go gin多層路由嵌套示例

package main

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

func main() {
  r := gin.Default()

  api := r.Group("api")
  v1 := api.Group("v1")
  v1.GET("user", func(c *gin.Context) {
    c.String(200, "多層router")
  })

  r.Run()
}