static void Main(string[] args)
{
var p = new Parson("小菜");
var bigT = new BigTrouser();
var t = new TShirts();
var s = new Sneaker();
t.Decorate(p);
s.Decorate(t);
bigT.Decorate(s);
bigT.Show();
}
public void Decorate(Parson parson)
{
component = parson;
}