用父标记将标记列表(taghelper)括起来 [英] Enclose a list of tags (taghelper) by a parent tag
问题描述
我需要实现以下目标
<MyTagList>
<MyTag></MyTag>
<MyTag></MyTag>
</MyTagList>
当我在设计时使用 MyTag
时,需要自动将其封装在 MyTagList
或 MyTag
中,如果出现错误,则必须将其封装通过 MyTagList
When ever I use MyTag
in design time, it need to be enclosed automaticaly by MyTagList
or MyTag
should error that it must be enclosed by MyTagList
推荐答案
您今天无法在设计时执行此操作.但是,您可以通过使用 TagHelperContext.Items
在运行时部分地执行此操作.通过使用 Items
属性,您可以确保每个标签都被父标签包围,如果不是,则抛出该标签.将指示符插入父元素的 Items
包中,并验证其是否存在于子元素中.
You can't do this today at design time. You can however do it partially at runtime by utilizing TagHelperContext.Items
. By using the Items
property you can ensure that each tag is enclosed by a parent tag and throw if it's not. Insert an indicator into the Items
bag in your parent element and verify that it exists in child elements.
关于将来对此的支持,有两个问题需要增加设计时间支持:
As for supporting this in the future there are two issues open to add design time support:
希望这会有所帮助!
这篇关于用父标记将标记列表(taghelper)括起来的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!