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DI: Dependency InjectionCommon Strategy: Through Workshop, all relevant personnel of the strategy are involved in the formulation of the strategy. It is no longer the strategy of the boss or several people at the top, but the strategy of all people from the top to the grassroots.患有先天性心脏病的计，怀上了宝宝，有关爱与生命的意义，她不知自己还有多少时间去探索。被过去困扰的年轻女子加入一位神秘教授和一群天赋异禀的学生，一起调查灵异现象，对抗恶魔If you want to understand the following contents of this article, you need to have a simple understanding of TCP. This chapter will make a simple explanation of relevant concepts.In real life, China's income tax is divided into enterprise income tax, foreign-invested enterprises or foreign-invested enterprises income tax and personal income tax. For these three types of income tax, each is calculated in a different way. Personal income tax has a personal income tax calculation method, while enterprise income tax has its corresponding calculation method. If we do not adopt the policy mode to realize such a requirement, we will define an income tax class, which has an attribute to identify the type of income tax and a CalculateTax () method to calculate the tax. In this method, we need to judge the tax type and calculate the income tax for different tax types through if-else statements. Such an implementation can indeed solve this scenario, but such a design is not conducive to expansion. If the system needs to add an income tax in the later period, it has to go back and modify the CalculateTax method to add an additional judgment statement, which clearly violates the principle of "open-closed". At this time, we can consider using the strategic mode to solve this problem. Since the tax method is the changing part of this scenario, we can naturally think of abstracting the tax method at this time, which is also the essence of the implementation of the strategic mode.「一代女皇」的轰动将潘迎紫的演艺事业推向前所未有的高峰，中视趁势推出续集「一代公主」，潘迎紫将戏中饰演母女两角，为此潘迎紫为演出女皇威严及公主娇俏可爱而忽胖