#设置线程数量$throttleLimit = 10$SessionState = [system.management.automation.runspaces.initialsessionstate]::CreateDefault()$Pool = [runspacefactory]::CreateRunspacePool(1, $throttleLimit, $SessionState, $Host)$Pool.Open()#url configure$urlFile="D:\url.csv"$ScriptBlock = {	param($urlinfo)    function Send-Mail{        $Subject=$args[0]        $Body=$args[2]        $to=$args[1]        if($Subject -eq $null -or $Body -eq $null -or $to -eq $null){            Write-Warning 参数丢失！            return $false        }        $password = ConvertTo-SecureString 'password' -AsPlainText -Force        $Credential = New-Object System.Management.Automation.PSCredential('account',$password)        $SmptServer="smtp.xxxx.com"        $From="user@xxxx.com"        #$To="to@xxxx.com"        $port="25"        $encode=[system.text.encoding]::Default        Send-MailMessage -SmtpServer $SmptServer -Port $port -Credential $Credential -From $From -Encoding $encode -to $To -Body $Body -Subject $Subject -BodyAsHtml -Priority High    }    function Invoke-url($urlinfo){        $project=$urlinfo.project        $url=$urlinfo.url        $monitor=$urlinfo.monitor        $notice=$urlinfo.to        if($notice -match ","){            $notice=$notice.split(",")        }        $checknums=$urlinfo.checknums        $nterval=$urlinfo.nterval        $script:j=0        $xmlhttp=New-Object -ComObject Microsoft.XMLHTTP        if($url -ne $null -and $monitor -ne 'n'){            $xmlhttp.open("get",$url,$false)            try{$xmlhttp.send()}catch{}            if($xmlhttp.status -ne 200 -or $xmlhttp.readyState -ne 4){                $j++                if($j -le $checknums){                    sleep $nterval                    invoke-url $urlinfo                }else{                    $status=$xmlhttp.status                    if($status -eq $null){                        return $false                    }                    Send-Mail "Request $url failed,the status is $status" $notice "                    
     
                          table.gridtable {	                    font-family: verdana,arial,sans-serif;	                    font-size:11px;	                    color:#333333;	                    border-width: 1px;	                    border-color: #666666;	                    border-collapse: collapse;                    }                    table.gridtable th {	                    border-width: 1px;	                    padding: 8px;	                    border-style: solid;	                    border-color: #666666;	                    background-color: #dedede;                    }                    table.gridtable td {	                    border-width: 1px;	                    padding: 8px;	                    border-style: solid;	                    border-color: #666666;	                    background-color: #ffffff;                    }                                        
      
       System Name                             Page                             Http Code                             Check Times                             Interval(s)                         $Project                             $Url                             
       
        $Status                             $checknums                             $Nterval                                        "                }            }        }    }    Invoke-url $urlinfo}$urllist=Import-Csv $urlFile -Encoding OEM$threads = @()$handles = $urllist|    foreach {	    $powershell = [powershell]::Create().AddScript($ScriptBlock).AddArgument($_)	    $powershell.RunspacePool = $Pool	    $powershell.BeginInvoke()        $threads += $powershell    }do {    $i = 0    $done = $true    foreach ($handle in $handles) {        if ($handle -ne $null) {  	        if ($handle.IsCompleted) {                $threads[$i].EndInvoke($handle)                $threads[$i].Dispose()                $handles[$i] = $null            } else {                $done = $false            }        }        $i++    }if (-not $done) { Start-Sleep -Milliseconds 500 }} until ($done)