/**

* 把二進位制檔案轉化為位元組陣列

* @param path :path of specified file

* @return bytes[]

* @throws Exception

*/

public static byte[] toByteArrFromFile(String path) throws Exception{

File inFile = new File(path);

FileInputStream fileInputStream = new FileInputStream(inFile);

ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();

int i;

//轉化為位元組陣列流

while ((i = fileInputStream.read()) != -1) {

byteArrayOutputStream.write(i);

}

fileInputStream.close();

// 把檔案存在一個位元組陣列中

byte[] bytes = byteArrayOutputStream.toByteArray();

byteArrayOutputStream.close();

return bytes;

}