go struct 自定义标签获取

package main

import (

"fmt"

"reflect"

)

type Test struct {

Id int `json:"user_id"`

Name string "this is name"

}

func main() {

t := Test{Id: 1, Name: "xiaochuan"}

r := reflect.TypeOf(t)

fmt.Println()

fmt.Printf("Id Tag is %s \n", r.Field(0).Tag)

fmt.Println()

fmt.Printf("Name Tag is %s \n", r.Field(1).Tag)

}