基于Vue实现页面切换左右滑动效果

基于Vue的页面切换左右滑动效果，具体内容如下

HTML文本页面：

<template>
 <div id="app>
  <transition :name="direction" mode="out-in"> <!--动态获得transition 的name值-->
   <router-view class="app-view" wechat-title></router-view>
  </transition>
 </div>
</template>

JS定义代码：定义在全局js文件里面

router.beforeEach((to, from, next) => {
  const list = ['home', 'group', 'user']  // 将需要切换效果的路由名称组成一个数组
  const toName = to.name  // 即将进入的路由名字
  const fromName = from.name  // 即将离开的路由名字
  const toIndex = list.indexOf(toName)  // 进入下标
  const fromIndex = list.indexOf(fromName)  // 离开下标
  let direction = ''

  if (toIndex > -1 && fromIndex > -1) {  // 如果下标都存在
   if (toIndex < fromIndex) {     // 如果进入的下标小于离开的下标，那么是左滑
    direction = 'left'
   } else {
    direction = 'right'     // 如果进入的下标大于离开的下标，那么是右滑
   }
  }

  store.state.viewDirection = direction //这里使用vuex进行赋值

  return next()
 })

在App.vue文件中，进行计算属性：

computed: {

   direction () {
    const viewDir = this.$store.state.viewDirection
    let tranName = ''

    if (viewDir === 'left') {
     tranName = 'view-out'
    } else if (viewDir === 'right') {
     tranName = 'view-in'
    } else {
     tranName = 'fade'
    }

    return tranName
   },
  },

css3进行动画效果定义：使用sass

待定义引入样式文件：

// Variables
$AnimateHook: "animated";
$AnimateDuration: 0.8s;

// Mixins

// Base Style
.#{$AnimateHook} {
 -webkit-animation-duration: $AnimateDuration;
 animation-duration: $AnimateDuration;
 -webkit-animation-fill-mode: both;
 animation-fill-mode: both;

 // Modifier for infinite repetition
 &.infinite {
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
 }

}

// Slide
@-webkit-keyframes slideInLeft {
 from {
  -webkit-transform: translate3d(-100%, 0, 0);
  transform: translate3d(-100%, 0, 0);
  visibility: visible;
 }

 to {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

}

@keyframes slideInLeft {
 from {
  -webkit-transform: translate3d(-100%, 0, 0);
  transform: translate3d(-100%, 0, 0);
  visibility: visible;
 }

 to {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

}

.slideInLeft {
 -webkit-animation-name: slideInLeft;
 animation-name: slideInLeft;
}

@-webkit-keyframes slideInRight {
 from {
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0);
  visibility: visible;
 }

 to {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

}

@keyframes slideInRight {
 from {
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0);
  visibility: visible;
 }

 to {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

}

.slideInRight {
 -webkit-animation-name: slideInRight;
 animation-name: slideInRight;
}

@-webkit-keyframes slideOutLeft {
 from {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

 to {
  visibility: hidden;
  -webkit-transform: translate3d(-100%, 0, 0);
  transform: translate3d(-100%, 0, 0);
 }

}

@keyframes slideOutLeft {
 from {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

 to {
  visibility: hidden;
  -webkit-transform: translate3d(-100%, 0, 0);
  transform: translate3d(-100%, 0, 0);
 }

}

.slideOutLeft {
 -webkit-animation-name: slideOutLeft;
 animation-name: slideOutLeft;
}

@-webkit-keyframes slideOutRight {
 from {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

 to {
  visibility: hidden;
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0);
 }

}

@keyframes slideOutRight {
 from {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
 }

 to {
  visibility: hidden;
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0);
 }

}

.slideOutRight {
 -webkit-animation-name: slideOutRight;
 animation-name: slideOutRight;
}

@-webkit-keyframes inRight {
 0% {
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0)
 }

 to {
  -webkit-transform: translateZ(0);
  transform: translateZ(0)
 }

}

@keyframes inRight {
 0% {
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0)
 }

 to {
  -webkit-transform: translateZ(0);
  transform: translateZ(0)
 }

}

@-webkit-keyframes outLeft {
 0% {
  -webkit-transform: translateZ(0);
  transform: translateZ(0)
 }

 to {
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0)
 }

}

@keyframes outLeft {
 0% {
  -webkit-transform: translateZ(0);
  transform: translateZ(0)
 }

 to {
  -webkit-transform: translate3d(100%, 0, 0);
  transform: translate3d(100%, 0, 0)
 }

}

定义进入与离开的动画过渡：

.fade-enter-active,
.fade-leave-active {
 transition: all .2s ease;
}

.fade-enter,
.fade-leave-active {
 opacity: 0;
}

.view-in-enter-active,
.view-out-leave-active {
 position: absolute;
 top: 0;
 width: 100%;
 padding-top: px2rem($titbarHeight);
 -webkit-animation-duration: .3s;
 animation-duration: .3s;
 -webkit-animation-fill-mode: both;
 animation-fill-mode: both;
 -webkit-backface-visibility: hidden;
 backface-visibility: hidden;
}

.view-in-enter-active {
 -webkit-animation-name: inRight;
 animation-name: inRight;
}

.view-out-leave-active {
 -webkit-animation-name: outLeft;
 animation-name: outLeft;
}

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