package main
import (
"flag"
"fmt"
)
var (
host *string
port int
)
func init() {
host = flag.String("host", "ali", "域名")
flag.IntVar(&port, "port", 8080, "端口")
}
func main() {
flag.Parse()
fmt.Println(*host)
fmt.Println(port)
}
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