Function killProcessByPortSync

frontend/src/main/backend.ts:662–709

(port: number)

// 同步方式通过端口杀死进程
function killProcessByPortSync(port: number) {
  const { execSync } = require('child_process')

  try {
    if (process.platform === 'win32') {
      // Windows
      const output = execSync(`netstat -ano | findstr :${port}`, { encoding: 'utf8', timeout: 3000 })
      const lines = output.split('\n')
      const pids = new Set()

      lines.forEach((line) => {
        const match = line.match(/\s+(\d+)\s*$/)
        if (match && match[1] !== '0') {
          pids.add(match[1])
        }
      })

      pids.forEach((pid) => {
        try {
          logToBackendFile(`Sync killing process on port ${port}, PID: ${pid}`)
          execSync(`taskkill /PID ${pid} /F`, { timeout: 3000 })
          logToBackendFile(`Successfully killed PID ${pid}`)
        } catch (e) {
          logToBackendFile(`Failed to kill PID ${pid}: ${e}`)
        }
      })
    } else {
      // Unix/Linux/macOS
      const output = execSync(`lsof -ti:${port}`, { encoding: 'utf8', timeout: 3000 })
      const pids = output
        .trim()
        .split('\n')
        .filter((pid) => pid)

      pids.forEach((pid) => {
        try {
          logToBackendFile(`Sync killing process on port ${port}, PID: ${pid}`)
          process.kill(parseInt(pid), 'SIGKILL')
          logToBackendFile(`Successfully killed PID ${pid}`)
        } catch (e) {
          logToBackendFile(`Failed to kill PID ${pid}: ${e}`)
        }
      })
    }
  } catch (error: any) {
    logToBackendFile(`No process found on port ${port} or error: ${error.message}`)
  }
}

// 获取当前后端端口号
export function getBackendPort(): number {