国产午夜福利无码专区喷水

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.杨长帆举杯饮茶过后，诚然释道，百姓饭都吃不饱，谈何王学？先有温饱后有欲，心学是自己内心的事情，让人从根本的自我豁达开朗境界。可是，当泰德遇到了率领着战斗部队的阿亚纳米参谋长时，他的记忆恢复了。在几次神秘的事故之后，一场真人角色扮演游戏被打断，玩家们离开了地堡，而工作人员留在后面调查游戏主谋格雷格的失踪。仿佛不指望板栗回答，他自答道：哥哥自己也不知道。My friend said that she really felt very tired.