面向对象之封装

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            student s = new student();//初始化对象
            
            //s.Code = 1;
            s.Name = "zhangsan";//Code,Name是类的成员

            s.shuzi = 19;
            Console.Write(s.Code.ToString());

            Console.ReadLine();
        }
    }
}

 

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

namespace ConsoleApplication1
{
    class student
    {
        private int _Code;//private只能在自己的类中访问

        public int Code//封装属性
        {//有两个方法
            get { return shuzi; }//1.读
            set {
                if (value >= 1 && value <= 10)
                    _Code = value;
                else
                    _Code = 0;
                }//2.取
        }

        public int shuzi;

        public string Name;//public可以再其他类中访问

    }
}