[TOC] > [github](https://github.com/nhooyr/websocket) ## 安裝 `go get nhooyr.io/websocket` ## 實例 [官方 chat-example](https://github.com/nhooyr/websocket/blob/master/chat-example) Server ``` http.HandlerFunc(func (w http.ResponseWriter, r *http.Request) { c, err := websocket.Accept(w, r, nil) if err != nil { // ... } defer c.Close(websocket.StatusInternalError, "the sky is falling") ctx, cancel := context.WithTimeout(r.Context(), time.Second*10) defer cancel() var v interface{} err = wsjson.Read(ctx, c, &v) if err != nil { // ... } log.Printf("received: %v", v) c.Close(websocket.StatusNormalClosure, "") }) ``` Client ``` ctx, cancel := context.WithTimeout(context.Background(), time.Minute) defer cancel() c, _, err := websocket.Dial(ctx, "ws://localhost:8080", nil) if err != nil { // ... } defer c.Close(websocket.StatusInternalError, "the sky is falling") err = wsjson.Write(ctx, c, "hi") if err != nil { // ... } c.Close(websocket.StatusNormalClosure, "") ```