Vue—— 使用keep-alive后刷新组件

Vue2

<button @click="handleRefresh">刷新</button>
<keep-alive v-if="isRefresh">
	<router-view />
</keep-alive>

<script>
export default {
  data() {
    return {
      isRefresh:true
    };
  },
  methods: {
    handleRefresh(){
      this.isRefresh = false
      this.$nextTick(()=>{
        this.isRefresh = true
      })
    }
  }
};
</script>
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Vue3

<template>
  <button @click="handleRefresh">刷新</button>
  <router-view v-slot="{ Component }">
    <keep-alive v-if="isRefresh">
      <component :is="Component" :key="$route.name" />
    </keep-alive>
  </router-view>
</template>

<script lang=ts>
  import { defineComponent, ref , nextTick} from 'vue'

  export default defineComponent({
    name: 'app',
    props: {},
    components: {},
    setup: () => {
      const isRefresh = ref(true)

      const handleRefresh =()=>{
        isRefresh.value = false
        nextTick(()=>{
          isRefresh.value = true
        })
      }

      return {handleRefresh,isRefresh}
    }
  })
</script>
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