init

src/App.vue

@@ -0,0 +1,27 @@
+<template>
+  <router-view v-slot="{ Component }">
+    <keep-alive :include="includeList">
+      <component :is="Component"></component>
+    </keep-alive>
+  </router-view>
+</template>
+
+<script lang="ts" setup>
+import { ref, watch } from 'vue'
+import { RouteLocationNormalizedLoaded, useRoute } from 'vue-router'
+
+const includeList = ref<string[]>([])
+const route = useRoute()
+
+watch(route, (to: RouteLocationNormalizedLoaded) => {
+  if (to.meta?.keepAlive && includeList.value.indexOf(to.name as string) === -1) {
+    includeList.value.push(to.name as string)
+  }
+})
+</script>
+
+<style lang="less">
+body {
+  background: #f7f8fa;
+}
+</style>