golang命令行参数

package main

import (
    "flag"
    "fmt"
    "os"
)

func main() {
    //args
    fmt.Println("test os args",os.Args,len(os.Args))
    //flag
    abool := flag.Bool("bool",false,"a bool")
    times := flag.Int("times",1,"run times")
    port := flag.String("port",":6060","run port")

    var bookName string
    flag.StringVar(&bookName,"book","风声","book name")

    flag.Parse()
    fmt.Println("abool:",*abool)
    fmt.Println("times:",*times)
    fmt.Println("port:",*port)
    fmt.Println("bookName:",bookName)
}