Windows系统端口占用情况检查脚本

function checkPid($result,$port){
    $port = $port.split(":")[1]
    if(($result.split())[6].split(":")[($result.split())[6].split(":").Count-1] -eq $port){
        $tPid = ($result.split())[($result.split()).count-1]
        if($tPid -ne "0"){
            Write-Host "您查询的端口被以下程序占用：" -ForegroundColor Red
            $target = tasklist|findstr $tPid
            Write-Host $target
            $sig = $true
        }else{
            $sig = $false
        } 
    }else{
        $sig = $false
    }
    $sig
}
function checkPort($port){
    $port = ":" + $port
    $results = netstat -ano|findstr $port
    if($results.count -gt 0){
        if($results.count -eq 1){
            $sig = checkPid $results $port
            if($sig -eq $false){
                Write-Host "您所查询的端口未被占用！" -ForegroundColor Green
            }
        }else{
            foreach($result in $results){
                if($result){
                   $sig = checkPid $result $port
                   if($sig -eq $true){
                       break
                   }
                }
            }
            if($sig -eq $false){
                Write-Host "您所查询的端口未被占用！" -ForegroundColor Green        
            }
        }
    }else{
        Write-Host "您所查询的端口未被占用！" -ForegroundColor Green
    }
}
$port = $null
while($port -ne "exit()"){
    $port = Read-Host "请输入要查询的端口号"
    if($port -eq "exit()"){
        break
    }
    checkPort $port
}