/*** HEX字符串转ASCII字符* @param hex* @return*/public static String hex2ASCII(String hex) {StringBuilder sb = new StringBuilder();StringBuilder temp = new StringBuilder();// 49204c6f7665204a617661 split into two characters 49, 20, 4c...for (int i = 0; i < hex.length() - 1; i += 2) {// grab the hex in pairsString output = hex.substring(i, (i + 2));// convert hex to decimalint decimal = Integer.parseInt(output, 16);// convert the decimal to charactersb.append((char) decimal);temp.append(decimal);}return sb.toString();}