simple_gin.go

simple_gin_http.go

package main

import (
	"net"
	"time"

	"github.com/gin-gonic/gin"
)

func rootHandler(context *gin.Context) {
	current_time := time.Now()
	current_time.Format("20060102150405")
	context.JSON(200, gin.H{
		"current_time": current_time,
		"ip":           GetLocalIP(),
	})
}

func main() {
	router := gin.Default()
	router.GET("/", rootHandler)
	router.Run()
}

func GetLocalIP() string {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		return ""
	}
	for _, address := range addrs {
		// check the address type and if it is not a loopback the display it
		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
			if ipnet.IP.To4() != nil {
				return ipnet.IP.String()
			}
		}
	}
	return ""
}