_, err := conn.Read(make([]byte, 0)) if err!=io.EOF{ // this connection is invalid logger.W("conn closed....",err) }else{ byt, _:= ioutil.ReadAll(conn); } 注意：net: don’t return io.EOF from zero byte reads issue 参考 https://stackoverflow.com/questions/12741386/how-to-know-tcp-connection-is-closed-in-net-package
示例 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 https://www.alexedwards.net/blog/i18n-managing-translations https://phrase.com/blog/posts/internationalisation-in-go-with-go-i18n/ https://lokalise.com/blog/go-internationalization-using-go-i18n/ https://go.googlesource.com/proposal/+/master/design/12750-localization.md