public CreateQRCodeResponse CreateQRCode(CreateQRCodeRequest createQRCodeRequest)
{
int count = _qRCodeRepository.GetAlleQRCodes()
.Where(x => x.eVoucherId == createQRCodeRequest.eVoucharId).Count();
if (count < 1000)
{
string promoCode = String.Empty;
string imageURL = string.Empty;
QRCode obj = new QRCode();
obj.Id = Guid.NewGuid();
obj.eVoucherId = createQRCodeRequest.eVoucharId;
bool isAlreadyHave = false;
do
{
promoCode = GeneratePromoteCode();
isAlreadyHave = _qRCodeRepository.CheckPromoCode(promoCode);
}while (isAlreadyHave);
obj.PromoCode = promoCode;
QRCoder.QRCodeGenerator qrGenerator = new QRCoder.QRCodeGenerator();
QRCoder.QRCodeData qrCodeData = qrGenerator.CreateQrCode(promoCode, QRCoder.QRCodeGenerator.ECCLevel.Q);
QRCoder.QRCode qrCode = new QRCoder.QRCode(qrCodeData);
try
{
using (Bitmap bitMap = qrCode.GetGraphic(20))
{
using (MemoryStream ms = new MemoryStream())
{
bitMap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
byte[] byteImage = ms.ToArray();
imageURL = "data:image/png;base64," + Convert.ToBase64String(byteImage);
obj.QRCodeImg = byteImage;
obj.CreatedBy = "System";
obj.CreatedDate = DateTime.Now;
_qRCodeRepository.CreateQRCode(obj);
var qrDto = _messageMapper.MapToeQRCodeDto(obj);
var createResponse = new CreateQRCodeResponse
{
codeDto = qrDto,
StatusCode = System.Net.HttpStatusCode.OK
};
return(createResponse);
}
}
}
catch (Exception ex)
{
var createResponse = new CreateQRCodeResponse
{
StatusCode = System.Net.HttpStatusCode.BadRequest
};
return(createResponse);
}
}
else
{
string messageStr = "QRCode generation exceed limitation!";
List <string> msgList = new List <string>();
msgList.Add(messageStr);
var createResponse = new CreateQRCodeResponse
{
Messages = msgList
};
return(createResponse);
}
}
/// <summary>
/// 获取小程序二维码，适用于需要的码数量较少的业务场景。通过该接口生成的小程序码，永久有效，有数量限制，详见<see href="https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/qr-code.html">获取二维码</see>。
/// </summary>
public async Task <CreateQRCodeResponse> CreateQRCode(CreateQRCodeRequest request)
{
return(await _client.SendAsync <CreateQRCodeResponse>(request));
}
public ActionResult <CreateQRCodeResponse> CreateQRCode(CreateQRCodeRequest createQRCodeRequest)
{
var response = _QRCodeService.CreateQRCode(createQRCodeRequest);
return(response);
}
