需求：实现一个WebSocket服务器与客户端，允许客户端与服务器进行双向实时通信。代码：WebSocket服务器代码：package main
import (
"fmt"
"log"
"net/http"
"github.com/gorilla/websocket"
)
// WebSocket upgrader to upgrade HTTP connections to Web
需求：实现一个基于WebSocket的聊天服务，允许多个客户端之间实时通信。代码：package main
import (
"fmt"
"log"
"net/http"
"github.com/gorilla/websocket"
)
// WebSocket upgrader to upgrade the HTTP connection to WebSocket
var upgra
