private static String toHex(byte[] ary) {
final String hex = "0123456789ABCDEF";
String ret = "";
for (int i = 0; i < ary.length; i++) {
ret += hex.charAt((ary[i] >> 4) & 0xf);
ret += hex.charAt(ary[i] & 0xf);
}
return ret;
}
转载于:https://my.oschina.net/fengcunhan/blog/163529