sen-yu-new-web/src/components/layouts/RouteView.vue

<template>
  <div class="main">
    <keep-alive>
      <router-view v-if="keepAlive" />
    </keep-alive>
    <router-view v-if="!keepAlive" />
  </div>

<!-- 以下注释是原始版本

  <template>
  <div class="main">
    <keep-alive :include="includedComponents">
      <router-view v-if="keepAlive" />
    </keep-alive>
    <router-view v-if="!keepAlive" />
  </div>
</template>

<script>
  import Vue from 'vue'
  import { CACHE_INCLUDED_ROUTES } from '@/store/mutation-types'

  export default {
    name: 'RouteView',
    computed: {
      // update-begin--Author:scott  Date:20201015 for：路由缓存问题，关闭了tab页时再打开就不刷新 #842
      includedComponents() {
        const includedRouters = Vue.ls.get(CACHE_INCLUDED_ROUTES)
        console.log('includedRouters：' + includedRouters)

        // 如果是缓存路由，则加入到 cache_included_routes
        if (this.$route.meta.keepAlive && this.$route.meta.componentName) {
          let cacheRouterArray = Vue.ls.get(CACHE_INCLUDED_ROUTES) || []
          if (!cacheRouterArray.includes(this.$route.meta.componentName)) {
            cacheRouterArray.push(this.$route.meta.componentName)
            // cacheRouterArray.push("OnlCgformHeadList")
            console.log('Vue ls set componentName ：' + this.$route.meta.componentName)
            Vue.ls.set(CACHE_INCLUDED_ROUTES, cacheRouterArray)
            console.log('Vue ls includedRouterArrays ：' + Vue.ls.get(CACHE_INCLUDED_ROUTES))
            return cacheRouterArray
          }
        }
        return includedRouters
      },
      // update-end--Author:scott  Date:20201015 for：路由缓存问题，关闭了tab页时再打开就不刷新 #842
      keepAlive () {
        return this.$route.meta.keepAlive
      }
    }
  }
</script>

 以上注释是原始版本    -->

</template>

<script>
export default {
    name: 'RouteView',
    computed: {
        keepAlive () {
            return this.$route.meta.keepAlive
        }
    }
}
</script>