Microsoft.PowerShell_profile.ps1

function proxy {
    $env:http_proxy = "http://127.0.0.1:7890"
    $env:https_proxy = "http://127.0.0.1:7890"
    [System.Net.WebRequest]::DefaultWebProxy = New-Object System.Net.WebProxy ("http://127.0.0.1:7890")
    Write-Host "Proxy enabled: http://127.0.0.1:7890" -ForegroundColor Green
}

function unproxy {
    $env:http_proxy = $null
    $env:https_proxy = $null
    [System.Net.WebRequest]::DefaultWebProxy = $null
    Write-Host "Proxy disabled" -ForegroundColor Yellow
}

function check-proxy {
    if ($env:http_proxy -or $env:https_proxy) {
        Write-Host "Current proxy settings:" -ForegroundColor Cyan
        Write-Host "HTTP Proxy: $env:http_proxy"
        Write-Host "HTTPS Proxy: $env:https_proxy"
    } else {
        Write-Host "No proxy is currently set." -ForegroundColor Cyan
    }
}

Remove-Item alias:curl
proxy