//委托使用方法一：模板方法
static void Main(string[] args)
{
ProductFactory productFactory = new ProductFactory();
WrapFactory wrapFactory = new WrapFactory();
Func <Product> func1 = new Func <Product>(productFactory.MakePizza);
Func <Product> func2 = new Func <Product>(productFactory.MakeToyCar);
Box box1 = wrapFactory.WrapProduct(func1);
Box box2 = wrapFactory.WrapProduct(func2);
Console.WriteLine(box1.Produt.Name);
Console.WriteLine(box2.Produt.Name);
Console.ReadLine();
}
//委托使用方法二：回调方法
static void Main(string[] args)
{
ProductFactory productFactory = new ProductFactory();
WrapFactory wrapFactory = new WrapFactory();
Func <Product> func1 = new Func <Product>(productFactory.MakePizza);
Func <Product> func2 = new Func <Product>(productFactory.MakeToyCar);
Logger logger = new Logger();
Action <Product> log = new Action <Product>(logger.Log);
Box box1 = wrapFactory.WrapProduct(func1, log);
Box box2 = wrapFactory.WrapProduct(func2, log);
Console.WriteLine(box1.Produt.Name);
Console.WriteLine(box2.Produt.Name);
Console.ReadLine();
}