go reflection example

go-reflection.go

package main

import (
	"fmt"
	"reflect"
)

type User struct {
	Name string
	Age  int
}

func Reflect(u interface{}) {
	val := reflect.ValueOf(u).Elem()

	for i := 0; i < val.NumField(); i++ {
		valueField := val.Field(i)
		typeField := val.Type().Field(i)
		tag := typeField.Tag

		fmt.Printf("Field Name: %s,\t Field Value: %v,\t Tag Value: %s\n", typeField.Name, valueField.Interface(), tag.Get("tag_name"))
	}
}

func main() {

	var b User
	b.Name = "a"
	Reflect(&b)
}