/// <summary>
/// 转换成.Net 自带的MailMessage
/// </summary>
/// <returns></returns>
public MailMessage ToMailMessage()
{
MailMessage message = new MailMessage();
message.Subject = this.Headers.Subject;
message.SubjectEncoding = Encoding.UTF8;
MessagePart preferredVersion = this.FindFirstHtmlVersion();
if (preferredVersion != null)
{
message.IsBodyHtml = true;
}
else
{
preferredVersion = this.FindFirstPlainTextVersion();
}
if (preferredVersion != null)
{
message.Body = preferredVersion.GetBodyAsText();
message.BodyEncoding = preferredVersion.BodyEncoding;
}
IEnumerable <MessagePart> textVersions = this.FindAllTextVersions();
foreach (MessagePart textVersion in textVersions)
{
if (textVersion != preferredVersion)
{
MemoryStream stream = new MemoryStream(textVersion.Body);
AlternateView alternative = new AlternateView(stream);
alternative.ContentId = textVersion.ContentId;
alternative.ContentType = textVersion.ContentType;
message.AlternateViews.Add(alternative);
}
}
IEnumerable <MessagePart> attachments = this.FindAllAttachments();
foreach (MessagePart attachmentMessagePart in attachments)
{
MemoryStream stream = new MemoryStream(attachmentMessagePart.Body);
Attachment attachment = new Attachment(stream, attachmentMessagePart.ContentType);
attachment.ContentId = attachmentMessagePart.ContentId;
message.Attachments.Add(attachment);
}
if (this.Headers.From != null && this.Headers.From.HasValidMailAddress)
{
message.From = this.Headers.From.MailAddress;
}
if (this.Headers.ReplyTo != null && this.Headers.ReplyTo.HasValidMailAddress)
{
message.ReplyToList.Add(this.Headers.ReplyTo.MailAddress);
}
if (this.Headers.Sender != null && this.Headers.Sender.HasValidMailAddress)
{
message.Sender = this.Headers.Sender.MailAddress;
}
foreach (RfcMailAddress to in this.Headers.To)
{
if (to.HasValidMailAddress)
{
message.To.Add(to.MailAddress);
}
}
foreach (RfcMailAddress cc in this.Headers.Cc)
{
if (cc.HasValidMailAddress)
{
message.CC.Add(cc.MailAddress);
}
}
foreach (RfcMailAddress bcc in this.Headers.Bcc)
{
if (bcc.HasValidMailAddress)
{
message.Bcc.Add(bcc.MailAddress);
}
}
return(message);
}
protected abstract T CaseLeaf(MessagePart messagePart);