``` package main import ( "fmt" "net" ) func HandlerConnect(conn net.Conn) { defer conn.Close() //1.獲取客戶端ip地址 addr := conn.RemoteAddr() fmt.Println("client ip : ", addr) //2.循環讀取客戶端發送數據 buf := make([]byte, 4096) for{ n, err := conn.Read(buf) if err != nil { fmt.Println("conn read err : ", err) return } if n == 0 { fmt.Println("檢測到客戶端已關閉, 斷開連接") } if "exit\n" == string(buf[:n]) || "exit\r\n" == string(buf[:n]) { fmt.Println("接收到客戶端退出請求") return } fmt.Println("client said : ", string(buf[:n])) conn.Write([]byte(string(buf[:n]))) } } func main() { lisenter, err := net.Listen("tcp", "127.0.0.1:8080") if err != nil{ fmt.Println("listen err : ", err) return } defer lisenter.Close() for { fmt.Println("服務器等待客戶端連接.....") conn, err := lisenter.Accept() if err!=nil { fmt.Println("accept err : ", err) return } go HandlerConnect(conn) } } ```