asp.net 继承 学习示例

public partial class test02 : System.Web.UI.Page
{
    class People
    {
       
        public People()
        { 
            //构造函数
        }

        public string Eating()
        {
            return "基类Eating方法被调用！";
        }

        public string Sleep()
        {
            return "基类Sleep方法被调用！";
        }


    }

    class Student : People
    {
        public Student()
        { 
            
        }

        public string study()
        {
            
            return "派生类study方法被调用";
        }
    }

    protected void Page_Load(object sender, EventArgs e)
    {
        People people1 = new People();
        Label1.Text = people1.Eating();

        Student student1 = new Student();
        Label2.Text = student1.Eating();

        Student student2 = new Student();
        Label3.Text = student2.study();

       
    }
}

结果:

基类Eating方法被调用！
基类Eating方法被调用！
派生类study方法被调用