是否可以在Google App Engine Go中使用CSS创建电子邮件模板？ [英] Is it possible to create email templates with CSS in Google App Engine Go?

问题描述

我正在创建一个GAE Golang应用程序，它将通知用户系统正在发生什么。由于我希望电子邮件看起来不错，我已经在使用HTMLBody。然而，当我创建越来越复杂的电子邮件时，我想开始使用像html / template这样的东西，用CSS等等来打造漂亮的电子邮件。但是，我不知道我可以如何做Template.Execute将其转换成可以发送的HTMLBody字符串。

I am creating a GAE Golang application that will be notifying users of what is happening in the system. Since I want the emails to look nice, I am already using HTMLBody. However, as I'm creating more and more complex emails, I would like to start using something like html/template to crease nice looking emails with CSS and so forth. However, I'm not sure how I can do Template.Execute to turn it into HTMLBody string that can be sent.

如何使用像html / template这样的东西创建要用于appengine / mail的HTML电子邮件？

How can I use something like html/template to create HTML emails to use with appengine/mail ?

推荐答案

您可以将模板渲染为临时字节缓冲区，如下所示： / p>

You can render the template to a temporary byte buffer, like this:

var tmpl = template.Must(template.ParseFiles("templates/email.html"))

buff := new(bytes.Buffer)
if err = tmpl.Execute(buff, struct{ Name string }{"Juliet"}); err != nil {
    panic(err.Error())
}
msg := &mail.Message{
    Sender:   "[e-mail]",
    To:       []string{"Juliet <[e-mail]>"},
    Subject:  "See you tonight",
    Body:     "...you put here the non-HTML part...",
    HTMLBody: buff.String(),
}
c := appengine.NewContext(r)
if err := mail.Send(c, msg); err != nil {
    c.Errorf("Alas, my user, the email failed to sendeth: %v", err)
}

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