通过电子邮件将图像作为正文中的嵌入图像发送时遇到问题。
图像文件显示为附件,这没问题,但内联图像部分仅显示为红色 x。
这是我到目前为止所拥有的
LinkedResource inline = new LinkedResource(filePath);
inline.ContentId = Guid.NewGuid().ToString();
MailMessage mail = new MailMessage();
Attachment att = new Attachment(filePath);
att.ContentDisposition.Inline = true;
mail.From = from_email;
mail.To.Add(data.email);
mail.Subject = "Client: " + data.client_id + " Has Sent You A Screenshot";
mail.Body = String.Format(
"<h3>Client: " + data.client_id + " Has Sent You A Screenshot</h3>" +
@"<img src=""cid:{0}"" />", inline.ContentId);
mail.IsBodyHtml = true;
mail.Attachments.Add(att);
用于嵌入图像的一些最小的 C# 代码可以是:
MailMessage mailWithImg = GetMailWithImg();
MySMTPClient.Send(mailWithImg); //* Set up your SMTPClient before!
private MailMessage GetMailWithImg() {
MailMessage mail = new MailMessage();
mail.IsBodyHtml = true;
mail.AlternateViews.Add(GetEmbeddedImage("c:/image.png"));
mail.From = new MailAddress("yourAddress@yourDomain");
mail.To.Add("recipient@hisDomain");
mail.Subject = "yourSubject";
return mail;
}
private AlternateView GetEmbeddedImage(String filePath) {
LinkedResource res = new LinkedResource(filePath);
res.ContentId = Guid.NewGuid().ToString();
string htmlBody = @"<img src='cid:" + res.ContentId + @"'/>";
AlternateView alternateView = AlternateView.CreateAlternateViewFromString(htmlBody, null, MediaTypeNames.Text.Html);
alternateView.LinkedResources.Add(res);
return alternateView;
}
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