c#读取类库配置文件方法

                AppDomain appDomain = AppDomain.CurrentDomain;
                Configuration config = ConfigurationManager.OpenExeConfiguration(Path.Combine(appDomain.BaseDirectory, "XXX.dll"));
                XXX= int.Parse(config.AppSettings.Settings["XXX"].Value);
                XXX= int.Parse(config.AppSettings.Settings["XXX"].Value);
                XXX= int.Parse(config.AppSettings.Settings["XXX"].Value);
                XXX= int.Parse(config.AppSettings.Settings["XXX"].Value);