1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 namespace SJ3_4
8 {
9 class Program
10 {
11 static void Main(string[] args)
12 {
13 List<Employee> empls = new List<Employee>();
14 SE Joe=new SE("杰克",20,100);
15 SE ai = new SE("艾边成", 25, 200);
16 PM pm = new PM("艾斯", 30, 10);
17 empls.Add(Joe);
18 empls.Add(ai);
19 empls.Add(pm);
20 //foreach (Employee item in empls)
21 //{
22 // Console.WriteLine(item.SayHi());
23 //}
24 for (int i = 0; i < empls.Count; i++)
25 {
26 Console.WriteLine(empls[i].SayHi());
27 }
28 }
29 }
30 }
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 namespace SJ3_4
8 {
9 public class Employee
10 {
11 //姓名
12 public string Name { get; set; }
13 public int Age { get; set; }
14 public virtual string SayHi()
15 {
16 string message = string.Format("大家好");
17 return message;
18 }
19 /// <summary>
20 /// 构造函数
21 /// </summary>
22 public Employee(string name,int age)
23 {
24 this.Name = name;
25 this.Age = age;
26 }
27 }
28 }
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 namespace SJ3_4
8 {
9 /// <summary>
10 /// 经理类
11 /// </summary>
12 public class PM:Employee
13 {
14 //管理经验
15 public int YesarOfExperience { get; set; }
16 //构造函数
17 public PM(string name, int age, int yesarOfExperience): base(name, age)
18 {
19 this.YesarOfExperience = yesarOfExperience;
20 }
21 public override string SayHi()
22 {
23 string message;
24 message = string.Format("大家好，我是{0},今年{1}，管理经验是{0}", this.Name, this.Age, this.YesarOfExperience);
25 return message;
26 }
27 }
28 }
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading.Tasks;
6
7 namespace SJ3_4
8 {
9 /// <summary>
10 /// 程序员类
11 /// </summary>
12 public class SE:Employee
13 {
14 //人气
15 public int Popularity { get; set; }
16 public SE(string name, int age, int popularity) : base(name,age)
17 {
18 this.Popularity = popularity;
19 }
20 /// <summary>
21 /// SayHi
22 /// </summary>
23 /// <returns></returns>
24 public override string SayHi()
25 {
26 string message;
27 message= string.Format("大家好，我是{0},今年{1}，人气是{0}", this.Name, this.Age, this.Popularity);
28 return message;
29 }
30 }
31 }
