有没有办法做一个“替换或插入"?使用 web.config 转换? [英] Is there any way to do a "Replace Or Insert" using web.config transformation?

问题描述

我正在使用 web.config 转换，如下文所述，以便为不同的环境生成配置.

I'm using web.config transformation as described in the below post in order to generate configs for different environments.

http://vishaljoshi.blogspot.com/2009/03/web-deployment-webconfig-transformation_23.html

我可以通过匹配键来进行替换"转换，例如

I can do a "Replace" transformation by matching on the key, e.g.

<add key="Environment" value="Live" xdt:Transform="Replace" xdt:Locator="Match(key)" />

我可以做插入"，例如

<add key="UseLivePaymentService" value="true" xdt:Transform="Insert" />

但我真正觉得有用的是 ReplaceOrInsert 转换，因为我不能总是依赖具有/不具有特定键的原始配置文件.

But what I would really find useful is a ReplaceOrInsert transformation, as I can't always rely on the original config file having/not having a certain key.

有没有办法做到这一点?

Is there any way to do this?

推荐答案

我找到了一种廉价的解决方法.如果您有很多需要替换或插入"的元素，它就不是很漂亮，也不会很好地工作.

I found a cheap workaround. It ain't pretty and won't work very well if you have a lot of elements that needs to be "Replace Or Insert".

先删除"，然后再插入后|插入前".

Do a "Remove" and then an "InsertAfter|InsertBefore".

例如

<authorization xdt:Transform="Remove" />
<authorization xdt:Transform="InsertAfter(/configuration/system.web/authentication)">
  <deny users="?"/>
  <allow users="*"/>
</authorization>

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