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我有一封电子邮件，其中有一个带有背景图像的单元格。我需要为手机更改此图像 src。是否有可能做到这一点 ？我看到很多使用<img>标签的例子，但在我的例子中，这是一张背景图片。

我决定在 Outlook 中剪切背景图像（防弹 bg 还不够）所以基本上我的代码看起来像这样

<!--[if lt mso 9]> <!-->
<td
    background="https://assets.myjobglasses.com/email/campaigns/aladdin/red-carpet.png" bgcolor="#ffffff"
    valign="top" align="center"
    style="background-repeat: no-repeat;"
    height="<%= red_carpet_height %>"
    class="red-carpet-bulletproof-background"
>
<!--<![endif]-->

<!--[if gte mso 9]>
 <td
    valign="top" align="center"
    height="<%= red_carpet_height %>"
    class="red-carpet-bulletproof-background"
>

相反，我想在移动设备上使用此图像。我怎样才能做到这一点 ？（我可以选择复制代码并添加一些可见性类，但如果我的电子邮件太长，Gmail 会选择删除可见部分，所以我想避免这种激烈的措施）

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1 回答 1

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您需要定位包含图像的特定类并在移动设备上更改它。

@media only screen and (max-width:480px) {
.red-carpet-bulletproof-background{background-image:url();width:300px; height:225px; background-size:100% auto;}
}

这是一个工作示例：

 @media only screen and (max-width:480px) {
 .table{width:300px !important;}
    .red-carpet-bulletproof-background{background-image:url('https://assets.myjobglasses.com/email/campaigns/aladdin/red-carpet-mobile.png') !important;width:300px; height:225px; background-size:100% auto;}
    }
<table width="600" cellpadding="0" cellspacing="0" border="0" class="table">
<tr>
<td
    background="https://assets.myjobglasses.com/email/campaigns/aladdin/red-carpet.png" bgcolor="#ffffff"
    valign="top" align="center"
    style="background-repeat: no-repeat;"
    height="<%= red_carpet_height %>"
    class="red-carpet-bulletproof-background"
>
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<br><br>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris pellentesque lectus at risus pellentesque pulvinar. Vestibulum vitae bibendum lorem, eu fermentum erat. Fusce viverra ante vel leo placerat euismod.
<br><br>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris pellentesque lectus at risus pellentesque pulvinar. Vestibulum vitae bibendum lorem, eu fermentum erat. Fusce viverra ante vel leo placerat euismod.
</td>
</tr>
</table>

让我知道这是否适合您。

于 2018-02-19T00:54:43.257 回答