代码如下，请保存为人后辍名为ps1，用PowerShell来执行

$snapin = Get-PSSnapin | where-object { $_.Name -eq'Microsoft.SharePoint.PowerShell' }if ($snapin -eq $null){write-host "Loading SharePoint PowerShell Snapin..." -foregroundcolor Blueadd-pssnapin "Microsoft.SharePoint.PowerShell"write-host "SharePoint PowerShell Snapin loaded." -foregroundcolor Green}$File=Get-Date -Format "yyyyMMddHHmmss" $File="c:\Backup\84Port"+$File+".bak"Write-Host $FileBackup-SPSite http://ssp:84 -Path  $File