golang：grpc呼叫超时

grpc.WithTimeout(5 * time.Second)MaxDelaygrpc.WithBackoffConfig(b)

clientConn,err := grpc.Dial(serverAddress,grpc.WithTimeout(5 * time.Second),grpc.WithInsecure())
if err != nil {
        log.Println("Dial failed!")
        return err
}

DialContextcontext.WithTimeout

ctx,_ := context.WithTimeout(context.Background(),5*time.Second)

clientConn,err := grpc.DialContext(ctx,serverAddress,grpc.WithInsecure())
if err != nil {
    log.Println("Dial failed!")
    return err
}