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)
}