package main

import (
	"encoding/json"
	"fmt"
	"log"
)

type Movie struct {
	Title  string
	Year   int  `json:"released"`
	Color  bool `json:"color,omitempty"` //omitempty 当Color为空时，json中就不显示，color表示Json编码后Color在json中的名称
	Actors []string
}

var movies = []Movie{
	{Title: "cascblacn", Year: 1942, Color: false,
		Actors: []string{"Humphrey Bogart", "Ingrid Bergman"}},
	{Title: "Cool Hand Luke", Year: 1967, Color: true,
		Actors: []string{"Humphrey Bogart", "Ingrid Bergman"}},
	{Title: "Bullitt", Year: 1968, Color: true,
		Actors: []string{"Steve McQueen Bogart", "Ingrid Bergman"}},
}

func main() {
	//Marshal 返回的时一个编码后的字节slice,包含很长的字符串
	//这一步时编码的过程，把struct -->json
	data, err := json.Marshal(movies)

	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(string(data))

	//这一步时编码的过程，把struct -->json
	data, err = json.MarshalIndent(movies, "", "  ")
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(string(data))
}