C#运算符重载和转换运算符实例(两个结构)

mac2022-06-30  25

struct Celsius {   private float degrees;   public float Degrees   {     get { return this.degrees; }   } public Celsius(float temp) {   this.degrees = temp;   Console.WriteLine("这是摄氏温度的构造!"); } public static Celsius operator +(Celsius x, Celsius y)//重载+运算符 {   return new Celsius(x.degrees + y.degrees); } public static Celsius operator -(Celsius x, Celsius y)//重载-运算符 {   return new Celsius(x.degrees - y.degrees); } /// <summary> /// 隐式将Celsius转换成float /// </summary> /// <param name="c">Celsius类型参数</param> /// <returns>float类型返回值</returns> public static implicit operator float(Celsius c) {   return c.Degrees; } /// <summary> /// 隐式的将float转换成Celsius /// </summary> /// <param name="f">float类型参数</param> /// <returns>Celsius类型返回值</returns> public static implicit operator Celsius(float f) {   Celsius c = new Celsius(f);   return c; } /// <summary> /// 转换运算符,显示的将Celsius类型转换成Fahrenheit类型 /// </summary> /// <param name="c">Celsius类型参数</param> /// <returns>Fahrenheit类型返回值</returns> /// public static explicit operator Fahrenheit(Celsius c) {   float fl=((9.0f / 5.0f) * c.Degrees + 32);//Celsius类型转换成Fahrenheit的规则   Fahrenheit f = new Fahrenheit(fl);   return f; } public override string ToString()//重写ToString {   return this.Degrees.ToString(); } } struct Fahrenheit {   private float degrees;    public float Degrees   {     get { return this.degrees; }   } public Fahrenheit(float temp) {   this.degrees = temp;   Console.WriteLine("这是华氏温度的构造!"); } public static Fahrenheit operator +(Fahrenheit x, Fahrenheit y) {   return new Fahrenheit(x.degrees + y.degrees); } public static Fahrenheit operator -(Fahrenheit x, Fahrenheit y) {   return new Fahrenheit(x.degrees - y.degrees); } public static implicit operator float(Fahrenheit c) {   return c.Degrees; } public static implicit operator Fahrenheit(float f) {   Fahrenheit fa = new Fahrenheit(f);   return fa; } public static explicit operator Celsius(Fahrenheit f) {   float fl = (5.0f / 9.0f) * (f.Degrees - 32);   Celsius c = new Celsius(fl);   return c; } public override string ToString() {   return this.Degrees.ToString(); } } class Program { static void Main(string[] args) {   Fahrenheit f = new Fahrenheit(100f);   Console.WriteLine("{0} fahrenheit = {1} celsius", f.Degrees, (Celsius)f);   Celsius c = 32f;//隐式将float转换成celsius   Console.WriteLine("{0} celsius = {1} fahrenheit",c.Degrees,(Fahrenheit)c);   Fahrenheit f2 = f + (Fahrenheit)c;//验证Fahrenheit的+重载   Console.WriteLine("{0} + {1} = {2} fahernheit",f.Degrees,(Fahrenheit)c,f2.Degrees);   Fahrenheit f3 = 100f;//隐式将float转换成Fahrenheit   Console.WriteLine("{0} fahrenheit",f3.Degrees); } }

 

转载于:https://www.cnblogs.com/zrj-xjyd/p/4915565.html

相关资源:C#运算符重载用法实例分析
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