public static void Show()
{
Console.WriteLine("********************Show*******************");
Poly.Test();
{
Chinese chinesePeople = new Chinese();
chinesePeople.Traditional();
DoChines(chinesePeople);
}
{ //里氏替换原则：任何基类实现的地方，都可以透明的使用其子类
Chinese chineseSC = new SiChuan();
chineseSC.Traditional(); // 这里调用父类的方法
DoChines(chineseSC); //这里调用父类的方法
}
{
SiChuan siChuan = new SiChuan();
siChuan.Traditional(); //调用父类
DoChines(siChuan); //调用父类
}
}
private static void DoChines(Chinese chinese)
{
Console.WriteLine($"{chinese.ID} {chinese.Kuaizi} {chinese.Name}");
chinese.SayHi();
}