package main

import (
    "flag"
    "fmt"
    "log"
    "os"
    "os/exec"
    "syscall"
)

func main() {

    var app string
    var logfile string

    flag.StringVar(&app,"a","cloudreve","应用程序")
    flag.StringVar(&logfile, "f", "exec.log", "stdout 重定向文件")
    flag.Parse()

    fmt.Println("daemonlize ", app)
    cmd := exec.Command(app)
    cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow:true}
    f, _ := os.OpenFile(logfile, os.O_WRONLY|os.O_CREATE|os.O_APPEND|os.O_SYNC,0755)
    cmd.Stdout = f
    cmd.Stderr = f
    err := cmd.Start()
    if err != nil {
        log.Fatal(err)
    }
    log.Printf("Waiting for command to finish...")
    err = cmd.Wait()
    log.Printf("Command finished with error: %v", err)
}

编译

go install -ldflags -H=windowsgui