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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 ~二更求粉。啊？张曲文心中更惊讶了，感觉如果不问到结果，今天觉都可能睡不着了。雨涵忍痛离开俊杰，带着一个不为人知的秘密远走他乡。苏老太为了让这个曾经显赫一时的苏家不至于败落，用心良苦将俊杰留在身边，让他学习打理面粉厂。一个婆子蹲下身，挽了挽袖子，左手拿起只老黄色沾满汤渍污迹的砂锅搁在地上，抽了一束稻草扎成个草刷子，再从旁边撮箕里抓了一把草灰，抹在砂锅内，用草刷子使劲擦起来。在NASA 证实陨石将在7 天内撞击地球，并引发一连串灾难之后，每对恋人心中最重要的事，迅速起了质变，恐慌也随之而来…本片讲述4对恋人在生活中相爱、痛苦、失去、浪漫、原谅。《女婿难当》讲述的是任家一家老小的故事，任大伟和女婿曾自强，处身在一个丈母娘强势的家 庭之中。老少两代女婿，不但要应付种种家庭危机，还要费劲心思和强势的丈母娘斗法，和任性的小姨子斗法。尤其是围绕着怀孕、买房等问题时，女婿花招百出，丈母娘也是费尽心机。剧集虽然讲述的是家长里短的故事，但是也折射出许多社会的现实来。