Let's talk about whether the Vue project will encapsulate the layout component

Vue.js is a progressive framework for building user interfaces. Its main features are data-driven and componentized.

When developing a Vue project, in order to improve the reusability and maintainability of the code, some codes with similar functions are usually encapsulated to form a component library.

For a complete Vue project, there is usually a component similar to the layout framework, which is used to unify the layout style, navigation bar, footer and other elements of the entire application. This component is the so-called layout component.

So, will the Vue project encapsulate the layout component?

The answer is: Vue projects usually encapsulate layout components to facilitate unified management of the layout style of the entire application.

A complete Vue project usually consists of multiple pages, and the layout style of each page should be consistent to improve the user experience. If you manually write the layout code for each page, it will not only waste time, but also easily lead to inconsistent layout problems. Therefore, encapsulating the layout code into components not only improves the code reuse rate, but also ensures that the layout style of the entire application is consistent.

In the Vue project, developers can encapsulate layout components in a variety of ways. Here are some common ways.

1. Use the component officially provided by Vue Router

Vue Router is the routing manager officially provided by Vue.js, which can help us implement the application Route jump. In Vue Router, the matched routing component can be rendered through the component. Then, we only need to place in the layout component to realize the page layout of the entire application.

Sample code:

<template>
  <div>
    <header>这里是页头</header>
    <router-view></router-view>
    <footer>这里是页脚</footer>
  </div>
</template>

In the above sample code, the component represents the location where the routing component will be rendered. Therefore, the page layout of the entire application is controlled by the layout component.

2. Using subcomponents

In addition to using the component, you can also use subcomponents to encapsulate the layout component. Developers can add the subcomponents of the layout component to all routing configurations that need to use the layout component, and then use the tag in the layout component to introduce these subcomponents.

Sample code:

// 路由配置
const routes = [
  {
    path: '/',
    component: Layout,
    children: [
      {
        path: '',
        component: Home
      }
    ]
  }
]

// Layout组件
<template>
  <div>
    <header>这里是页头</header>
    <slot></slot>
    <footer>这里是页脚</footer>
  </div>
</template>

// Home组件
<template>
  <div>这里是Home页面</div>
</template>

In the above sample code, the tag in the Layout component indicates that the child component will be introduced. Therefore, when the route jumps to the corresponding page, the corresponding subcomponent will be rendered into the tag. In this way, the page layout of the entire application is controlled by the Layout component.

3. Using CSS framework

In addition to the above two methods, you can also use CSS framework to encapsulate layout components. Common CSS frameworks such as Bootstrap, Vuetify, etc., all provide rich layout components, such as grids, columns, containers, etc. Developers only need to introduce the CSS framework into the application, and then write code according to the layout rules provided by the framework to realize the page layout of the entire application.

Sample code:

// 引入Vuetify框架
import Vue from 'vue'
import Vuetify from 'vuetify'
import 'vuetify/dist/vuetify.css'

Vue.use(Vuetify)

// Layout组件
<template>
  <v-app>
    <v-app-bar app color="primary">这里是页头</v-app-bar>
    <v-content>
      <v-container fluid>
        <slot></slot>
      </v-container>
    </v-content>
    <v-footer app color="primary">这里是页脚</v-footer>
  </v-app>
</template>

In the above sample code, the Layout component uses , , , , and other components to implement page layout. In this way, the page layout of the entire application has the style and characteristics of the Vuetify framework.

To sum up, Vue projects usually encapsulate layout components to facilitate unified management of the layout style of the entire application. Developers can choose different ways to encapsulate layout components according to their actual needs. But no matter which method is used, you should consider whether the layout style of the entire application is consistent to improve the user experience.

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