PowerShell对很多日常任务都非常有用，但是如果您需要在考虑安全性的情况下调整某些函数，那么如何定义函数以使其需要提升呢？今天的超级用户问答帖子回答了一位好奇的读者的问题。

今天的问答环节是由SuperUser提供的，SuperUser是Stack Exchange的一个分支，是一个由社区驱动的问答网站分组。

问题

超级用户读者Vlastimil想知道如何定义需要提升的PowerShell函数：

Since I cannot find any alternatives to Linux’s sudo elevation command, I have the following question. How do I define a PowerShell function that requires elevation, as in activating a UAC prompt on my Windows 8.1 Pro, 64-bit system? For example, say I run the following function:

With the following results:

To be completely clear, if I run PowerShell as “user”, then run the aforementioned function system-check, I want the function to elevate in order to be able to execute the command (I want the UAC prompt to appear).

如何定义需要提升的PowerShell函数？

答案

超级用户贡献者Ashton为我们提供了答案：

To run a specific command from an elevated window:

For example:

To run a specific script from an elevated window:

To run an entire PowerShell session that prompts the UAC:

A function to return $True or $False if the current window is running with elevated permissi***:

To ensure a script is only run As Admin, add this to the beginning:

In PowerShell v4.0, the above can be simplified by using a #Requires statement:

Source: Run with Elevated Permissi*** [SS64.com]

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