10-9.txt

C#实验报告 C#实验报告 C#实验报告 C#实验报告 C#实验报告 C#实验报告 C#实验报告

using System;
public enum sex 
{
        woman, 
        man 
};
abstract public class People
{
        private string s_name;
        public virtual string Name {
                get {
                        return s_name;
                }
        }
        private sex m_sex;
        public virtual sex Sex {
                 get {
                         return m_sex;
                 }
        }
        protected string s_card;
        public abstract string Card {
                 get;set;
        }
}

//********************************************************//
class Customer:People
{
         string s_no;
         int i_day;
         public string No {
                   get {
                            return s_no;
                   }
                   set {
                            if(s_no!=value) {
                                 s_no = value;
                            }
                   }
          }
          public int Day {
                   get {     
                            return i_day;
                   }
                   set {
                            if(i_day!=value) {
                                   i_day = value;
                            }
                   }
           }
           public override string Name {
                    get { return base.Name; }
           }
           public override sex Sex {
                    get { return base.Sex; }
           }
           public override string Card {
                    get { return s_card; }
                    set { s_card = value; }
           }
}