SQL 转 Go Struct

package model

import "time"

type Users struct {
	Id        int64    `db:"id" json:"id"`
	NickName  string   `db:"nick_name" json:"nick_name"`
	Age       *int32   `db:"age" json:"age"`
	Balance   float64  `db:"balance" json:"balance"`
	CreatedAt time.Time`db:"created_at" json:"created_at"`
}