/*** 复制单个文件

*@paramoldPath String 原文件路径 如：c:/fqf.txt

*@paramnewPath String 复制后路径 如：f:/fqf.txt

*@returnboolean*/

public voidcopyFile(String oldPath, String newPath) {try{int bytesum = 0;int byteread = 0;

File oldfile= newFile(oldPath);if (oldfile.exists()) { //文件存在时

InputStream inStream = new FileInputStream(oldPath); //读入原文件

FileOutputStream fs = newFileOutputStream(newPath);byte[] buffer = new byte[1444];intlength;while ( (byteread = inStream.read(buffer)) != -1) {

bytesum+= byteread; //字节数 文件大小

System.out.println(bytesum);

fs.write(buffer,0, byteread);

}

inStream.close();

}

}catch(Exception e) {

System.out.println("复制单个文件操作出错");

e.printStackTrace();

}

}/*** 复制整个文件夹内容

*@paramoldPath String 原文件路径 如：c:/fqf

*@paramnewPath String 复制后路径 如：f:/fqf/ff

*@returnboolean*/

public voidcopyFolder(String oldPath, String newPath) {try{

(new File(newPath)).mkdirs(); //如果文件夹不存在 则建立新文件夹

File a=newFile(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= newFileInputStream(temp);

FileOutputStream output= new FileOutputStream(newPath + "/" +(temp.getName()).toString());byte[] b = new byte[1024 * 5];intlen;while ( (len = input.read(b)) != -1) {

output.write(b,0, len);

}

output.flush();

output.close();

input.close();

}if(temp.isDirectory()){//如果是子文件夹

copyFolder(oldPath+"/"+file[i],newPath+"/"+file[i]);

}

}

}catch(Exception e) {

System.out.println("复制整个文件夹内容操作出错");

e.printStackTrace();

}

}