standard/print/printf/main.go

package main

import (
	"bytes"
	"encoding/json"
	"fmt"
	huge "github.com/dablelv/go-huge-util"
)

// Student 学生信息
type Student struct {
	Name string
	Addr HomeInfo
	M    map[string]string
}

// HomeInfo 家庭住址
type HomeInfo struct {
	Province     string
	City         string
	County       string
	Street       string
	DetailedAddr string
}

var student = Student{
	Name: "dablelv",
	Addr: HomeInfo{
		Province:     "Guangdong",
		City:         "Shenzhen",
		County:       "Baoan",
		Street:       "Xixiang",
		DetailedAddr: "Shengtianqi",
	},
	M: map[string]string{
		"hobby": "pingpopng",
	},
}

func main() {
	fmt.Printf("student=%+v\n", student)

	bs, _ := json.Marshal(student)
	var out bytes.Buffer
	json.Indent(&out, bs, "", "\t")
	fmt.Printf("student=%v\n", out.String())

	s, _ := huge.ToIndentJSON(&student)
	fmt.Printf("student=%v\n", s)
}