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| | | <!-- @author ruoyi 20201128 支持三级以上菜单缓存 -->
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| | | <template>
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| | | <section class="app-main">
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| | | <transition name="fade-transform" mode="out-in">
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| | | <keep-alive :include="cachedViews">
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| | | <keep-alive :max="20" :exclude="notCacheName">
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| | | <router-view :key="key" />
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| | | </keep-alive>
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| | | </transition>
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| | |
| | | </template>
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| | |
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| | | <script>
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| | | import Global from "@/layout/components/global.js";
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| | |
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| | | export default {
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| | | name: 'AppMain',
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| | | computed: {
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| | | cachedViews() {
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| | | return this.$store.state.tagsView.cachedViews
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| | | notCacheName() {
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| | | var visitedViews = this.$store.state.tagsView.visitedViews;
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| | | var noCacheViews = [];
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| | | Object.keys(visitedViews).some((index) => {
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| | | if (visitedViews[index].meta.noCache) {
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| | | noCacheViews.push(visitedViews[index].name);
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| | | }
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| | | });
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| | | return noCacheViews;
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| | | },
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| | | key() {
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| | | return this.$route.path
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| | | }
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| | | }
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| | | }
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| | | return this.$route.path;
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| | | },
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| | | },
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| | | mounted() {
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| | | // 关闭标签触发
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| | | Global.$on("removeCache", (name, view) => {
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| | | this.removeCache(name, view);
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| | | });
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| | | },
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| | | methods: {
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| | | // 获取有keep-alive子节点的Vnode
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| | | getVnode() {
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| | | // 判断子集非空
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| | | if (this.$children.length == 0) return false;
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| | | let vnode;
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| | | for (let item of this.$children) {
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| | | // 如果data中有key则代表找到了keep-alive下面的子集,这个key就是router-view上的key
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| | | if (item.$vnode.data.key) {
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| | | vnode = item.$vnode;
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| | | break;
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| | | }
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| | | }
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| | | return vnode ? vnode : false;
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| | | },
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| | | // 移除keep-alive缓存
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| | | removeCache(name, view = {}) {
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| | | let vnode = this.getVnode();
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| | | if (!vnode) return false;
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| | | let componentInstance = vnode.parent.componentInstance;
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| | | // 这个key是用来获取前缀用来后面正则匹配用的
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| | | let keyStart = vnode.key.split("/")[0];
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| | | let thisKey = `${keyStart}${view.fullPath}`;
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| | | let regKey = `${keyStart}${view.path}`;
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| | |
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| | | this[name]({ componentInstance, thisKey, regKey });
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| | | },
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| | | // 移除其他
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| | | closeOthersTags({ componentInstance, thisKey }) {
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| | | Object.keys(componentInstance.cache).forEach((key, index) => {
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| | | if (key != thisKey) {
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| | | // 销毁实例(这里存在多个key指向一个缓存的情况可能前面一个已经清除掉了所有要加判断)
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| | | if (componentInstance.cache[key]) {
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| | | componentInstance.cache[key].componentInstance.$destroy();
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| | | }
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| | | // 删除缓存
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| | | delete componentInstance.cache[key];
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| | | // 移除key中对应的key
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| | | componentInstance.keys.splice(index, 1);
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| | | }
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| | | });
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| | | },
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| | | // 移除所有缓存
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| | | closeAllTags({ componentInstance }) {
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| | | // 销毁实例
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| | | Object.keys(componentInstance.cache).forEach((key) => {
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| | | if (componentInstance.cache[key]) {
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| | | componentInstance.cache[key].componentInstance.$destroy();
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| | | }
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| | | });
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| | | // 删除缓存
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| | | componentInstance.cache = {};
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| | | // 移除key中对应的key
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| | | componentInstance.keys = [];
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| | | },
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| | | // 移除单个缓存
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| | | closeSelectedTag({ componentInstance, regKey }) {
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| | | let reg = new RegExp(`^${regKey}`);
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| | | Object.keys(componentInstance.cache).forEach((key, i) => {
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| | | if (reg.test(key)) {
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| | | // 销毁实例
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| | | if (componentInstance.cache[key]) {
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| | | componentInstance.cache[key].componentInstance.$destroy();
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| | | }
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| | | // 删除缓存
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| | | delete componentInstance.cache[key];
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| | | // 移除key中对应的key
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| | | componentInstance.keys.splice(i, 1);
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| | | }
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| | | });
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| | | },
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| | | // 刷新单个缓存
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| | | refreshSelectedTag({ componentInstance, thisKey }) {
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| | | Object.keys(componentInstance.cache).forEach((key, index) => {
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| | | if (null != thisKey && key.replace("/redirect", "") == thisKey) {
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| | | // 1 销毁实例(这里存在多个key指向一个缓存的情况可能前面一个已经清除掉了所有要加判断)
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| | | if (componentInstance.cache[key]) {
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| | | componentInstance.cache[key].componentInstance.$destroy();
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| | | }
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| | | // 2 删除缓存
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| | | delete componentInstance.cache[key];
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| | | // 3 移除key中对应的key
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| | | componentInstance.keys.splice(index, 1);
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| | | }
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| | | });
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| | | },
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| | | },
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| | | };
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| | | </script>
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| | |
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| | | <style lang="scss" scoped>
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| | |
| | | overflow: hidden;
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| | | }
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| | |
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| | | .fixed-header+.app-main {
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| | | .fixed-header + .app-main {
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| | | padding-top: 50px;
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| | | }
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| | |
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| | |
| | | min-height: calc(100vh - 84px);
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| | | }
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| | |
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| | | .fixed-header+.app-main {
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| | | .fixed-header + .app-main {
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| | | padding-top: 84px;
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| | | }
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| | | }
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