如何创建瑞士二维码 V2.3？

如何创建瑞士二维码 V2.3？

以下 C# .NET 示例代码展示了如何按照瑞士 QR-bill 实施指南 2.3 版创建瑞士二维码的数据格式。

2.3 版要求使用结构化地址。因此，街道、门牌号、邮政编码和城市必须在各自独立的字段中提供。地址类型必须设置为 S。

public enum CurrencyCodes
{
  CHF,
  EUR
}

public enum ReferenceTypes
{
  NON,
  SCOR,
  QRR
}

private const string fldSep = "\n";

decimal? Amount = new decimal(99.01);
CurrencyCodes Currency = CurrencyCodes.CHF;
ReferenceTypes ReferenceType = ReferenceTypes.SCOR;

string QRIBAN       = "";
string CreditorIBAN = "CH3908704016075473007";

// Structured creditor address
string CreditorName           = "Robert Schneider AG";
string CreditorStreet         = "Rue du Lac";
string CreditorBuildingNumber = "1268";
string CreditorPostalCode     = "2501";
string CreditorTown           = "Biel";
string CreditorCountry        = "CH";

// Structured debtor address
string DebtorName           = "Max Mustermann";
string DebtorStreet         = "Musterstrasse";
string DebtorBuildingNumber = "2";
string DebtorPostalCode     = "1234";
string DebtorTown           = "Musterstadt";
string DebtorCountry        = "CH";

string QRReference       = "";
string CreditorReference = "RF18539007547034";
string Message           = "Optional";
string BillInfo          = "";
string Parameter1        = "";
string Parameter2        = "";

/// <summary>
/// Returns a data string valid for Swiss QR Code
/// according to the QR-bill Implementation Guidelines Version 2.3.
/// </summary>
/// <returns>Swiss QR Code data string</returns>
public string GetDataString()
{
  var sb = new StringBuilder();

  // Header
  sb.Append("SPC" + fldSep);

  // The data structure version remains 0200 in
  // QR-bill Implementation Guidelines Version 2.3.
  sb.Append("0200" + fldSep);
  sb.Append("1" + fldSep);

  // Creditor account
  if (ReferenceType == ReferenceTypes.QRR)
    sb.Append(QRIBAN + fldSep);
  else
    sb.Append(CreditorIBAN + fldSep);

  // Creditor: structured address
  sb.Append("S" + fldSep);
  sb.Append(CreditorName + fldSep);
  sb.Append(CreditorStreet + fldSep);
  sb.Append(CreditorBuildingNumber + fldSep);
  sb.Append(CreditorPostalCode + fldSep);
  sb.Append(CreditorTown + fldSep);
  sb.Append(CreditorCountry + fldSep);

  // Ultimate creditor: currently not used
  sb.Append(fldSep);
  sb.Append(fldSep);
  sb.Append(fldSep);
  sb.Append(fldSep);
  sb.Append(fldSep);
  sb.Append(fldSep);
  sb.Append(fldSep);

  // Amount
  if (Amount.HasValue)
  {
    sb.Append(
      Amount.Value.ToString(
        "#########.00",
        System.Globalization.CultureInfo.InvariantCulture)
      + fldSep);
  }
  else
  {
    sb.Append(fldSep);
  }

  sb.Append(Currency + fldSep);

  // Debtor: structured address
  if (string.IsNullOrEmpty(DebtorName) &&
      string.IsNullOrEmpty(DebtorStreet) &&
      string.IsNullOrEmpty(DebtorBuildingNumber) &&
      string.IsNullOrEmpty(DebtorPostalCode) &&
      string.IsNullOrEmpty(DebtorTown) &&
      string.IsNullOrEmpty(DebtorCountry))
  {
    sb.Append(fldSep);
    sb.Append(fldSep);
    sb.Append(fldSep);
    sb.Append(fldSep);
    sb.Append(fldSep);
    sb.Append(fldSep);
    sb.Append(fldSep);
  }
  else
  {
    sb.Append("S" + fldSep);
    sb.Append(DebtorName + fldSep);
    sb.Append(DebtorStreet + fldSep);
    sb.Append(DebtorBuildingNumber + fldSep);
    sb.Append(DebtorPostalCode + fldSep);
    sb.Append(DebtorTown + fldSep);
    sb.Append(DebtorCountry + fldSep);
  }

  // Reference
  sb.Append(ReferenceType + fldSep);

  if (ReferenceType == ReferenceTypes.QRR)
    sb.Append(QRReference + fldSep);
  else if (ReferenceType == ReferenceTypes.SCOR)
    sb.Append(CreditorReference + fldSep);
  else
    sb.Append(fldSep);

  // Additional information
  sb.Append(Message + fldSep);
  sb.Append("EPD");

  // Optional billing information and alternative procedures
  if (!string.IsNullOrEmpty(BillInfo) ||
      !string.IsNullOrEmpty(Parameter1) ||
      !string.IsNullOrEmpty(Parameter2))
  {
    sb.Append(fldSep);
    sb.Append(BillInfo + fldSep);
    sb.Append(Parameter1 + fldSep);
    sb.Append(Parameter2);
  }

  // The final line must not end with a field separator.
  return sb.ToString();
}