Question

我想通过C＃代码和多张图片发送电子邮件。当我发送没有任何图像的电子邮件时，它运行良好但是当我附加图像时，电子邮件中的内容不会显示。有一个名为EmailTemplate.html的模板，其中包含要在e中发送的布局-mail和相应的内容在SendMail（）中提供。

SendMail代码（）

protected void sendMail()
    {
        string body;
        string blogTitle="Demo Title";
        string blogCategory="Demo Category";
        string blogHeadline="Demo Headline";
        DateTime blogDate = DateTime.Now;
        string registeredEmail="example@gmail.com";
        using (StreamReader reader = new StreamReader(Server.MapPath(("~/EmailTemplate.html"))))
        {
            body = reader.ReadToEnd();
        }

        MailMessage mail = new MailMessage();
        SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");


            mail.From = new MailAddress("example@gmail.com");
            mail.To.Add(registeredEmail);
            mail.Subject = blogTitle;

            //code to send multiple images in mail
            AlternateView av1=AlternateView.CreateAlternateViewFromString(body,null,MediaTypeNames.Text.Html);
            LinkedResource myPhoto=new LinkedResource("D:\\asp.net\\Learning Dot Net\\myPhoto.jpg");
            myPhoto.ContentId="myImage";
            av1.LinkedResources.Add(myPhoto);
            myPhoto=new LinkedResource("D:\\asp.net\\Learning Dot Net\\books.jpg");
            myPhoto.ContentId="blogImage";
            av1.LinkedResources.Add(myPhoto);
            mail.AlternateViews.Add(av1);
            //code ends

            mail.IsBodyHtml = true;

            body = body.Replace("#Title", blogTitle);
            body = body.Replace("#BlogDate", blogDate.ToString());
            body = body.Replace("#BlogCategory", blogCategory);
            body = body.Replace("#BlogHeadline", blogHeadline + ".........");

            mail.Body = body;

            SmtpServer.Port = 587;
            SmtpServer.Credentials = new System.Net.NetworkCredential("example@gmail.com", "12345678");
            SmtpServer.EnableSsl = true;

            SmtpServer.Send(mail);
    }

EmailTemplate.html代码

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
    <div>
        <table border="0" cellpadding="15" style="width:550px; margin:0 auto;border: solid 7px blue;">
            <tr>
                <td colspan="3" style="text-align:center">
                    <label id="title" style="color:blue;font-size:15pt;">#Title</label>
                </td>
            </tr>

            <tr>
                <td style="width:130px;">
                    <label style="color:blue;font-size:15pt;">#BlogDate</label>
                </td>

                <td style="width:150px;">
                    <label style="color:blue;font-size:15pt;">#BlogCategory</label>
                </td>
                <td align="right">
                    <img src="cid:myImage" alt="abc" style="width:90px; height: 80px; border-radius:445px;"/>
                </td>
            </tr>
            <tr>
                    <td colspan="3">
                    <img src="cid:blogImage" alt="blogImage" width="500" height="140" />
                    </td>
            </tr>
            <tr>
                <td colspan="3">

                    #BlogHeadline

                </td>
            </tr>
            <tr>
                <td colspan="3">
                    <a href="ReadMoreUrl" style="text-decoration:none;" > Read More</a> &nbsp;&nbsp;
                    <a href="ReadMoreUrl" style="text-decoration:none;" > Add Comment</a> &nbsp;&nbsp;
                    <a href="ReadMoreUrl" style="text-decoration:none;" > See all comments</a> &nbsp;&nbsp; 
                    <a href="http://localhost:1847/blog.aspx" style="text-decoration:none;" > All Blogs</a> 
                </td>
            </tr>

            <tr>
                <td colspan="3">
                    <label>Reference </label> <a href="http://example.com" style="text-decoration:none;">http://example.com</a>
                </td>
            </tr>

            <tr>
                <td colspan="3">
                <a href="UnsubscribeEmail">Unsubscribe</a><label> &nbsp; to no longer receive posts from <a href="http://example.com" style="text-decoration:none;">http://example.com</a>.</label>
                    </td>
            </tr>

        </table>
    </div>
</body>
</html>

此代码发送的电子邮件显示#Title，＃BlogDate，＃BlogCategory和#BlogHeadline。代替这些内容，内容应在SendMail（）中显示为已替换。

Answer 1

您只需要更改代码的位置即可。首先，您必须添加邮件内容，之后您需要添加电子邮件代码。我已经尝试过我的系统并且它正常工作。

我无法解释这个的实际逻辑，但它在我的系统上工作，当我检查电子邮件时，它显示所有电子邮件内容以及图像。检查下面的快照。如果你再次遇到这个问题，请告诉我。

 body = body.Replace("#Title", blogTitle);
            body = body.Replace("#BlogDate", blogDate.ToString());
            body = body.Replace("#BlogCategory", blogCategory);
            body = body.Replace("#BlogHeadline", blogHeadline + ".........");

            mail.Body = body;

AlternateView av1=AlternateView.CreateAlternateViewFromString(body,null,MediaTypeNames.Text.Html);
            LinkedResource myPhoto=new LinkedResource("D:\\asp.net\\Learning Dot Net\\myPhoto.jpg");
            myPhoto.ContentId="myImage";
            av1.LinkedResources.Add(myPhoto);
            myPhoto=new LinkedResource("D:\\asp.net\\Learning Dot Net\\books.jpg");
            myPhoto.ContentId="blogImage";
            av1.LinkedResources.Add(myPhoto);
            mail.AlternateViews.Add(av1);
            //code ends

            mail.IsBodyHtml = true;

使用带有多个图像的C＃发送电子邮件

1 个答案: