How to implement image preview with vue plug-in

Overview

Vue is one of the more popular front-end frameworks and can be used to build SPA (single page application) projects. In Vue, sometimes it is necessary to implement the image preview function. This article will introduce how to use the vue plug-in to implement image preview.

Plugin Introduction

The Vue plug-in is a reusable Vue instance that can be injected into the Vue app. Plug-ins are written by adding methods or components to Vue's prototype properties or Vue's instance properties, which can be easily used anywhere in the Vue app. Commonly used Vue plug-in libraries include Vue-Router, Vuex, etc. These plug-ins can help developers manage the status and routing of Vue applications more conveniently.

vue-preview is an image preview vue component library, which includes image lazy loading, scaling and other functions, and supports preview operations on PC and Mobile. vue-preview is developed based on the Vue.js 2.x library and supports Vue2.0 and above.

Use the vue-preview plug-in to implement image preview

Step 1: Install vue-preview

You can use npm to install vue-preview in the command line terminal:

npm install vue-preview --save-dev

Or use yarn to install:

yarn add vue-preview

Step 2: Introduce vue-preview into Vue app

Introduce vue-preview into the entry file of Vue app:

import VuePreview from 'vue-preview'

Vue.use(VuePreview)

Step 3: Use vue-preview in the Vue component

In the Vue component, you can use vue-preview in the following ways:

<vue-preview :slides="imageList"></vue-preview>

Among them, slides is one of the props attributes of vue-preview. One, used to receive the picture list. imageList is an array variable used to store the URL of the image.

The following is the complete Vue component file:

<script>
import VuePreview from 'vue-preview'

export default {
  name: "Gallery",
  data() {
    return {
      imageList: [
          'https://cdn.pixabay.com/photo/2015/04/23/22/00/tree-736885__340.jpg',
          'https://cdn.pixabay.com/photo/2015/03/26/09/47/sky-690293__340.jpg',
          'https://cdn.pixabay.com/photo/2014/10/22/16/38/sunset-498688__340.jpg'
      ]
    };
  },
  components: {
    VuePreview
  }
};
</script>

In the above code, we define a Vue component named Gallery, define the imageList variable through the data attribute, and pass it to vue- The slides attribute of the preview plug-in. Reference the vue-preview plug-in inside the component and register it in the Vue app.

Step 4: Preview the effect

Open the browser, run the Vue app, and click on the image to preview the effect.

Summary

This article introduces how to use the vue-preview plug-in to implement the image preview function. The use of Vue plug-ins can greatly improve development speed and efficiency, and avoid reinventing the wheel. If you need to preview images, you can try using the vue-preview plug-in. This plug-in is very simple to use and has rich functions.

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