getBase64Policy static method

String getBase64Policy()

Implementation

static String getBase64Policy() {
  assert(policyText.isNotEmpty);
  //进行utf8编码
  List<int> policyTextUtf8 = utf8.encode(policyText);

  //进行base64编码
  String policyBase64 = base64.encode(policyTextUtf8);
  return policyBase64;
}