# 按 Listen 端口终止进程树（含子进程）。默认 :3000 前端 / :3001 后端。
# 由 stop.bat 调用；也可直接：powershell -File stop.ps1

param(
  [int[]]$Ports = @(3000, 3001)
)

$ErrorActionPreference = 'SilentlyContinue'

foreach ($port in $Ports) {
  $pids = @(
    Get-NetTCPConnection -LocalPort $port -State Listen |
      Select-Object -ExpandProperty OwningProcess -Unique
  )
  if (-not $pids -or $pids.Count -eq 0) {
    Write-Host "  :$port 空闲"
    continue
  }
  foreach ($procId in $pids) {
    if ($procId -le 0) { continue }
    Write-Host "  :$port -> PID $procId (含子进程)"
    & taskkill.exe /T /F /PID $procId | Out-Null
  }
}