深入.NET平台和C#编程.第五章：上机练习2

------------------------------------------Employee类------------------------------------------

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

namespace Employment
{
    public class Employee
    {
        //年龄
        public int Age { get; set; }

        //性别
        public Gender Gender { get; set; }

        //工号
        public string ID { get; set; }

        //姓名
        public string Name { get; set; }

        //给Employee类添加工作列表属性
        protected List<Job> WorkList { get; set; }

        //构造函数
        public Employee(string id , int age , Gender gender , string name , List<Job> list)
        {
            this.Age = age;
            this.Gender = gender;
            this.ID = id;
            this.Name = name;
            this.WorkList = list;
        }

        //虚方法
        public virtual string SayHi()
        {
            string ss = this.Name;
            return ss;
        }


    }
}

------------------------------------------formMyOffice窗体-------------------------------------

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Employment
{
    public partial class formMyOffice : Form
    {
        public formMyOffice()
        {
            InitializeComponent();
        }

        //采用泛型集合List保存内容
        List<Employee> empls = new List<Employee>();

        /// <summary>
        /// 窗口加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void formMyOffice_Load(object sender, EventArgs e)
        {
            List<Job> list1 = new List<Job>();
            list1.Add(new Job("编码", "购物车模块"));
            list1.Add(new Job("测试","给购物车模块做单元测试"));
            SE ai = new SE("112" , "刚刚" , 25 , Gender.男 , 100 , list1);

            List<Job> list2 = new List<Job>();
            list2.Add(new Job("设计", "数据库模块"));
            list2.Add(new Job("编写文档", "详细设计说明书"));
            SE joe = new SE("113", "菲菲", 22, Gender.女, 200, list2);

            PM pm = new PM("890" , "康康" , 30 , Gender.男 , 50 , null);
            empls.Add(ai);
            empls.Add(joe);
            empls.Add(pm);
        }

        /// <summary>
        /// 员工汇报工作
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button1_Click(object sender, EventArgs e)
        {

            foreach (Employee item in empls)
            {

                MessageBox.Show(item.SayHi());
                //if (item is PM)
                //{
                //    MessageBox.Show(((PM)item).DoWork(),"汇报");
                //}
                //if (item is SE)
                //{
                //    MessageBox.Show(((SE)item).DoWork(),"汇报");
                //}
            }
        }



    }
}

------------------------------------------Gender类---------------------------------------------

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

namespace Employment
{
    //枚举性别
    public enum Gender
    {
        男,
        女
    }
}

------------------------------------------Job类-------------------------------------------------

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

namespace Employment
{
    public class Job
    {
        //工作名称
        public string Name { get; set; }

        //描述
        public string Description { get; set; }

        //构造函数
        public Job(string name , string description)
        {
            this.Name = name;
            this.Description = description;
        }


    }
}

------------------------------------------PM类--------------------------------------------------

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

namespace Employment
{
    public class PM:Employee
    {
        //属性
        public int YearOfExperience { get; set; }

        //虚方法
        public override string SayHi()
        {
            string message = this.Name + ":管理员工完成工作内容！";
            return message;
        }

        //修改PM类的构造函数
        public PM(string id , string name , int age , Gender gender , int yearOfExperience , List<Job> list):base(id , age , gender , name , list)
        {
            this.YearOfExperience = yearOfExperience;
        }


    }
}

------------------------------------------SE类--------------------------------------------------

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

namespace Employment
{
    public class SE:Employee
    {
        //属性
        public int Popularity { get; set; }

        //虚方法
        public override string SayHi()
        {
            StringBuilder sb = new StringBuilder();
            sb.Append(this.Name + ":
");
            for (int i = 0; i < this.WorkList.Count; i++)
            {
                sb.Append((i + 1) + "," + WorkList[i].Name + ":" + WorkList[i].Description + "
");
            }
            return sb.ToString();
        }

        //修改SM类的构造函数
        public SE(string id , string name , int age , Gender gender , int popularity , List<Job> list):base(id , age , gender , name , list)
        {
            this.Popularity = popularity;
        }


    }
}

------------------------------------------运行结果-----------------------------------------------