60 lines
1.5 KiB
Vue
60 lines
1.5 KiB
Vue
<template>
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<router-view v-slot="{ Component, route }">
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<keep-alive :include="cachedViews">
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<component :is="Component" :key="route.name" />
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</keep-alive>
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</router-view>
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</template>
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<script setup lang="ts">
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import { ref, watch } from 'vue'
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import { useRoute } from 'vue-router'
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const route = useRoute()
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// 缓存的组件名称列表
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const cachedViews = ref<string[]>([])
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// 监听路由变化，管理缓存
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watch(
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() => route,
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(newRoute) => {
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const routeName = newRoute.name as string
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const shouldCache = newRoute.meta?.cache === true
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// console.log('🔄 路由变化:', { routeName, shouldCache, currentCache: cachedViews.value })
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if (shouldCache && routeName && !cachedViews.value.includes(routeName)) {
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cachedViews.value.push(routeName)
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// console.log('✅ 添加到缓存:', routeName)
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} else if (!shouldCache && routeName && cachedViews.value.includes(routeName)) {
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// 从缓存列表中移除
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const index = cachedViews.value.indexOf(routeName)
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if (index > -1) {
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cachedViews.value.splice(index, 1)
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// console.log('❌ 从缓存移除:', routeName)
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}
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}
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},
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{ immediate: true, deep: true }
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)
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// 提供清除缓存的方法
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const clearCache = (routeName?: string) => {
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if (routeName) {
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const index = cachedViews.value.indexOf(routeName)
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if (index > -1) {
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cachedViews.value.splice(index, 1)
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}
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} else {
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cachedViews.value = []
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}
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}
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// 暴露方法供外部使用
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defineExpose({
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clearCache,
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cachedViews
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})
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</script>
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