generateRandomString function

String generateRandomString()

Function for retrieve a random hexadecimal string.

Implementation

String generateRandomString() {
  Random random = Random();
  const chars = '0123456789abcdef'; // 可以根据需要修改字符集合
  String result = '';
  for (int i = 0; i < 32; i++) {
    result += chars[random.nextInt(chars.length)];
  }
  return result;
}