Golang gin框架：GET请求示例

package main

import (
  "net/http"

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

func main() {
  r := gin.Default()
  r.GET("/PING", func(ctx *gin.Context) {
    ctx.JSON(http.StatusOK, gin.H{
      "msg": "ok",
    })
  })
  r.Run()
}