/// <summary>
/// 通知
/// </summary>
/// <param name="sender">事件发送器</param>
/// <param name="e">评教事件参数</param>
public void Inform(object sender, EvaluateEventArgs e)
{
Student student = sender as Student;
Faculty faculty = e.Faculty;
WriteLine($"\n发送短信至手机{faculty.PhoneNumber}：学生{student.Name}已对您评教。\n");
}
public event EvaluateEventHandler EvaluateEvent; //定义事件；事件即多播委托；事件必须定义在类内部；
/// <summary>
/// 触发评教事件；
/// </summary>
/// <param name="faculty">教职工</param>
public void OnEvaluateEvent(Faculty faculty)
{
//if (this.EvaluateEvent != null) //若事件非空；
{
EvaluateEventArgs e = new EvaluateEventArgs(faculty); //创建评教事件参数；
this.EvaluateEvent?.Invoke(this, e); //触发事件，即调用多播委托中注册的所有事件处理函数；事件必须在类内部触发；
}
}
/// <summary>
/// 开放查询；
/// </summary>
/// <param name="sender">事件发送器</param>
/// <param name="e">评教事件参数</param>
public void Open(object sender, EvaluateEventArgs e)
{
this.HasEvaluated = true;
}