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.
“荧屏第一母亲”彭玉在剧中出演一位大小事儿都态度明朗,说起话来掷地有声的妈。老来俏的妈妈年届七十,谈起恋爱丝毫不输年轻人,恋上一个比自己年轻十岁的“男朋友”。
Observer mode is also called publish-subscribe mode
苏角嘀咕的同时,忘记了一件事情,那就是近朱者赤近墨者黑,过不了多用,他会发现自己身上有许多东西和越王尹旭很有相似自处,久而久之,这便成了越国的一种特sè。
向工会主席艾因扎克提出一个建议。
Source: Picking Up (ID: Shiyi201633)
科尔顿·多纳万(ColtonDonavan)生活在失控的边缘。无论是在轨道上还是在轨道之外,他想要的一切都在他指尖:成功、自愿的女性、媒体关注。除了Rylee。她是这个鲁莽的坏男孩似乎无法征服的例外。她的心脏正在康复。他的灵魂受到了伤害。他们都知道他们俩永远不会合作。但他没有道歉就闯入了她的生活,打乱了她的世界,考验了她的界限,揭开了她过去的黑暗。他们的化学反应是不可否认的。它们的吸引力是有磁性的。他们互相帮助治愈疾病的能力显而易见。即使他不让她进来,科尔顿也有一些她无法摆脱的东西。这是他们故事的开始。他们的战斗。他们完美不完美的爱情。
《花木兰》是以历史传奇人物花木兰为原形演绎的一部具有浓烈浪漫主义色彩的爱情轻喜剧,分为上、下两部。上部“木兰新编”讲述了虽为女儿身却志比男儿高的花木兰,代父从军、拼搏战场的传奇故事,其间她懈遇了大将军李亮,初时两人因误会生隙,既而由怨转爱,经历了种种波折后,终于有情人结成眷属。下部“木兰从夫”则讲述了功名显赫的木兰换回女儿装作为新妇后,所经历的因封建世俗对男女尊卑的偏见而引发的一桩桩家庭矛盾的纠葛,最后依靠着木兰和李亮对彼此坚定的爱情信念,冰释前嫌,迎来更美好的明天。
Jason Antolotti继续设法满足球员的欲望……无论是填充他们的银行账户,还是让他们尽情释放自己的自负。
至于所谓的擅离职守,应该是韩元帅想要借此机会整顿军纪罢了。
居住在美国西部小镇的南西,是一位家境富有善良的姑娘,她那视为生命的丈夫是个花花公子,不仅四处寻花问柳,还企图占据她父亲的财产。一天南西意外遇到一艘飞碟,受到过量射线辐射,顿然产生了恐怖的异变,诱人的胴体挣脱内衣,身体迅速膨胀。一时间变身成巨人的南西,面对几乎所有人类的敌意和丈夫的背叛,决定拿出异于常人的勇气去迎战一切威胁……然而此时,政府派出武装军队对她进行全面的围攻,一时间所有的枪口都对准了女巨人。一场疯狂的战斗即将展开,正在此时外星飞碟再次神秘登场。女巨人的命运将何去何从……
庞夫人。
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