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当keep-alive使用include缓存部分组件时,同时使用了transition的mode,缓存不起作用 #1337

@jonnykay

Description

@jonnykay

代码如下
vue代码:

<template>
  <div>
    <transition :name="transitionName" mode='out-in'>
      <keep-alive include="a">
        <router-view class="routerview"></router-view>
      </keep-alive>
    </transition>
  </div>
</template>

<script>
  export default {
    data () {
      return {
        transitionName: 'slide-left'
      }
    },
    beforeRouteUpdate (to, from, next) {
      let isBack = this.$router.isBack
      if (isBack) {
        this.transitionName = 'slide-right'
      } else {
        this.transitionName = 'slide-left'
      }
      this.$router.isBack = false
      next()
    }
  }
</script>

<style scoped>
  .routerview {
    /*position: absolute;*/
    width:100%;
    transition: all .3s cubic-bezier(.55,0,.1,1);
  }
  .slide-left-enter, .slide-right-leave-active {
    opacity: 0;
    -webkit-transform: translate(50px, 0);
    transform: translate(50px, 0);
  }
  .slide-left-leave-active, .slide-right-enter {
    opacity: 0;
    -webkit-transform: translate(-50px, 0);
    transform: translate(-50px, 0);
  }
</style>

如果取消mode='out-in',a组件是可以缓存的,否则a组件无法缓存,a组件还是重新加载了。
vue版本2.2.6
vue-router版本:2.3.0

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