package main

import (
	"fmt"

	"golang.org/x/text/language"
	"golang.org/x/text/message"
	"golang.org/x/text/message/catalog"
)

func main() {
	builder := catalog.NewBuilder()
	chTag:=language.Make("zh_Hans")
	engTag:=language.Make("en")
	builder.SetString(chTag,"hello","您好")
	builder.SetString(engTag,"hello","Hello")
	fmt.Println(builder.Languages())
	option := message.Catalog(builder)
	p := message.NewPrinter(chTag,option)
	p.Printf("hello")

	p2 := message.NewPrinter(engTag,option)
	p2.Printf("hello")
}

参考

https://zyfdegh.github.io/post/201805-translation-go-i18n/