常用方法
常用方法
常用方法
常用方法
public IActionResult DownloadInvoice(string orderGuid) { var order = _orderService.GetByGuid(orderGuid); if (order == null || order.UserId != CurrentUser.Id || !CanDownloadInvoice(order)) { return(NotFound()); } var pdfBytes = _pdfService.GetPdfBytes(PrintHelper.GetInvoice(order)); return(File(pdfBytes, "application/pdf", $"order_invoice_{order.Id}.pdf")); }