gin框架練習（一）helloworld

安裝好gin後，main文件中如下：

package main

import (
	"net/http"
	"github.com/gin-gonic/gin"
)

func main() {
	router := gin.Default()
	router.GET("/", func(c *gin.Context) {
		c.String(http.StatusOK, "hello")
	})
	router.Run(":8080")
}

頁面打開localhost:8080即可