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2017-07-22 15:41:20金庸之所以改变了张无忌的性格，估计一是，原先仇恨深藏，一心报仇，性格偏向阴暗，这些和杨过的形象有些重叠。　　CW又一次一口气续订多剧，这次共13部，包括《豪门恩怨 Dynasty》（S4）。这是一部全新演绎隋灭唐兴的历史传奇，展示了众多历史人物在改朝换代的风云变幻中沉落起伏。剧中经典人物是隋炀帝和李世民。隋炀帝杨广凶狠残忍，穷奢极欲，虽然才学蜀锦广收天下书籍，但他穷兵黩武、不听忠言，使得民不聊生，葬送了大隋江山。李世民用兵神出鬼没，胸怀天下大计，誓取隋朝天下。风云过后，是一片晴朗的天空。贞观四年，天下初治，夜不闭户，行不携粮。一个国泰民安的大唐盛世即将到来。Factory Pattern: Factory Pattern is a frequently used pattern. Classes implemented according to Factory Pattern can generate instances of one of a group of classes according to the provided data. Usually, this group of classes has a common abstract parent class and implements the same methods, but these methods perform different operations for different data. First of all, we need to define a base class. Subclasses of this class implement methods in the base class through different methods. Then you need to define a factory class that can generate different subclass instances according to conditions. After getting an instance of a subclass, developers can call methods in the base class regardless of which subclass instance is returned.