewPath) {
try {
int bytesum = 0;
int byteread = 0;
File Oldfile = new file (OldPath);
if (oldfile.exists ()) {//File exists
InputStream instream = new FileInputStream (OldPath); Read in the original file
FileOutputStream fs = new FileOutputStream (NewPath);
byte[] buffer = new byte[1444];
int length;
while ((Byteread = instream.read (buffer))! =-1) {
Bytesum + = Byteread; Number of bytes File size
System.out.println (bytesum);
Fs.write (buffer, 0, byteread);
}
Instream.close ();
}
}
catch (Exception e) {
SYSTEM.OUT.PRINTLN ("Error copying Single file operation");
E.printstacktrace ();

}

}

/**
* Copy entire folder contents
* @param oldpath String original file path such as: C:/FQF
* @param NewPath String After copying the path such as: F:/FQF/FF
* @return Boolean
*/
public void CopyFolder (string oldpath, String NewPath) {

try {
(New File (NewPath)). Mkdirs (); Create a new folder if the folder does not exist
File A=new file (OldPath);
String[] File=a.list ();
File Temp=null;
for (int i = 0; i < file.length; i++) {
if (Oldpath.endswith (File.separator)) {
Temp=new File (Oldpath+file[i]);
}
else{
Temp=new File (Oldpath+file.separator+file[i]);
}

if (Temp.isfile ()) {
FileInputStream input = new FileInputStream (temp);
FileOutputStream output = new FileOutputStream (NewPath + "/" +
(Temp.getname ()). ToString ());
Byte[] B = New byte[1024 * 5];
int Len;
while (len = Input.read (b))! =-1) {
Output.write (b, 0, Len);
}
Output.flush ();
Output.close ();
Input.close ();
}
if (Temp.isdirectory ()) {//If it is a subfolder
CopyFolder (oldpath+ "/" +file[i],newpath+ "/" +file[i] ");
}
}
}
catch (Exception e) {
SYSTEM.OUT.PRINTLN ("Error copying entire folder contents operation");
E.printstacktrace ();

}

}
public static void Main (string[] args) throws Exception {
////This is your source file, which itself is present
//file beforefile = new File (" C:/users/administrator/desktop/untitled-2.html ");
//
////This is the file you want to save, it's custom, it doesn't exist
//file afterfile = new File ("c:/users/administrator/desktop/jiekou0/ Untitled-2.html "); The
//
////defines the file input stream that is used to read the Beforefile file
//fileinputstream fis = new FileInputStream (beforefile);
The
////defines the file output stream, which is used to write information to the Afterfile file
//fileoutputstream fos = new FileOutputStream (afterfile);

////file buffer
//byte[] b = new byte[1024];
Read the file stream information to the file buffer, if the reading result is not 1 means that the file is not read, and the reverse has been read
//while (Fis.read (b)!=-1) {
////write the contents of the buffer in the Afterfile file
//fos.write (b);
//fos.flush ();
//}
String oldpath= "c:/users/administrator/desktop/untitled-2.html";
String newpath= "c:/users/administrator/desktop/jiekou0/untitled-2.html";
testhtml t=new testhtml ();
T.copyfile (OldPath, NewPath);


}
}

Referenced from: http://zhidao.baidu.com/link?url=83SQQKvuLR1aiA_QPPLE7K_ Tfzkiapkuqjfalts6ahvcvtxokzmnayuwrmqkytobqkrjuczjwvpxuqbp1fttyk

Http://www.educity.cn/wenda/214981.html these two

Java copy files to another directory