gcmd_practise1.go

package main

// ./gcmd_practise1 http my-http-server -p 8199

import (
	"context"

	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/net/ghttp"
	"github.com/gogf/gf/v2/os/gcmd"
	"github.com/gogf/gf/v2/os/gctx"
)

type cMain struct {
	g.Meta `name:"main" brief:"start http server"`
}

type cMainHttpInput struct {
	g.Meta `name:"http" brief:"start http server"`
	Name   string `v:"required" name:"NAME" arg:"true" brief:"server name"`
	Port   int    `v:"required" short:"p" name:"port"  brief:"port of http server"`
}
type cMainHttpOutput struct{}

func (c *cMain) Http(ctx context.Context, in cMainHttpInput) (out *cMainHttpOutput, err error) {
	s := g.Server(in.Name)
	s.BindHandler("/", func(r *ghttp.Request) {
		r.Response.Write("Hello world")
	})
	s.SetPort(in.Port)
	s.Run()
	return
}

func main() {
	cmd, err := gcmd.NewFromObject(cMain{})
	if err != nil {
		panic(err)
	}
	cmd.Run(gctx.New())
}