base64ToNum static method

num? base64ToNum(
  1. String str
)

Base64转数字

Implementation

static num? base64ToNum(String str) {
  try {
    final bytes = base64.decode(str);
    final s = utf8.decode(bytes);
    return double.tryParse(s) ?? int.tryParse(s);
  } catch (e) {
    return null;
  }
}