randomString static method

String randomString(
  1. int length
)

生成指定长度或随机长度的随机字符串

Implementation

static String randomString(int length) {
  if (length <= 0) {
    return "";
  }
  var codeUnits = List.generate(length, (index) {
    return _random.nextInt(33) + 89;
  });

  return String.fromCharCodes(codeUnits);
}