func?WsHandle(writer?http.ResponseWriter,?request?*http.Request)?{

???var?(
??????conn????????*websocket.Conn
??????err?????????error
??????messageType?int
??????data????????[]byte
???)
???if?conn,?err?=?upgrader.Upgrade(writer,?request,?nil);?err?!=?nil?{
??????goto?ERR
???}
???for?{
??????fmt.Printf("connection:??%v",?conn)
??????if?messageType,?data,?err?=?conn.ReadMessage();?err?!=?nil?{
?????????goto?ERR
??????}
??????switch?messageType?{

??????case?websocket.TextMessage:
?????????fmt.Println(string(data))
?????????if?err?=?conn.WriteMessage(websocket.TextMessage,?data);?err?!=?nil?{
????????????goto?ERR
?????????}
?????????break
??????case?websocket.BinaryMessage:
?????????break
??????}
???}

ERR:
???conn.Close()
}