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@ -1,8 +1,7 @@ |
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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 :max="20" :exclude="notCacheName"> |
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<keep-alive :include="cachedViews"> |
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<router-view :key="key" /> |
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</keep-alive> |
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</transition> |
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@ -10,119 +9,17 @@ |
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</template> |
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<script> |
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import Global from "@/layout/components/global.js"; |
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export default { |
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name: 'AppMain', |
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computed: { |
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notCacheName() { |
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var visitedViews = this.$store.state.tagsView.visitedViews; |
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var noCacheViews = []; |
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Object.keys(visitedViews).some((index) => { |
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if (visitedViews[index].meta.noCache) { |
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noCacheViews.push(visitedViews[index].name); |
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} |
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}); |
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return noCacheViews; |
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cachedViews() { |
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return this.$store.state.tagsView.cachedViews |
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}, |
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key() { |
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return this.$route.path; |
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}, |
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}, |
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mounted() { |
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// 关闭标签触发 |
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Global.$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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return this.$route.path |
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} |
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} |
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return vnode ? vnode : false; |
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}, |
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// 移除keep-alive缓存 |
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removeCache(name, view = {}) { |
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let vnode = this.getVnode(); |
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if (!vnode) return false; |
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let componentInstance = vnode.parent.componentInstance; |
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// 这个key是用来获取前缀用来后面正则匹配用的 |
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let keyStart = vnode.key.split("/")[0]; |
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let thisKey = `${keyStart}${view.fullPath}`; |
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let regKey = `${keyStart}${view.path}`; |
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this[name]({ componentInstance, thisKey, regKey }); |
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}, |
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// 移除其他 |
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closeOthersTags({ componentInstance, thisKey }) { |
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Object.keys(componentInstance.cache).forEach((key, index) => { |
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if (key != thisKey) { |
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// 销毁实例(这里存在多个key指向一个缓存的情况可能前面一个已经清除掉了所有要加判断) |
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if (componentInstance.cache[key]) { |
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componentInstance.cache[key].componentInstance.$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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<style lang="scss" scoped> |
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RuoYi
4 years ago