C#之冒泡排序（委托)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DelegateDemo1
{
    class Program
    {
        static void Main(string[] args)
        {
            Employee[] employees = {
                new Employee("roles_gris0",4000),
                new Employee("roles_gris1",1000),
                new Employee("roles_gris2",7000),
                new Employee("roles_gris3",2000),
                new Employee("roles_gris4",9000),
                new Employee("roles_gris5",8000),
                new Employee("roles_gris6",8000),
                new Employee("roles_gris7",6000),
                                   };

            BubbleSorter.Sort(employees, Employee.CompareSalary);
            foreach (var employee in employees)
            {
                Console.WriteLine(employee);
            }
            Console.ReadKey();
        }
    }
    /// <summary>
    /// 冒泡排序
    /// </summary>
    class BubbleSorter
    {
        /// <summary>
        /// 冒泡排序 Func<T, T,bool>：封装一个具有两个参数并返回 TResult 参数指定的类型值的方法。
        /// </summary>
        /// <typeparam name="T">需要比较的是什么类型的数据</typeparam>
        /// <param name="sortArry">传递进来的列表 一个数组</param>
        /// <param name="comparison">传递进来的委托实例  就是方法名</param>
        static public void Sort<T>(IList<T> sortArry, Func<T, T,bool> comparison)
        {
            int j = 0;
            do
            {
                for (int i = j; i < sortArry.Count - 1; i++)
                {
                    if(comparison(sortArry[i+1],sortArry[i])){
                        T tmp = sortArry[i];
                        sortArry[i] = sortArry[i + 1];
                        sortArry[i + 1] = tmp;
                    }
                }
                j++;
            } while (j < sortArry.Count - 1);
        }
    }


    class Employee
    {
        public string Name { get; set; }
        public double Salary { get; set; }

        public Employee(string name, double salary)
        {
            this.Name = name;
            this.Salary = salary;
        }
        /// <summary>
        /// 重写字符串
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return string.Format("{0},{1:C}", Name, Salary);
        }
        /// <summary>
        /// 工资比较函数
        /// </summary>
        /// <param name="e1"></param>
        /// <param name="e2"></param>
        /// <returns></returns>
        public static bool CompareSalary(Employee e1, Employee e2)
        {
            return e1.Salary < e2.Salary;
        }
    }
}