C# 服务器端验证用户名和密码输入是否正确实现

    static void Main(string[] args)
    {

        Console.WriteLine(user("k", "1"));
        Console.WriteLine(user("天下", "000"));
        Console.ReadKey();

    }



    static bool user(string username, string password)
    {
        string connectstr = "server=127.0.0.1;port=3306;database=mygame;user=root;password=1234";
        MySqlConnection connection = new MySqlConnection(connectstr);
        connection.Open();
        try
        {
            string str = "select *from users where username=@kk and password=@pp";
            MySqlCommand command = new MySqlCommand(str, connection);
            command.Parameters.AddWithValue("kk", username);
            command.Parameters.AddWithValue("pp", password);
            MySqlDataReader reader = command.ExecuteReader();

            if (reader.Read())
            {
                return true;
            }
        }
        catch (Exception e)
        {
            Console.WriteLine(e);
        }

        return false;
    }