reflect.go

reflect.go

package main

import (
    "fmt"
    "reflect"
)

type Post struct {
    Id int `field:"id"`
    Title string `field:"title"`
    Content string `field:"content"`
}

func main() {
    var post Post
    post.Id = 1
    post.Title = "hello"
    post.Content = "helloworld"

    t := reflect.TypeOf(post)
    for i := 0; i < t.NumField(); i++ {
        tag := t.Field(i).Tag
        fmt.Println(tag.Get("field"))
    }

}