使用PowerShell 修改hosts

直接上代码

# author:lttr <www.cnblogs.com/GoCircle> 
# date:2019-08-09
[CmdletBinding()]
param
(
[Parameter(Mandatory=$true,Position=0)][string]$IPURL
)

if((Get-Content $env:windir\System32\drivers\etc\hosts |?{$_ -match "/s$IPURL"}) -eq $null){
    "`n$IPURL" | Out-File -FilePath "$env:windir\System32\drivers\etc\hosts" -Append -encoding ascii
    Write-Host "修改成功！"
}else{
    Write-Host "host文件中存在该配置信息。"
}