powershell Powershell脚本遍历提升列表中的所有项目，并替换图片和链接。这遍历了所有

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Add-PsSnapin Microsoft.SharePoint.PowerShell

$TopSiteUrl = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/KNP/Cells'
$CellImage = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/KNP/Cells/SiteAssets'
$topSite = Get-SPWeb $TopSiteUrl
foreach($s in $topSite.Webs)
{
	$site = Get-SPweb $s.URL
    $site.Name
	$mList=$site.Lists["Linksb"]

    $i = 0
    while($i -le 5){
	    "-------------------------------------------"
	    $Item0 = $mList.Items[$i]
        switch($Item0.DisplayName)
        {
            'Equipment Master List' {
                $Itemx = $mList.Items[$i]
                $Itemx['BackgroundImageLocation'] = $s.URL + '/SiteAssets/masterlist.jpg, Master List'
                $Itemx["LinkLocation"] = $s.URL + '/Master List/Forms/AllItems.aspx, Master List'
                $Itemx.Update()
            }
            'Facility Maps' {
                $Item1 = $mList.Items[$i]
                $Item1['BackgroundImageLocation'] = $s.URL + '/SiteAssets/FacilityMaps.jpg, Facility Maps'
                $Item1["LinkLocation"] = $s.URL + '/Facility Maps/Forms/AllItems.aspx, Facility Maps'
                $Item1.Update()
            }
            'Chemicals' {
                $Item2 = $mList.Items[$i]
                $Item2['BackgroundImageLocation'] = $s.URL + '/SiteAssets/Chemical.jpg, Chemicals'
                $Item2["LinkLocation"] = $s.URL + '/Chemicals/Forms/AllItems.aspx, Chemicals'
                $Item2.Update()
            }
            'JSA' {
                $Item3 = $mList.Items[$i]
                $Item3['BackgroundImageLocation'] = $s.URL + '/SiteAssets/jsa.jpg, JSA'
                $Item3["LinkLocation"] = $s.URL + '/JSA/Forms/AllItems.aspx, JSA'
                $Item3.Update()
            }
            'LOTO' {
                $Item4 = $mList.Items[$i]
                $Item4['BackgroundImageLocation'] = $s.URL + '/SiteAssets/loto.jpg, LOTO'
                $Item4["LinkLocation"] = $s.URL + '/LOTO/Forms/AllItems.aspx, LOTO'
                $Item4.Update()
            }
        }
        $i++
    }
}
Add-PsSnapin Microsoft.SharePoint.PowerShell

$TopSiteUrl = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/FMS/Cells'
$CellImage = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/FMS/Cells/SiteAssets'
$topSite = Get-SPWeb $TopSiteUrl
foreach($s in $topSite.Webs)
{
	$site = Get-SPweb $s.URL
    $site.Name
	$mList=$site.Lists["Linksc"]

	$Itemx = $mList.Items[0]
                $Itemx['BackgroundImageLocation'] = $s.URL + '/SiteAssets/cells.png, Cells'
                $Itemx["LinkLocation"] = $TopSiteUrl + ', Cells'
                $Itemx.Update()
}

Add-PsSnapin Microsoft.SharePoint.PowerShell

$TopSiteUrl = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/InternationalSafety/Fibrelite2/Cells'
$CellImage = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/InternationalSafety/Fibrelite2/Cells/SiteAssets'
$topSite = Get-SPWeb $TopSiteUrl
foreach($s in $topSite.Webs)
{
	$site = Get-SPweb $s.URL
    $site.Name
	$mList=$site.Lists["Linksb"]

