添加Lesson13

2025-10-17 11:48:41 +08:00
parent 657a23e681
commit be8eb0f422
5 changed files with 186 additions and 0 deletions
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
@@ -0,0 +1,52 @@
+namespace Lesson13_事件练习
+{
+    class Heater
+    {
+        public event Action<int> Boiled;
+        private int temperature = 25;
+        public void AddHeat()
+        {
+            while (temperature != 100)
+            {
+                temperature += 1;
+                Console.WriteLine("目前水温：" + temperature);
+                Thread.Sleep(20);
+                if(temperature >= 95)
+                {
+                    if (Boiled != null)
+                    {
+                        Boiled(temperature);
+                    }
+                    Boiled = null;
+                }
+            }
+        }
+    }
+    class Alarm
+    {
+        public void ShowInfo(int value)
+        {
+            Console.WriteLine("报警器：" + value + "度");
+        }
+    }
+    class Displayer
+    {
+        public void Showinfo(int value)
+        {
+            Console.WriteLine("显示器：" + value + "度");
+        }
+    }
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Heater h = new Heater();
+            Alarm a = new Alarm();
+            Displayer d = new Displayer();
+            h.Boiled += a.ShowInfo;
+            h.Boiled += d.Showinfo;
+
+            h.AddHeat();
+        }
+    }
+}