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Decorator mode is also called Wrapper mode, which can dynamically add some additional functions to an object. Decorator mode is more flexible than the way of inheriting and generating subclasses. Although decorator mode can dynamically attach responsibilities to objects, it will also cause some small objects to be generated, increasing the complexity of the system. The specific structure diagram is shown below.Explain that in the OrderPizza method, we do a lot of things, including calling the CreatePizza method to generate a desired pizza, and then doing a series of operations on the pizza. The key point is that Pizza is defined as an abstract class, which means that in the OrderPizza method we don't care what type this Pizza is at runtime, in other words, this is decoupling. The coupling between PizzaStore and Pizza is uncoupled.ABC宣布续订《戈德堡一家》两季。电视剧改编自编剧亚当·F·戈德堡的真实人生经历。故事发生在二十世纪八十年代美国的一个平凡 [1] 的家庭之中。贝弗利（温迪·麦克伦敦-考薇 Wendi McLendon-Covey 饰）和穆瑞（杰夫·格尔林 Jeff Garlin 饰）是一对结婚多年的夫妻，尽管生活中少不了磕磕绊绊，穆瑞的暴脾气更是为平静的生活增添了一丝波澜，但他和妻子之间的感情一直以来都十分要好。　　问题少年瑞恩（本杰明·麦肯锡 Ben McKenzie 饰）在贫民区长大，一日在哥哥教他偷车的时候，被警察抓住。公设辩护队律师桑迪·科恩成了他的监护人。因负责监管瑞恩的生活桑迪让他住进了自己位于纽 波特海滨的家中。桑迪的妻子凯斯顿对瑞恩的到来并不欢迎。她担心瑞恩会对自己年少的儿子塞斯（亚当·布罗迪 Adam Brody 饰）产生不良影响，只同意让瑞恩住一周。在与科恩家相处的第一个晚上，瑞恩遇见了科恩家隔壁的女孩玛丽莎（米莎·巴顿 Mischa Barton 饰），并对她一见钟情。讲述编剧Cody(肯德里克)发现男友(唐纳尔·罗格)貌似出轨了，对象是……一个性爱玩偶。这个会说话、有感知的塑胶娃娃用“在颠覆父权制之前，咱们都是性爱娃娃”等发言和活泼精灵的性格引起了Cody注意。在心理医师的建议下，她和娃娃踏上一场公路旅行，发展出友谊。尹旭在一瞬间把握到了陈平的心态，一方面是因为他说的这么原因。胡宗宪只要在东南一天，他便誓死不归。