读取图片最后2个字节码

public static void main(String[] args) {File file=new File("D:/preparedSource/2/12345678901420111203210722.jpg");RandomAccessFile randomfile=null;int result=0;long len;String str="";try {randomfile=new RandomAccessFile(file,"r");len=randomfile.length();randomfile.seek(len-2);while((result=randomfile.read())!=-1){str += Integer.toHexString(result & 0xff);}System.out.println(str);} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}

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