public void DecoratorTest()
{
{
var m = new ConcreteComponent();
var decoratorA = new DecoratorA(m);
// decoratorA.Work();
var decoratorB = new DecoratorB(decoratorA);
decoratorB.Work();
}
{
// 我买了个苹果手机
Phone phone = new ApplePhone();
// 现在想贴膜了
var applePhoneWithSticker = new Sticker(phone);
// 扩展贴膜行为
applePhoneWithSticker.Print();
// 现在我想有挂件了
var applePhoneWithAccessories = new Accessories(phone);
// 扩展手机挂件行为
applePhoneWithAccessories.Print();
Console.WriteLine("----------------------");
// 现在我同时有贴膜和手机挂件了
var sticker = new Sticker(phone);
var applePhoneWithAccessoriesAndSticker = new Accessories(sticker);
applePhoneWithAccessoriesAndSticker.Print();
}
// {
// AbstractMessage message = new SqlMessage();
// var de = new CheckUserWrapper(message);
// Console.WriteLine(de.Get()[0].Message);
//
// var d2 = new CheckInputWrapper(message);
// Console.WriteLine(d2.Get()[0].Message);
//
// var m3 = new CheckUserWrapper(message);
// var m4 = new CheckInputWrapper(m3);
// Console.WriteLine(m4.Get()[0].Message);
// }
{
var dark = new DarkRoast("黑咖啡");
var sugar = new Sugar("加糖", dark);
Console.WriteLine($"{sugar.GetDescription()}{sugar.Cost()}元");;
var milk = new Milk("加奶", sugar);
Console.WriteLine($"{milk.GetDescription()}{milk.Cost()}元");;
}
}