40.C#--面对对象，类的继承和构造函数继承的使用

namespace _40继承
{
class Program
{
static void Main(string[] args)
{

        Student s = new Student("学生", 18, '男', 101); //新建学生对象并赋值
        s.CHLSS();   //调用Person的方法
        s.Study();    //调用Study的方法
        Teacher t = new Teacher("老师",30,'女',5000);   //新建老师对象并赋值
        t.CHLSS();   //调用Person类的方法
        t.Teach();   //调用Teach的方法
        Driver d = new Driver("司机", 25, '男', 10);    //新建司机对象并赋值
        d.Drive();   //调用drive的方法
        Console.WriteLine();
        Console.ReadKey();
    }
}

public class Person         //新建Person类
{
    private string _name;   //字段

    public string Name        //属性
    {
        get { return _name; }
        set { _name = value; }
    }

    private int _age;    //字段

    public int Age     //属性
    {
        get { return _age; }
        set { _age = value; }
    }

    private char _gender;  //字段

    public char Gender   //属性
    {
        get { return _gender; }
        set { _gender = value; }
    }

    public void CHLSS()   //Person方法
    {
        Console.WriteLine("吃喝拉撒睡");
    }

    public Person(string name, int age, char gender)  //Person结构
    {
        this.Name = name;
        this.Age = age;
        this.Gender = gender;
    }

}
public class Student : Person   //Student继承person类
{

    public Student(string name, int age, char gender, int id)
        : base(name, age, gender)    //继承了Person类的name,age,gender三个属性
    {
        //this.Name = name;  //继承的三个属性可以不用重复再写了
        //this.Age = age;    //继承的三个属性可以不用重复再写了
        //this.Gender = gender;   //继承的三个属性可以不用重复再写了
        this.Id = id;   //不属于继承的属性需要赋值
        Console.WriteLine("我叫{0},我今年{1}岁了,我是{2}生,我的学号是{3}", name, age, gender, id);
    }

    private int _id;   //不属于继承的字段需要继续写

    public int Id     //属性
    {
        get { return _id; }
        set { _id = value; }
    }

    public void Study()  //方法
    {
        Console.WriteLine("学生会学习");
    }
}
public class Teacher :Person   //Teacher继承Person类
{

    public Teacher(string name, int age, char gender, double salary) 
        : base(name, age, gender)   //结构继承了Person的三个属性
    {
        this.Salary = salary;   
        Console.WriteLine("我是{0},我今年{1}岁了，我是{2}生，我的工资是{3}", name, age, gender, salary);
    }

    private double _salary;  // 字段
    public double Salary      //属性
    {
        get { return _salary; }
        set { _salary = value; }
    }
    public void Teach()        //方法
    {
        Console.WriteLine("老师会讲课");
    }
}
public class Driver:Person        //继承person类
{

    public Driver(string name, int age, char gender, int driveTime) 
        : base(name, age, gender)   //继承Person结构
    {
        this.DirveTime = driveTime;
        Console.WriteLine("我是{0},我今年{1}岁了，我是{2}生，我驾龄有{3}年了", name, age, gender, driveTime);
    }

    private int _dirveTime;   //字段
    public int DirveTime        //属性
    {
        get { return _dirveTime; }
        set { _dirveTime = value; }
    }
    public void Drive()        //方法
    {
        Console.WriteLine("司机会开车");
    }
}

}