    $i = 0
    while($i -le 5){
	    "-------------------------------------------"
	    $Item0 = $mList.Items[$i]
        switch($Item0.DisplayName)
        {
            'Equipment Master List' {
                $Itemx = $mList.Items[$i]
                $Itemx['BackgroundImageLocation'] = $s.URL + '/SiteAssets/masterlist.jpg, Master List'
                $Itemx["LinkLocation"] = $s.URL + '/Master List/Forms/AllItems.aspx, Master List'
                $Itemx.Update()
            }
            'Facility Maps' {
                $Item1 = $mList.Items[$i]
                $Item1['BackgroundImageLocation'] = $s.URL + '/SiteAssets/FacilityMaps.jpg, Facility Maps'
                $Item1["LinkLocation"] = $s.URL + '/Facility Maps/Forms/AllItems.aspx, Facility Maps'
                $Item1.Update()
            }
            'Chemicals' {
                $Item2 = $mList.Items[$i]
                $Item2['BackgroundImageLocation'] = $s.URL + '/SiteAssets/Chemical.jpg, Chemicals'
                $Item2["LinkLocation"] = $s.URL + '/Chemicals/Forms/AllItems.aspx, Chemicals'
                $Item2.Update()
            }
            'JSA' {
                $Item3 = $mList.Items[$i]
                $Item3['BackgroundImageLocation'] = $s.URL + '/SiteAssets/jsa.jpg, JSA'
                $Item3["LinkLocation"] = $s.URL + '/JSA/Forms/AllItems.aspx, JSA'
                $Item3.Update()
            }
            'LOTO' {
                $Item4 = $mList.Items[$i]
                $Item4['BackgroundImageLocation'] = $s.URL + '/SiteAssets/loto.jpg, LOTO'
                $Item4["LinkLocation"] = $s.URL + '/LOTO/Forms/AllItems.aspx, LOTO'
                $Item4.Update()
            }
        }
        $i++
    }
}
Add-PsSnapin Microsoft.SharePoint.PowerShell

$TopSiteUrl = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/InternationalSafety/Fibrelite2/Cells'
$CellImage = 'http://portal.opwftg.com/sites/OPWSS/Teams/Safety/InternationalSafety/Fibrelite2/Cells/SiteAssets'
$topSite = Get-SPWeb $TopSiteUrl
foreach($s in $topSite.Webs)
{
	$site = Get-SPweb $s.URL
    $site.Name
	$mList=$site.Lists["Linksb"]

	"-------------------------------------------"
	$Item0 = $mList.Items[0]
    $Item0['BackgroundImageLocation'] = $s.URL + '/SiteAssets/masterlist.jpg, Master List'

    $Item0["LinkLocation"] = $s.URL + '/Master List/Forms/AllItems.aspx, Master List'
    $Item0.Update()
	
	"-------------------------------------------"
	$Item1 = $mList.Items[1]
    $Item1['BackgroundImageLocation'] = $s.URL + '/SiteAssets/FacilityMaps.jpg, Facility Maps'

    $Item1["LinkLocation"] = $s.URL + '/Facility Maps/Forms/AllItems.aspx, Facility Maps'
    $Item1.Update()
	
	"-------------------------------------------"
	$Item2 = $mList.Items[2]
    $Item2['BackgroundImageLocation'] = $s.URL + '/SiteAssets/Chemical.jpg, Chemicals'

    $Item2["LinkLocation"] = $s.URL + '/Chemicals/Forms/AllItems.aspx, Chemicals'
    $Item2.Update()
	
	"-------------------------------------------"
	$Item3 = $mList.Items[3]
    $Item3['BackgroundImageLocation'] = $s.URL + '/SiteAssets/jsa.jpg, JSA'

    $Item3["LinkLocation"] = $s.URL + '/JSA/Forms/AllItems.aspx, JSA'
    $Item3.Update()
	
	"-------------------------------------------"
	$Item4 = $mList.Items[4]
    $Item4['BackgroundImageLocation'] = $s.URL + '/SiteAssets/loto.jpg, LOTO'

    $Item4["LinkLocation"] = $s.URL + '/LOTO/Forms/AllItems.aspx, LOTO'
    $Item4.Update()
}

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