Config 代码片段

     class Config
     {
         private static Config _instance = null;

         public static Config Instance
         {
             get
             {
                 if (_instance==null)
                 {
                     _instance = new Config() {};
                     string filepath = AppDomain.CurrentDomain.BaseDirectory + "Config.txt";
                     if (File.Exists(filepath))
                     {
                         _instance = File.ReadAllText(filepath, Encoding.UTF8).FromJson<Config>();
                     }
                 }
                 return _instance;
             }
             set { _instance = value; }
         }

         public void SaveInstance()
         {
             string filepath = AppDomain.CurrentDomain.BaseDirectory + "Config.txt";
             File.WriteAllText(filepath, _instance.ToJson(), Encoding.UTF8);
         }

         public string MesServerUrl { get; set; } = "localhost:8080/Mes";

         public long HangerOneId { get; set; } = ;// 吊挂产线1的ID

         public long HangerTwoId { get; set; } = ;// 吊挂产线2的ID

     }