$Hosts = "$env:windir\System32\drivers\etc\hosts"
$a = gc $Hosts
if ($a[-1] -ne '') { ac $hosts '' }
$urls = @(
	"www.baidu.com"
	"www.bing.com"
) |
foreach{
	if ((gc $Hosts | Select-String $_) -eq $null)
	{
		ac $hosts "127.0.0.1 $_"
	}
}
复制代码

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing

$hostsfilelocation = "$env:windir\System32\drivers\etc\hosts"
$readhostsfile = Get-Content $hostsfilelocation

$form = New-Object System.Windows.Forms.Form
$form.Text = 'Update HOSTS File'
$form.Size = New-Object System.Drawing.Size(300, 200)
$form.StartPosition = 'CenterScreen'

$AddHosts = New-Object System.Windows.Forms.Button
$AddHosts.Location = New-Object System.Drawing.Point(55, 120)
$AddHosts.Size = New-Object System.Drawing.Size(90, 25)
$AddHosts.Text = 'Add Record'
$AddHosts.DialogResult = [System.Windows.Forms.DialogResult]::OK
$form.AcceptButton = $AddHosts
$form.Controls.Add($AddHosts)

$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Point(170, 120)
$CancelButton.Size = New-Object System.Drawing.Size(75, 25)
$CancelButton.Text = 'Cancel'
$CancelButton.DialogResult = [System.Windows.Forms.DialogResult]::Cancel
$form.CancelButton = $CancelButton
$form.Controls.Add($CancelButton)

$Hostslabel = New-Object System.Windows.Forms.Label
$Hostslabel.Location = New-Object System.Drawing.Point(10, 20)
$Hostslabel.Size = New-Object System.Drawing.Size(280, 20)
$Hostslabel.Text = 'Enter New HOSTNAME/FQDN:'
$form.Controls.Add($Hostslabel)

$HoststextBox = New-Object System.Windows.Forms.TextBox
$HoststextBox.Location = New-Object System.Drawing.Point(10, 40)
$HoststextBox.Size = New-Object System.Drawing.Size(260, 20)
$form.Controls.Add($HoststextBox)

$IPlabel = New-Object System.Windows.Forms.Label
$IPlabel.Location = New-Object System.Drawing.Point(10, 60)
$IPlabel.Size = New-Object System.Drawing.Size(280, 20)
$IPlabel.Text = 'Enter IP:'
$form.Controls.Add($IPlabel)

$IPtextBox = New-Object System.Windows.Forms.TextBox
$IPtextBox.Location = New-Object System.Drawing.Point(10, 80)
$IPtextBox.Size = New-Object System.Drawing.Size(260, 20)
$form.Controls.Add($IPtextBox)

$form.Topmost = $true

$form.Add_Shown({ ($HoststextBox, $IPtextbox).Select() })

$result = $form.ShowDialog()

if ($result -eq [System.Windows.Forms.DialogResult]::OK)
{
	$inputhosts = $HoststextBox.Text
	$inputip = $IPtextBox.Text
	$newrecord = "$inputip $inputhosts"
	Add-Content -Path $hostsfilelocation -Value $newrecord
}
复制代码