java将文件夹下的一个文件拷贝到另一个文件夹下

public static void copy(String file1, String file2) {

System.out.println(file1);

System.out.println(file2);

File src=new File(file1);

File dst=new File(file2);

if(!dst.exists()){

dst.mkdirs();

}

InputStream in = null;

OutputStream out = null;

//System.out.println(file1.substring(file1.lastIndexOf("/"),file1.length()));//获取单个文件的源文件的名称

try {

in = new BufferedInputStream(new FileInputStream(src), 16 * 1024);

FileOutputStream f= new FileOutputStream(dst+file1.substring(file1.lastIndexOf("/"),file1.length()));//一定要加上文件名称

out = new BufferedOutputStream(f, 16 * 1024);

byte[] buffer = new byte[16 * 1024];

int len = 0;

while ((len = in.read(buffer)) > 0) {

out.write(buffer, 0, len);

}

} catch (Exception e) {

e.printStackTrace();

} finally {

if (null != in) {

try {

in.close();

} catch (IOException e) {

e.printStackTrace();

}

}

if (null != out) {

try {

out.close();

} catch (IOException e) {

e.printStackTrace();

}

}

}

}

public static void main(String[] args) {

UploadUtil.copy("D:/data/nr/wap/infor/2016/01/050B0000562D95BC67BC3D393A08016A.jpg","D:/dnk/2016/01/");

}