Using Vant in Vue to implement the mobile wizard introduction page effect

With the continuous development of the mobile Internet, more and more companies are beginning to use mobile platforms to display their products or services to users. When showing products or services to users, the wizard introduction page has become an important part of the display form. Vue.js is a popular JavaScript framework, and Vant is an excellent mobile component library based on Vue.js, which can help us quickly build mobile applications. This article will introduce how to use Vue.js and Vant to create a mobile wizard introduction page.

Before we start, we need to make sure that Vue.js and Vant have been installed. For installation methods, please refer to the official documentation. Next, we will introduce in detail how to use the Vant component library to build the mobile wizard introduction page.

The first step is to create the Vue component. Create a .vue file in the project and name it guide.vue. In this file, we use Vant's components to create page elements.

<template>
  <div class="guide-container">
    <van-swipe ref="swipe" :autoplay="3000" loop="false">
      <van-swipe-item v-for="(item, index) in guideList" :key="index">
        <div class="guide-item">
          <img :src="item.imgUrl" />
          <p :class="item.titleClass">{{ item.title }}</p>
          <p :class="item.textClass">{{ item.text }}</p>
        </div>
      </van-swipe-item>
    </van-swipe>
    <van-button type="primary" size="large" @click="goToNext" v-if="current < guideList.length - 1">下一步</van-button>
    <van-button type="primary" size="large" @click="finishGuide" v-else>完成</van-button>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        guideList: [{
            imgUrl: 'image/guide1.jpg',
            title: '欢迎使用Vant Mobile 示例',
            titleClass: 'guide-title',
            text: 'Vant 是有赞前端团队开发的移动端组件库，提供了丰富的基础组件和业务组件，基于 Vue 开发。',
            textClass: 'guide-text'
          },
          {
            imgUrl: 'image/guide2.jpg',
            title: '丰富的基础组件',
            titleClass: 'guide-title',
            text: 'Vant 涵盖了移动端应用开发中常用的各种基础组件，如按钮、导航栏、表单等。',
            textClass: 'guide-text'
          },
          {
            imgUrl: 'image/guide3.jpg',
            title: '大量业务场景',
            titleClass: 'guide-title',
            text: 'Vant 还提供了大量的业务组件，如商品卡片、地址选择器等，可帮助您更快速地构建移动端应用。',
            textClass: 'guide-text'
          }
        ],
        current: 0
      }
    },
    methods: {
      goToNext() {
        this.current++
        this.$refs.swipe.swipeTo(this.current)
      },
      finishGuide() {
        this.$router.replace('/home')
      }
    }
  }
</script>

<style scoped>
  .guide-container {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
  }

  .guide-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .guide-title {
    font-size: 20px;
    color: #333;
    margin-top: 20px;
    margin-bottom: 10px;
  }

  .guide-text {
    font-size: 14px;
    color: #666;
    margin-bottom: 20px;
    text-align: center;
  }
</style>

In this component, we use Vant’s Swipe component to implement sliding switching of pages. Among them, each page is a SwipeItem, and then we loop through the v-for instruction to render each page.

Each page consists of a div, which contains an image, a title and a piece of text. Here, we use three data items guideList, current, and textVisible to control the display and hiding of the page.

When the user clicks the "Next" button, we increase the current value by 1, and then use the refs attribute to reference the swipeTo() method in the Swipe component to slide the Swipe component to the next page. When the user clicks the "Done" button, we use vue-router to navigate the user to the home page of the app.

The second step is style design. In the component, we use scoped styles. In styles, we set appropriate sizes, margins, font sizes and other styles for page elements so that the page has good layout and display effects.

The third step is to register the component into the application. In the application's route definition, we register the component as a route. In this way, users can access the wizard introduction page through routing.

import Vue from 'vue'
import Router from 'vue-router'
import Home from '@/components/Home'
import Guide from '@/components/Guide'

Vue.use(Router)

export default new Router({
  routes: [{
      path: '/',
      name: 'Guide',
      component: Guide
    },
    {
      path: '/home',
      name: 'Home',
      component: Home
    }
  ]
})

The above is a tutorial on using the Vant component library to build a mobile wizard introduction page. We used Vue.js and the Vant component library to easily create a beautiful and practical mobile wizard introduction page. If you want to implement the wizard introduction page effect in your mobile application, you can refer to the code implementation in this article, or you can modify and expand the code according to your actual needs.

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