将图像包含到 MvCMailer Mail 时路径应该如何

Question

我试图在使用 MvCMailer 发送电子邮件时嵌入图像，如下所示：

    Dictionary<string,string> resources = new Dictionary<string,string>();
    resources["logo"] = new Uri(new Uri(string.Format("{0}://{1}{2}", System.Web.HttpContext.Current.Request.Url.Scheme, System.Web.HttpContext.Current.Request.Url.Authority, Url.Content("~"))), "/Content/images/logo.png").ToString();
    mailSender.Confirm(user.Username, user.Email, link,resources).Send();

它是如何生成的：

URI formats are not supported.

我不确定我应该发送什么样的路径，以及如何生成它？

堆栈跟踪：

     at System.IO.Path.NormalizePath(String path, Boolean fullCheck, Int32 maxPathLength)
   at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at System.Net.Mail.AttachmentBase.SetContentFromFile(String fileName, ContentType contentType)
   at Mvc.Mailer.LinkedResourceProvider.Get(String contentId, String filePath)

Answer 1

资源路径应该是磁盘上的本地路径，而不是 URL。

写

resources["logo"] = Server.MapPath("~/Content/images/logo.png");

Answer 2

您必须添加代码才能添加附件。
如果这不是权利或权限问题，请尝试此操作

public virtual MailMessage Welcome(string email, string name)
{     
   var mailMessage = new MailMessage{Subject = "Welcome to MvcMailer"};
   mailMessage.To.Add(email);
   ViewBag.Name = name;
   PopulateBody(mailMessage, viewName: "Welcome");
   return mailMessage; 
}