HEX格式数据转换成十六进制字符串

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 1 /**

 * Hex格式数据转换成十六进制字符串

 * @param src

 */

public void bytesToHexString(byte[] by){ 
      StringBuilder stringBuilder = new StringBuilder(""); 
      for (int i = 0; i < by.length; i++) { 
           int in = by[i] & 0xFF; 
           String str= Integer.toHexString(in); 
           if (str.length() < 2) { 
               stringBuilder.append(0); 
           } 
           stringBuilder.append(str); 
      } 
      System.out.println(stringBuilder.toString()); 
}