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我别无选择。这混世魔王斜眼上下打量了他们一番，阴阳怪气地问道：哟。　　在天崖，犹有未归人，在北方，犹有望夫崖！"These DDoS attacks have developed very rapidly recently, and each new attack adopts a different implementation strategy from the previous one," said LynnPrice, a security strategy expert in IBM's finance department. In essence, the attacker's strategy aims to improve his own attack capability, with the help of advanced infrastructure and application pointing tools, and to realize the automation of attack activities.听闻后来他遭遇赵高陷害，被腰斩弃市，听到消息时她没有多少悲伤。上世纪二三十年代的内蒙古科尔沁草原上，蒙汉各族人过着幸福和睦的生活，美丽的姑娘牡丹送别奉王爷之命到外地办事的心上人嘎达。但嘎达在办事途中遭袭，幸被一赶路的汉子救下。嘎达回到王爷身边后，突然有刺客来袭，嘎达挺身救下王爷，被提升为骑兵统领——梅林。但在与刺客搏斗中，嘎达认出刺客是救过他的汉子，遂将他放走。军阀收买王爷割让草原，嘎达梅林奉王爷之命将牧民逐出，一位白发苍苍的老妈妈狠狠地打了嘎达一个耳光，令他的心阵阵刺痛。The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.