HEX格式数据转换成十六进制字符串

 1 /**
 2
 3  * Hex格式数据转换成十六进制字符串
 4
 5  * @param src
 6
 7  */
 8
 9 public void bytesToHexString(byte[] by){
10       StringBuilder stringBuilder = new StringBuilder("");
11       for (int i = 0; i < by.length; i++) {
12            int in = by[i] & 0xFF;
13            String str= Integer.toHexString(in);
14            if (str.length() < 2) {
15                stringBuilder.append(0);
16            }
17            stringBuilder.append(str);
18       }
19       System.out.println(stringBuilder.toString());
20 }