SharePoint自动化系列——通过PowerShell创建SharePoint Site Collection

Add-PSSnapin microsoft.sharepoint.powershell
function CreateTeamSite()
{
    $webApps = Get-SPWebApplication
    $webAppsUrl = $webApps.Url
    if($webApps.count -eq 1)
    {
        Write-Host "You have only one web application:"
        Write-Host $webApps.Url
        $choice = Read-Host "Do you want to create a site collection under this web application? Type 'y' to create.'"
        if($choice -eq "y")
        {
            $siteTitle = Read-Host "Enter the site collection's title:"
            $siteUrl = $webAppsUrl+"sites/"+$siteTitle
            Write-Host "Choose the site collecion's template:"
            Write-Host "[1].Template1."
            Write-Host "[2].Template2."
            Write-Host "[3].Template3."
            $choice = Read-Host "Enter the number to choose"
            SwitchSiteTemplateAndCreateSite $choice $siteUrl 
     $choice = Read-Host "Type 'y' to continue"
            if($choice -eq 'y')
            {
                CreateTeamSite
            }
        }
    }
    else
    {
        Write-Host "Choose the web application:"
        for($i=0;$i -le $webApps.count-1;$i++)
        {
            $tip = "[" + $i + "]." + $webApps[$i].Url
            Write-Host $tip
        }
        $choice = Read-Host "Enter the number to choose"
        $siteTitle = Read-Host "Enter the site collection's title"
        $siteUrl = $webApps[$choice].Url + "sites/"+$siteTitle
        Write-Host "Choose the site collecion's template:"
        Write-Host "[1].Template1."
        Write-Host "[2].Template2."
        Write-Host "[3].Template3."
        $choice = Read-Host "Enter the number to choose"
        SwitchSiteTemplateAndCreateSite $choice $siteUrl
        $choice = Read-Host "Type 'y' to continue"
        if($choice -eq 'y')
        {
            CreateTeamSite
        }
    }
}
function SwitchSiteTemplateAndCreateSite($choice,$siteUrl)
{
    switch($choice)
    {
        1 {$template = "Template1ID"}
        2 {$template = "Template2ID"}
        3 {$template = "Template3ID"}
    }
    if(($template -ne "Template1ID") -and ($template -ne "Template2ID") -and ($template -ne "Template3ID"))
    {
        $choice = Read-Host "Please enter the correct number."
        SwitchSiteTemplateAndCreateSite $choice $siteUrl
    }else
    {
        Write-Host "Site collection creating..."
        New-SPSite -Url $siteUrl -OwnerAlias "Administrator" -Language 1033 -Template $template
        Write-Host "Site collection created successfully."
    }
}
CreateTeamSite