How to use font icons and svg icons in Vue documents

With the development of front-end technology, more and more websites are beginning to use icons to enhance user experience and interface aesthetics. In the Vue framework, we can use font icons and SVG icons to achieve this purpose. This article explains how to use these two icons.

1. Font icon

Font icon is to make the icon into a font file, and reference the icon through the font. Font icons have the following advantages:

1. can be resized as needed;
2. the icon will not be distorted;
3. supports multi-color icons;
4. Referenced by unicode for ease of use.

Vue.js official documentation has font-awesome pre-installed, and we can use the icons in this library directly.

1. Introduce the FontAwesome font file into the component: (method within the application, recommended)

In the component, we can use import to introduce the font file.

import 'font-awesome/css/font-awesome.min.css'

2. Use font icons in templates:

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fa represents font-awesome, fa-address-card represents this icon name.

3. Using font icons in JS:

We can use FontAwesome through the Icon component instead of using the tag directly.

First, we need to download the vue-awesome library and introduce it into the component.

import Icon from 'vue-awesome/components/Icon'   
Vue.component('icon', Icon)```

然后，我们就可以在JS中使用字体图标了。

```<icon name="address-card" />```

``name``代表FontAwesome中该图标的名称。

二、SVG图标

SVG是一种计算机矢量图形标准，所有SVG图形都是可伸缩的。使用SVG图标的优点：

1. 缩放不会失真；
2. 着色不会失真；
3. 不需要载入一个完整的字体集合。

在Vue.js中，我们可以使用如下库来引入SVG图标：

1. SVG-Loader

首先，我们需要安装svg-loader这个库：

```npm install svg-loader --save-dev```

然后，在webpack.config.js文件的rules加入相应的Loader：

```{test: /.svg/, loader: 'svg-loader'} ```

最后，在组件中使用SVG图标：

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<img src="./assets/my-svg.svg" alt="My SVG">

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##vue-svgicon

vue-svgicon is a Vue.js plug-in for converting .svg files into Vue.js components so that SVG icons can be used directly in .vue files. The steps to use vue-svgicon are as follows:

Step 1: Install vue-svgicon

npm install vue-svgicon -D

Step 2: Create an SVG icon

In the icons directory of the project root directory, create a file my-icon.svg.

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Step 3: Generate Vue component

Create a .vue component my-icon.vue in the root directory to reference my-icon.svg:

  <svg viewBox="0 0 48 48">
    <use xlink:href="#my-icon" />
  </svg>
</template>

<script>
import SvgIcon from 'vue-svgicon'

const req = require.context('@/icons', false, /.svg$/)
const requireAll = requireContext => requireContext.keys().map(requireContext)
requireAll(req)

SvgIcon.register(require.context('@/icons', false, /.svg$/))

export default {
  name: 'my-icon'
}
</script>```

第四步：在.vue文件中使用SVG图标

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`

## icon-class

represents the name of the generated SVG component. It is more convenient to use SVG-Loader and vue-svgicon. In actual work, you can choose one of them according to your needs and use SVG icons in Vue.js.

Summary:

This article briefly introduces the use of font icons and SVG icons in the Vue framework. For front-end development, the use of icons can improve the user experience and enhance the aesthetics of the application. It has many benefits for improving the interactivity and user experience of the website. Using font icons and SVG icons is a common method in the modern web development process, and you can choose according to actual needs.

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