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| package com.whyc.util;
|
| public class ComFn {
| public static String bytesToHexString(byte[] src, int len){
| StringBuilder stringBuilder = new StringBuilder("");
| if (src == null || len <= 0) {
| return null;
| }
| for (int i = 0; i < len; i++) {
| int v = src[i] & 0xFF;
| String hv = Integer.toHexString(v).toUpperCase();
| if (hv.length() < 2) {
| stringBuilder.append(0);
| }
| stringBuilder.append(hv + " ");
| }
| return stringBuilder.toString();
| }
| }
|
|
