第六章，上机练习2（员工汇报工作）

using SJ2.entity;
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 SJ2
{
    public partial class FrmMain : Form
    {
        public FrmMain()
        {
            InitializeComponent();
        }

        List<Employee> empls = new List<Employee>();
        /// <summary>
        /// 单击事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnHuiBo_Click(object sender, EventArgs e)
        {
            foreach (Employee emp in empls)
            {
                if (emp is PM)
                {
                    MessageBox.Show(((PM)emp).DoWork());
                }
                if (emp is SE) 
                {
                    MessageBox.Show(((SE)emp).DoWorK());
                }
            }
        }

        /// <summary>
        /// 加载事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FrmMain_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", 25, "爱变成", "男", list1, 200);//list1已经赋值给Job

            List<Job> list2 = new List<Job>();
            list2.Add(new Job("设计", "数据库建模"));
            list2.Add(new Job("编写文档", "详细设计说明书"));
            SE Joe = new SE("113", 25, "Joe", "女", list2, 200);//list1已经赋值给Job

            PM pm = new PM("890",20, "hh", "男", null,30);
            empls.Add(ai);
            empls.Add(Joe);
            empls.Add(pm);
        }
    }
}

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

namespace SJ2.entity
{

    public class Employee
    {
        /// <summary>
        /// 工作列表属性
        /// </summary>
        protected List<Job> WorkList { set; get; }
        /// <summary>
        /// 年龄
        /// </summary>
        public int Age { get; set; }
        /// <summary>
        /// 性别
        /// </summary>
        public string  Sex { get; set; }
        /// <summary>
        /// 工号
        /// </summary>
        public string ID { get; set; }
        /// <summary>
        /// 姓名
        /// </summary>
        public string Name { get; set; }

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


        }
    }
}

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

namespace SJ2.entity
{
    /// <summary>
    /// jop类，定义工作项目
    /// </summary>
    public class Job
    {
        /// <summary>
        /// 工作名称
        /// </summary>
        public string Name { get; set; }
        /// <summary>
        /// 描述
        /// </summary>
        public string Description { get; set; }

        /// <summary>
        /// 结构函数
        /// </summary>
        /// <param name="name"></param>
        /// <param name="description"></param>
        public Job(string name, string description) 
        {
            this.Name = name;
            this.Description = description;
        }
       
    }
}

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

namespace SJ2.entity
{
    /// <summary>
    /// 经理类
    /// </summary>
   public class PM:Employee
    {
       /// <summary>
       /// 经验
       /// </summary>
        public int Yesar{ get; set; }
      
       //构造函数
        public PM(string id, int age, string name, string sex, List<Job> list, int yesar):base( id,  age,  name,  sex,  list) 
        {
            this.Yesar = yesar;
        }
       /// <summary>
       /// 添加工作方法
       /// </summary>
       /// <returns></returns>
        public string DoWork() 
        {
            string message = this.Name + "管理员工完成工作内容！";
            return message;
        }
    }
}

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

namespace SJ2.entity
{
    /// <summary>
    /// 员工类
    /// </summary>
    public class SE:Employee
    {
        /// <summary>
        /// 人气
        /// </summary>
        public int Popularity { get; set; }

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


        /// <summary>
        /// 显示工作方法
        /// </summary>
        public string DoWorK() 
        {
            StringBuilder sb = new StringBuilder();
            sb.Append(this.Name + ":\n");
            for (int i = 0; i < this.WorkList.Count; i++)
            {
                sb.Append((i + 1) + "," + WorkList[i].Name + ":" + WorkList[i].Description + "\n");
            }
            return sb.ToString();
        }

    }
}