53 lines
1.2 KiB
C#
53 lines
1.2 KiB
C#
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namespace Lesson13_事件练习
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{
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class Heater
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{
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public event Action<int> Boiled;
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private int temperature = 25;
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public void AddHeat()
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{
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while (temperature != 100)
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{
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temperature += 1;
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Console.WriteLine("目前水温：" + temperature);
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Thread.Sleep(20);
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if(temperature >= 95)
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{
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if (Boiled != null)
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{
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Boiled(temperature);
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}
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Boiled = null;
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}
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}
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}
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}
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class Alarm
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{
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public void ShowInfo(int value)
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{
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Console.WriteLine("报警器：" + value + "度");
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}
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}
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class Displayer
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{
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public void Showinfo(int value)
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{
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Console.WriteLine("显示器：" + value + "度");
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}
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}
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class Program
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{
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static void Main(string[] args)
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{
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Heater h = new Heater();
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Alarm a = new Alarm();
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Displayer d = new Displayer();
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h.Boiled += a.ShowInfo;
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h.Boiled += d.Showinfo;
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h.AddHeat();
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}
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}
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}
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