golang模拟QQ退出后自动重启

模拟QQ退出后自动重启，go build xxx.go 打包成exe运行。
processName 为你所需要的进程exe
processNamePath 为你所需要的进程路径

package main

import (
   "bytes"
   "errors"
   "fmt"
   "os"
   "os/exec"
   "regexp"
   "strconv"
   "time"
)

var processName = "QQ.exe"
var processNamePath = "D:\\Program Files (x86)\\Tencent\\QQ\\Bin\\"

func findProcessID(processName string) (int, error) {
   buf := bytes.Buffer{}
   cmd := exec.Command("wmic", "process", "get", "name,processid")
   cmd.Stdout = &buf
   cmd.Run()

   cmd2 := exec.Command("findstr", processName)
   cmd2.Stdin = &buf
   data, _ := cmd2.CombinedOutput()
   if len(data) == 0 {
      return -1, errors.New("not find")
   }
   info := string(data)
   reg := regexp.MustCompile(`[0-9]+`)
   pid := reg.FindString(info)
   return strconv.Atoi(pid)
}

func getNowTime() string {
   timeNow := time.Now().Format("2006-01-02 15:04:05")
   return timeNow
}

func main() {
   pid, err := findProcessID(processName)
   if pid > 0 {
      fmt.Println("time:", getNowTime())
      fmt.Println(processName+" processID：", pid, " is running")
   }
   if err == nil {
      process, err := os.FindProcess(pid)
      if err != nil {
         fmt.Println("get process err:", err)
         return
      }
      process.Wait()
   }
   attr := &os.ProcAttr{
      Files: []*os.File{os.Stdin, os.Stdout, os.Stderr},
      Env:   os.Environ(),
   }
   for {
      _, err := findProcessID(processName)
      if err != nil {
         p, err := os.StartProcess(processNamePath+processName, []string{}, attr)
         if err != nil {
            fmt.Println("err:", err)
            return
         }
         fmt.Println("time:", getNowTime())
         fmt.Println(processName+" restart pid:", p.Pid)
         p.Wait()
         time.Sleep(1 * time.Second)
         fmt.Println("start ", processName)
      }
   }
}