[TOC] ## 守护其他进程的代码 ``` func main() { file, e := os.Create("angel.txt") if err != nil { os.Exit(1) } defer lf.Close() // 日志 l := log.New(lf, "", os.O_APPEND) for { cmd := exec.Command("/usr/local/bin/node", "/*****.js") err := cmd.Start() if err != nil { l.Printf("%s 启动命令失败", time.Now().Format("2006-01-02 15:04:05"), err) time.Sleep(time.Second * 5) continue } l.Printf("%s 进程启动", time.Now().Format("2006-01-02 15:04:05"), err) err = cmd.Wait() l.Printf("%s 进程退出", time.Now().Format("2006-01-02 15:04:05"), err) time.Sleep(time.Second * 1) } } ```