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

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace Employment 8 { 9     public class Employee10     {11         //年龄12         public int Age { get; set; }13 14         //性别15         public Gender Gender { get; set; }16 17         //工号18         public string ID { get; set; }19 20         //姓名21         public string Name { get; set; }22 23         //给Employee类添加工作列表属性24         protected List
      
        WorkList { get; set; }25 26         //构造函数27         public Employee(string id , int age , Gender gender , string name , List
       
         list)28         {29             this.Age = age;30             this.Gender = gender;31             this.ID = id;32             this.Name = name;33             this.WorkList = list;34         }35 36         //虚方法37         public virtual string SayHi()38         {39             string ss = this.Name;40             return ss;41         }42 43 44     }45 }
       
      

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

1 using System; 2 using System.Collections.Generic; 3 using System.ComponentModel; 4 using System.Data; 5 using System.Drawing; 6 using System.Linq; 7 using System.Text; 8 using System.Threading.Tasks; 9 using System.Windows.Forms;10 11 namespace Employment12 {13     public partial class formMyOffice : Form14     {15         public formMyOffice()16         {17             InitializeComponent();18         }19 20         //采用泛型集合List保存内容21         List
      
        empls = new List
       
        ();22 23         /// 
        
24         /// 窗口加载25         /// 
26         /// 
        27         /// 
        28         private void formMyOffice_Load(object sender, EventArgs e)29         {30             List
        
          list1 = new List
         
          ();31             list1.Add(new Job("编码", "购物车模块"));32             list1.Add(new Job("测试","给购物车模块做单元测试"));33             SE ai = new SE("112" , "刚刚" , 25 , Gender.男 , 100 , list1);34 35             List
          
            list2 = new List
           
            ();36 list2.Add(new Job("设计", "数据库模块"));37 list2.Add(new Job("编写文档", "详细设计说明书"));38 SE joe = new SE("113", "菲菲", 22, Gender.女, 200, list2);39 40 PM pm = new PM("890" , "康康" , 30 , Gender.男 , 50 , null);41 empls.Add(ai);42 empls.Add(joe);43 empls.Add(pm);44 }45 46 /// 
            
47 /// 员工汇报工作48 /// 
49 /// 
            50 /// 
            51 private void button1_Click(object sender, EventArgs e)52 {53 54 foreach (Employee item in empls)55 {56 57 MessageBox.Show(item.SayHi());58 //if (item is PM)59 //{60 // MessageBox.Show(((PM)item).DoWork(),"汇报");61 //}62 //if (item is SE)63 //{64 // MessageBox.Show(((SE)item).DoWork(),"汇报");65 //}66 }67 }68 69 70 71 }72 }
           
          
         
        
       
      

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

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace Employment 8 { 9     //枚举性别10     public enum Gender11     {12         男,13         女14     }15 }

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

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace Employment 8 { 9     public class Job10     {11         //工作名称12         public string Name { get; set; }13 14         //描述15         public string Description { get; set; }16 17         //构造函数18         public Job(string name , string description)19         {20             this.Name = name;21             this.Description = description;22         }23 24 25     }26 }

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

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace Employment 8 { 9     public class PM:Employee10     {11         //属性12         public int YearOfExperience { get; set; }13 14         //虚方法15         public override string SayHi()16         {17             string message = this.Name + ":管理员工完成工作内容！";18             return message;19         }20 21         //修改PM类的构造函数22         public PM(string id , string name , int age , Gender gender , int yearOfExperience , List
      
        list):base(id , age , gender , name , list)23         {24             this.YearOfExperience = yearOfExperience;25         }26 27 28     }29 }
      

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

1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6  7 namespace Employment 8 { 9     public class SE:Employee10     {11         //属性12         public int Popularity { get; set; }13 14         //虚方法15         public override string SayHi()16         {17             StringBuilder sb = new StringBuilder();18             sb.Append(this.Name + ":\n");19             for (int i = 0; i < this.WorkList.Count; i++)20             {21                 sb.Append((i + 1) + "," + WorkList[i].Name + ":" + WorkList[i].Description + "\n");22             }23             return sb.ToString();24         }25 26         //修改SM类的构造函数27         public SE(string id , string name , int age , Gender gender , int popularity , List
      
        list):base(id , age , gender , name , list)28         {29             this.Popularity = popularity;30         }31 32 33     }34 }
      

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