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天下之大，能让汉国丞相陪同，出现在这里的人，除了他还会有谁呢？张良也在上下打量着韩信，虽然之前已经想象过对方的形象，但是如今……当真应了那句俗语，百闻不如一见。他犹豫了一下，慢慢地凑过去说道：妹妹，我想回家去看看，看看家里咋样了。Article 20 [Designated Medical Institutions] Designated medical institutions and their staff shall comply with the following provisions in providing medical security services: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 ~2019 NY Shorts Festival, 校园安全警示Public class MySubject implementations Subject {