IDisposable接口

public class User
    {
        
        public int id { get; set; }

        public string name { get; set; }
 }

 public abstract class BaseService:IDisposable
    {
        /// <summary>
        /// 要释放的对象
        /// </summary>
        public IList<IDisposable> DisposablesObjects { get; private set; }
        public User LoginUser { get; set; }

        protected BaseService()
        {
            this.DisposablesObjects=new List<IDisposable>();
        }
        protected void AddDisposableObject(object obj)
        {
            IDisposable disposable = obj as IDisposable;
            if (null != disposable)
            {
                this.DisposablesObjects.Add(disposable);
            }
        }
        void IDisposable.Dispose()
        {
            foreach (IDisposable obj in this.DisposablesObjects)
            {
                if (null != obj)
                {
                    obj.Dispose();
                }
            }
        }
    }