/// <summary>
/// 移除观察者
/// </summary>
public void DeleteObserver(EmailReceiveObserver observer)
{
if (this.observers != null)
{
this.observers.Remove(observer);
}
}
/// <summary>
/// 添加观察者
/// </summary>
public void AddObserver(EmailReceiveObserver observer)
{
if (this.observers != null)
{
observers.Add(observer);
}
}