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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 ~This is how the poor fall into the vicious circle of poverty:八路军取胜的一**宝便是游击战，当年小日本为此焦头烂额，叫苦不迭。It was included in the Olympic Games in 1992.　　“写给父母亲的信”是讲述的是名副其实的新一代女特警魏次芳，第一次特别侦察跟着师傅去参加侦破贩毒集团的实战。在与毒贩接头时，由于她眼神的一丝慌乱导致了在最后一刻的暴露。魏次芳眼看着师傅头上的血喷溅在自己的面前。师傅的死让她永远记住了自己工作的性质：忘记自我，任务第一；牺牲自己，也不能牺牲别人。 在师傅的墓地，来了一个神秘的女人。一个看不出表情的中年女人。魏次芳甚至看不出她是四十岁还是五十岁。其实，这是魏次芳唯一的指挥员，也是唯一的联系人。此后，在联系人的指示下，魏次芳开始了自己独自正式的任务。 为了完成任务，她以不同的身份和职业为掩护，深入各种犯罪集团的内部；扮演着各种不同的角色。一次偶然邂逅一个与众不同的男人—吴同，让她第一次尝试到男女间的最美好情感……可这个男人却与犯罪集团的女人有着千丝万缕的关系，魏次芳想方设法打入犯罪组织，凭借自己顽强的意志与过硬的本领，与犯罪分子斗智斗勇，让更多吴同那样善良无辜的人从欺骗和危险中解脱出来。板栗进宫去请旨，魏铁带着大苞谷等人牵着小灰循着地道往外追，双方约好在城外碰头。