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 }