如何使用 PowerShell 文档 - PowerShell | Microsoft Learn(https://learn.microsoft.com/zh-cn/powershell/scripting/how-to-use-docs?view=powershell-7.5)

如何使用 PowerShell 文档 - PowerShell | Microsoft Learn

关于环境变量 - PowerShell | Microsoft Learn

# 赋值
$Env:vName = 'Test'
#取值
$Env:vName

http://www.pstips.net/why-is-powershell-powerful.html

https://baijiahao.baidu.com/s?id=1594522197885174841&wfr=spider&for=pc

https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.management/get-childitem?view=powershell-6

https://www.cnblogs.com/dreamer-fish/p/3812501.html

使用Splatting方法来传递参数_Python_Anders's Blog-CSDN博客
https://blog.csdn.net/itanders/article/details/75305349

PowerShell 在线教程 – PowerShell 中文博客
https://www.pstips.net/powershell-online-tutorials

unix - Is PowerShell ready to replace my Cygwin shell on Windows? - Stack Overflow
https://stackoverflow.com/questions/573623/is-powershell-ready-to-replace-my-cygwin-shell-on-windows#573861

帮助文档地址

PowerShell 文档 - PowerShell | Microsoft Docs
https://docs.microsoft.com/zh-cn/powershell/?view=powershell-7

常用操作

四则运算

1+9+1
#11

电脑容量计算

1KB+1KB
#2048

Get-Help

help ls -online

Get-ChildItem

等同于 ls dir

Alias

Alias

Install-Package

https://docs.microsoft.com/zh-cn/powershell/module/PackageManagement/Install-Package?view=powershell-5.1

创建符号和硬链接

类似于 mklink 和 ln命令

New-Item -Path a.link.txt -ItemType SymbolicLink -Value a.txt

调用cmd命令执行

cmd /c mklink a.link.txt a.txt

新建文件

新建a.txt

New-Item a.txt

请求网页

wget
Invoke-WebRequest
alias wget

循环

$sum=0
for($i=1;$i -le 100;$i++)
{
    $sum+=$i
}
$sum

批量重命名

Get-ChildItem -File -Filter "DP*" | Rename-Item -NewName {$_.Name -replace 'DP',''}

Get-ChildItem -File -Filter "*.zip" |  Rename-Item -NewName {$_.Name -replace '.zip','_lf.zip'}

wsl配置

wsl -d docker-desktop
echo 262144 >> /proc/sys/vm/max_map_count

创建永久别名（PS）

$profile
New-Item -Type file -Force $profile
Set-Alias -Name cnpm -Value npm

Get-Help

Get-Help New-Item

New-Item

New-Item
https://docs.microsoft.com/zh-cn/powershell/module/Microsoft.PowerShell.Management/New-Item?view=powershell-7

创建a.txt

New-Item a.txt

强制创建一个a.txt文件

New-Item -Path . -Name a.txt -ItemType file -Value "a.txt,hi" -Force

创建10个文件

for($i=1;$i -le 10;$i++)
{
    New-Item -Path . -Name "a$i.txt" -ItemType file -Value "a.txt" -Force
}

创建软连接

New-Item -Path a.link.txt -ItemType SymbolicLink -Value a.txt

Get-ExecutionPolicy

about_Execution_Policies - PowerShell | Microsoft Docs
https://docs.microsoft.com/zh-cn/powershell/module/microsoft.powershell.core/about/about_execution_policies?view=powershell-7

管理员身份打开powershell

Get-ExecutionPolicy
Set-ExecutionPolicy RemoteSigned

有以下策略

get-help set-executionpolicy

<Unrestricted> | <RemoteSigned> | <AllSigned> | <Restricted> | <Default> | <Bypass> | <Undefined>