0 
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这些图像是在运行时决定的，是否将其嵌入到电子邮件正文中

请帮忙

4

3 回答 3

6

如果您只想要电子邮件中的那部分标记，则将其放在用户控件 (myEmailControl.ascx) 中。然后，您可以从发送电子邮件的脚本中调用控件上的 Render() 并拦截控件的 html 输出。然后，您可以将该 html 放入电子邮件正文中。（您的图片还需要绝对网址，以便它们显示在电子邮件中，但我相信您已经想到了这一点）

发送电子邮件的页面/处理程序：

    StringBuilder htmlResponse = new StringBuilder();
    using (StringWriter sw = new StringWriter(htmlResponse))
    {
        using (HtmlTextWriter textWriter = new HtmlTextWriter(sw))
        {
            Control emailBody = Page.LoadControl("myEmailControl.ascx");
            emailBody.RenderControl(textWriter);
        }
    }
    string emailHtml = htmlResponse.ToString();
于 2012-04-05T18:35:34.163 回答
3

您可以从页面下载呈现的 HTML 并将其发送：

WebRequest request = WebRequest.Create("http://server.com/path/to/page.aspx");
WebResponse response = request.GetResponse();

StringReader reader = new StringReader(response.GetResponseStream());

string html = reader.ReadToEnd();

现在您只需发送html电子邮件中的内容即可。

于 2012-04-05T18:27:38.550 回答
0

您最好的选择可能是将图像输出为 HTML 中的 Base 64。

<img src="data:image/png;base64,iVBrkJggg==" alt="Base 64 encoded!" />

在您后面的代码中，获取图像，将其转换为 Base 64 并将其打印为 src！

于 2012-04-05T18:29:10.883 回答