java复制文件，文件夹，以及嵌套文件夹
文件复制package file;import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* 提供java IO操作
* @author ronaldoGT
*
*/
public class IOfile {
/**
* @param args
*/
private static IOfile ioFile = new IOfile();
private static String oldUrl = "E://FunshionMedia/黑客帝国/老梁观世界-20130311.mp4";
private static String newUrl = "E://老梁观世界-20130311.mp4";
public static void main(String[] args) {
ioFile.copyFile(new File(oldUrl),new File(newUrl));
ioFile.copyDirectory(new File("D:/html5"),"E:/");
System.out.println("ok!");
}
/**
* 复制文件夹，嵌套文件夹，以及包含的文件
* @param oldDirectory
* @param newUrl
*/
public void copyDirectory(File oldDirectory,String newUrl){
File[] f=oldDirectory.listFiles();
File file = new File(newUrl);
String url;
url = oldDirectory.getName();
newUrl += "/"+url;
file = new File(newUrl);
file.mkdir();
for(File ff:f){
if(ff.isDirectory()){
copyDirectory(ff,newUrl);
}
if(ff.isFile()){
copyFile(ff,new File(newUrl+"/"+ff.getName()));
}
}
}
/**
* 复制文件
* @param oldFile
* @param newFile
*/
public void copyFile(File oldFile,File newFile){
InputStream fis = null;
OutputStream fos = null;
try {
fis = new BufferedInputStream(new FileInputStream(oldFile));
fos = new BufferedOutputStream(new FileOutputStream(newFile));
byte[] buf = new byte;
int len ;
while((len = fis.read(buf)) != -1){
fos.write(buf, 0, len);
}
fos.flush();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
try {
fis.close();
fos.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
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