.net中的委托

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
//使用未命名委托来减少应用程序的复杂性
namespace AnonymousDelegates
{
    //定义委托
    delegate decimal CalculateBonus(decimal sales);
   
    //定义类
    class Employee
    {
        public string name;
        public decimal sales;
        public decimal bonus;
        public CalculateBonus calcalation_algorithm;
    }
    class MyTest
    {

        static void Main(string[] args)
        {
            decimal multiplier = 2;
            CalculateBonus standard_bonus = new CalculateBonus(CalculateStandarBonus);
            //匿名委托
            CalculateBonus enhanced_bonus = delegate(decimal sales) { return multiplier * sales / 10; };

            Employee[] staff = new Employee[5];
            for (int i = 0; i < 5; i++)
            {
                staff[i] = new Employee();
            }

            staff[0].name = "111";
            staff[0].sales = 100;
            staff[0].calcalation_algorithm = standard_bonus;

            staff[1].name = "222";
            staff[1].sales = 200;
            staff[1].calcalation_algorithm = standard_bonus;

            staff[2].name = "333";
            staff[2].sales = 300;
            staff[2].calcalation_algorithm = standard_bonus;

            staff[3].name = "444";
            staff[3].sales = 400;
            staff[3].calcalation_algorithm = standard_bonus;

            staff[4].name = "555";
            staff[4].sales = 500;
            staff[4].calcalation_algorithm = enhanced_bonus;

            foreach (Employee person in staff)
            {
                PerformBonusCalculation(person);
            }

            foreach (Employee person in staff)
            {
                DisplayPersonDetails(person);
            }

            Console.ReadKey();

        }

        public static decimal CalculateStandarBonus(decimal sales)
        {
            return sales / 10;
        }

        public static void PerformBonusCalculation(Employee person)
        {
            person.bonus = person.calcalation_algorithm(person.sales);
        }

        public static void DisplayPersonDetails(Employee person)
        {
            Console.WriteLine(person.name);
            Console.WriteLine(person.bonus);
            Console.WriteLine("-------------");
        }
    }
}