How to use Vue-Router to implement route nested animation effect in Vue application?

How to use Vue-Router to achieve routing nested animation effects in Vue applications?

Vue-Router is the official routing management plug-in of Vue.js, which can help us easily manage the routing of applications. In addition to basic routing functions, Vue-Router also allows us to add animation effects when switching routes to improve user experience. This article will introduce how to use Vue-Router to implement routing nested animation effects, and provide specific code examples.

First, we need to install and configure Vue-Router. In the Vue project, you can use npm or yarn to install Vue-Router:

npm install vue-router

or

yarn add vue-router

After the installation is complete, introduce Vue-Router in the Vue entry file (main.js) And perform basic configuration:

import Vue from 'vue'
import VueRouter from 'vue-router'
import App from './App.vue'
import Home from './views/Home.vue'
import About from './views/About.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', component: Home },
  { path: '/about', component: About }
]

const router = new VueRouter({
  mode: 'history',
  routes
})

new Vue({
  router,
  render: h => h(App)
}).$mount('#app')

In the above code, we created two routes, one is the root route '/', corresponding to the Home component, and the other is '/about', corresponding to the About component. Vue.use(VueRouter) is used to globally register the Vue-Router plug-in. We then created a Vue routing instance, passed the routing configuration to VueRouter, and mounted the instance into the Vue instance.

Next, we need to use the component in the Vue application to specify the location of route rendering.

<!--App.vue-->
<template>
  <div id="app">
    <router-view></router-view>
  </div>
</template>

Now that we have completed the basic routing configuration and preparation work, let's introduce how to implement the routing nested animation effect.

Vue-Router provides hook functions beforeEnter, beforeLeave and beforeUpdate to help us add animation effects. We can use these hook functions in routing components to control page switching animations.

The following is an example of implementing page switching animation in the Home component:

<!--Home.vue-->
<template>
  <div class="home">
    <h1 id="Welcome-to-Home">Welcome to Home</h1>
  </div>
</template>

<script>
export default {
  beforeRouteEnter(to, from, next) {
    next(vm => {
      // 进入页面的动画
      gsap.from(vm.$el, { opacity: 0, duration: 1 })
    })
  },
  beforeRouteLeave(to, from, next) {
    // 离开页面的动画
    gsap.to(this.$el, { opacity: 0, duration: 1, onComplete: next })
  }
}
</script>

<style>
.home {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}
</style>

In the above code, we use the GSAP animation library to achieve page animation effects. The beforeRouteEnter hook function is called before entering the page, and we use GSAP in the callback function to transition from a state of transparency 0 to a state of transparency 1. The beforeRouteLeave hook function is called before leaving the page, we use GSAP to transition the transparency of the page to 0, and continue to perform route switching after the animation is completed.

The above is the method and sample code on how to use Vue-Router in a Vue application to achieve routing nested animation effects. By using hook functions and animation libraries in components, we can easily implement page switching animation effects and provide users with a better experience. Hope this article is helpful to you!

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