Chapter 8. 面向对象(类、对象、字段、方法、属性、构造函数)

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

namespace 面向对象
{
    //创建person类
    public class person
    {   
        //Fields:字段
        private string _name;
        private int _age;
        private char _gender;

        //Properties:属性
        public string Name
        {
            get { return this._name; }  //获取属性值时,调用get方法
            set { this._name = value; } //给属性赋值时,调用set方法
        }

        public int Age
        {
            get { return this._age; }

            // 对set属性进行限定
            set 
            {
                if (value < 0 || value > 100)
                {
                    value = 0;
                } 
                this._age = value;
            }
        }

        public char Gender
        {
            //对get属性进行限定
            get
            {
                if (_gender != '' && _gender != '')
                {
                    return _gender = '';
                }
                else
                {
                    return _gender;
                }
            }
           
            set { _gender = value; }
        }
       
        //Methods:方法 (行为)
        public void CHLSS()     
        {
            Console.WriteLine
            ("我叫{0},我今年{1}岁了,我是{2}生,我可以吃喝拉撒睡呦~~",
             this.Name,this.Age,this.Gender);
        }
    }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace 面向对象
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建person类的对象
            person Lucy = new person();
            Lucy.Name = "露西";
            Lucy.Age = -23;
            Lucy.Gender = '';
            Lucy.CHLSS();
            Console.ReadLine();
        }
    }
}

 

posted @ 2016-06-16 23:04  庚xiao午  阅读(211)  评论(0编辑  收藏  举报