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王世贞默默抬头，这次他不会说任何话，只会藏在心里。姥爷是留日学习机械专业的优秀人才。9.18事变后，姥爷毅然回国接任了家族产业。循规蹈矩的姥爷与世无争，但却因此被误认为是汉奸。当女儿携丈夫从英国留学归国，在火车站遭到鬼子强暴，孩子胎死腹中，女婿被鬼子打死时，忍气吞声的姥爷终于爆发，走上了向日军讨回血债的复仇之路。他利用高超的机械技术自制多种武器，与日方巧妙周旋，成为一名刺杀日军的神秘杀手。同时，姥爷还义无反顾地帮助八路军研制和改装炮弹，支持抗日。我地下党组织派遣策反他的人逐渐发现他的复仇秘密，国共双方联手准备帮助他时，姥爷的日方“知已”小岛、特高课杜松已将枪口对准了他。一场又一场惊心动魄的较量后，姥爷从一名单纯的个人复仇者，最终在谭丽萍和赵刚的协助和保护下成为抗日英雄战士。揭秘火王片场主演们背后的趣味故事以及神力少女景甜与火王陈柏霖，霸气张逸杰追爱萌妹赖雨濛的趣味精华版故事。One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.由樱井翔主演的《只是先出生的我》，讲述了杰出的商社精英鸣海凉介被派往一家经营不善的私立高中担任校长，重建学校的奋斗故事。