yamlmarshal.go

package main

import (
	"fmt"
	"gopkg.in/yaml.v3"
)



type Users struct {
	Name   string      `yaml:"name"`
	Age    int8        `yaml:"age"`
	Address  string `yaml:"address"`
	Hobby []string `yaml:"hobby"`
}


func main() {
	wanger := Users{
		Name: "wanger",
		Age:  24,
		Address: "beijing",
		Hobby: []string{"literature", "social"},
	}
	dongdong := Users{
		Name: "冬哥",
		Age:  30,
		Address: "chengdu",
		Hobby: []string{"basketball", "guitar"},
	}
	xialaoshi := Users{
		Name: "夏老师",
		Age:  29,
		Address: "chengdu",
		Hobby: []string{"吃吃喝喝"},
	}
	huazai := Users{
		Name: "华子",
		Age:  28,
		Address: "shenzhen",
		Hobby: []string{"王者荣耀"},
	}
	qiaoke := Users{
		Name: "乔克",
		Age:  30,
		Address: "chongqing",
		Hobby: []string{"阅读", "王者荣耀"},
	}
	jiangzong := Users{
		Name: "姜总",
		Age:  25,
		Address: "shanghai",
		Hobby: []string{"钓鱼","音乐","美食","酒"},
	}
	zhengge := Users{
		Name: "郑哥",
		Age:  30,
		Address: "beijing",
		Hobby: []string{"阅读", "复读机"},
	}
    userlist:=[7]Users{wanger,dongdong,huazai,qiaoke,xialaoshi,jiangzong,zhengge}

	yamlData, err := yaml.Marshal(&userlist)

	if err != nil {
		fmt.Printf("Error while Marshaling. %v", err)
	}

	fmt.Println(string(yamlData))
    fileName := "test.yaml"
    err = ioutil.WriteFile(fileName, yamlData, 0644)
    if err != nil {
        panic("Unable to write data into the file")
    }
}