如何通过其服务名称和脚本来获取进程ID到变量

问题描述

我有一个名为WinDefend的服务，它在进程svchost.exe
上运行还有许多其他svchost.exe进程，我需要找到一种获取其ID的方法.
当我运行tasklist /svc时，我可以看到:

I have service named WinDefend and it runs on process svchost.exe
There other many svchost.exe processes and I need to find a way to get its ID.
when I run tasklist /svc I can see:

我不确定如何获得它.
我找到了此命令，但是当我尝试select "PID"时，它给了我空的列.

I am not sure how can I get it.
I found this command but when I tried the select "PID" it gave me empty column.

我需要将进程的PID更改为变量.

I need to get the PID of the process to variable.

推荐答案

tasklist只是返回文本，而不是具有可访问属性的实际对象.您可以使用WMI来获取此信息:

tasklist is just returning text, not actual objects that have properties you can access. You can use WMI to get this information instead:

$id = Get-WmiObject -Class Win32_Service -Filter "Name LIKE 'WinDefend'" |
      Select-Object -ExpandProperty ProcessId

$process = Get-Process -Id $id

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