Update: websocket 服务端

go.mod

@@ -0,0 +1,5 @@
+module go-websocket
+
+go 1.25.5
+
+require github.com/gorilla/websocket v1.5.3 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aNNg=
+github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=

main.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"github.com/gorilla/websocket"
+)
+
+var upgrader = websocket.Upgrader{
+	ReadBufferSize: 1024,
+	WriteBufferSize: 1024,
+	CheckOrigin: func(r *http.Request) bool {
+		return true
+	},
+}
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	conn, err := upgrader.Upgrade(w, r, nil)
+	if err != nil {
+		log.Println("Upgrade error:", err)
+		return
+	}
+	defer conn.Close()
+	log.Println("欢迎来到小酒馆！！")
+
+	for {
+		// read message
+		messageType, message, err := conn.ReadMessage()
+		if err != nil {
+			log.Println("拜拜了您嘞")
+			break
+		}
+
+		log.Printf("听到了听到了，您说的是 %s", message)
+		err = conn.WriteMessage(messageType, []byte("好嘞"))
+		if err != nil {
+			log.Println("啥玩意咋走了", err)
+			break
+		}
+	}
+}
+
+func main() {
+	http.HandleFunc("/ws", handler)
+	log.Println("好戏开场")
+	err := http.ListenAndServe(":8080", nil)
+
+	if err != nil {
+		log.Fatal("下回见伙计们", err)
+	}
+}