public ActionResult QrCodeForSigin(int activityId)
{
////1.定义签到页面地址
string siginUrl = $"{WebConfig.Web_Host}/Home/SignIn/Signin?activityId={activityId}";
//2.生成二维码
return(File(QrCodeHelper.BuildQrCode(siginUrl), "image/jpeg"));
}
public HttpResponseMessage GetQrCode(string out_trade_no)
{
LogHelper.Log.Debug("GetQrCode:" + out_trade_no);
var order = CacheHelper.Get <OrderDTO>(out_trade_no);
System.IO.MemoryStream MStream1 = new System.IO.MemoryStream();
QrCodeHelper.BuildQrCode(order.Order_QRUrl, MStream1, "~/wdi.ico");
var resp = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ByteArrayContent(MStream1.ToArray())
};
resp.Content.Headers.ContentType = new MediaTypeHeaderValue("image/png");
return(resp);
}