40.C#--面對對象，類的繼承和構造函數繼承的使用

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

        Student s = new Student("學生", 18, '男', 101); //新建學生對象并賦值
        s.CHLSS();   //調用Person的方法
        s.Study();    //調用Study的方法
        Teacher t = new Teacher("老師",30,'女',5000);   //新建老師對象并賦值
        t.CHLSS();   //調用Person類的方法
        t.Teach();   //調用Teach的方法
        Driver d = new Driver("司機", 25, '男', 10);    //新建司機對象并賦值
        d.Drive();   //調用drive的方法
        Console.WriteLine();
        Console.ReadKey();
    }
}

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

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

    private int _age;    //字段

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

    private char _gender;  //字段

    public char Gender   //屬性
    {
        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結構
    {
        this.Name = name;
        this.Age = age;
        this.Gender = gender;
    }

}
public class Student : Person   //Student繼承person類
{

    public Student(string name, int age, char gender, int id)
        : base(name, age, gender)    //繼承了Person類的name,age,gender三個屬性
    {
        //this.Name = name;  //繼承的三個屬性可以不用重復再寫了
        //this.Age = age;    //繼承的三個屬性可以不用重復再寫了
        //this.Gender = gender;   //繼承的三個屬性可以不用重復再寫了
        this.Id = id;   //不屬于繼承的屬性需要賦值
        Console.WriteLine("我叫{0},我今年{1}歲了,我是{2}生,我的學號是{3}", name, age, gender, id);
    }

    private int _id;   //不屬于繼承的字段需要繼續寫

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

    public void Study()  //方法
    {
        Console.WriteLine("學生會學習");
    }
}
public class Teacher :Person   //Teacher繼承Person類
{

    public Teacher(string name, int age, char gender, double salary) 
        : base(name, age, gender)   //結構繼承了Person的三個屬性
    {
        this.Salary = salary;   
        Console.WriteLine("我是{0},我今年{1}歲了，我是{2}生，我的工資是{3}", name, age, gender, salary);
    }

    private double _salary;  // 字段
    public double Salary      //屬性
    {
        get { return _salary; }
        set { _salary = value; }
    }
    public void Teach()        //方法
    {
        Console.WriteLine("老師會講課");
    }
}
public class Driver:Person        //繼承person類
{

    public Driver(string name, int age, char gender, int driveTime) 
        : base(name, age, gender)   //繼承Person結構
    {
        this.DirveTime = driveTime;
        Console.WriteLine("我是{0},我今年{1}歲了，我是{2}生，我駕齡有{3}年了", name, age, gender, driveTime);
    }

    private int _dirveTime;   //字段
    public int DirveTime        //屬性
    {
        get { return _dirveTime; }
        set { _dirveTime = value; }
    }
    public void Drive()        //方法
    {
        Console.WriteLine("司機會開車");
    }
}

}