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云影看着曾鹏离去的方向，点点头道：我早想砌的。For example, if we want to implement a JS function, Such as form validation, Then if we don't use the policy pattern in javascript described in the previous chapter to solve the form validation encapsulation code, It is a temporary form validation function written by itself. Certainly without any encapsulation, Then at this time, we will pop up a prompt to the user for whether the two values are equal. If there is a form verification on another page, their judgment method and business logic are basically the same, but the comparison parameters are different. Should we consider writing a form verification code again? So now we can consider using the template method pattern to solve this problem. Common methods are extracted, and different methods are implemented by specific subclasses. This design code also has the advantages of stronger scalability and better code ~Define a factory interface. Q: How will it be realized? A: Declare a factory abstract classServices: Functions provided by the system that users will benefit from in their use.? Add an optional formal parameter to the function make _ album () so that the number of songs contained in the album can be stored. If the number of songs is specified when calling this function, this value is added to the dictionary representing the album. Call this function and specify the number of songs the album contains at least once.在这个史上号称校规最严苛的百年私校“圣英学园”里，学生之间口耳相传的，不是春风化雨的老掉牙故事，而是一旦有人想破坏校园宁静、引发可怕风波的时候，霹雳MIT就会出动，及时阻止事件的发生，默默守护着圣英的正义与和平的传奇。因种种原因，霹雳MIT消失，校园开始作乱，只剩下末代霹雳美眉CHERRY老师(范玮琪饰)。第一个不幸意外发生，谁也没想到这只是整个恶整游戏的开端，黑暗中窥视着一切的恶魔，早已悄悄接近CHERRY老师所带领的霹雳MIT，要和他们玩一场恶魔游戏。每一道关卡获胜的人，可以得到一块拼图，只要将所有拼图拼凑起来，就可以得知恶魔的真面目。但是，万一输了的话，这个学校就会受到永远的诅咒，再也没有恢复平静的一天。为了圣英学园，霹雳队员纷纷出动对抗黑暗势力，但谁是恶魔？曾是美眉教主的天使老师（田丽饰）又与CHERRY老师有何恩怨？而在充满危机的任务下，霹雳队员们的友情、爱情，又会对任务产生什么样的影响？