From ecc7a8be46475f5d7235073214857e241d4741dd Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期三, 16 十二月 2020 20:57:48 +0800
Subject: [PATCH] 优化多级菜单之间切换无法缓存的问题
---
ruoyi-ui/src/layout/components/AppMain.vue | 121 +++-------------------------------------
1 files changed, 9 insertions(+), 112 deletions(-)
diff --git a/ruoyi-ui/src/layout/components/AppMain.vue b/ruoyi-ui/src/layout/components/AppMain.vue
index 8da5714..423437b 100644
--- a/ruoyi-ui/src/layout/components/AppMain.vue
+++ b/ruoyi-ui/src/layout/components/AppMain.vue
@@ -1,8 +1,7 @@
-<!-- @author ruoyi 20201128 支持三级以上菜单缓存 -->
<template>
<section class="app-main">
<transition name="fade-transform" mode="out-in">
- <keep-alive :max="20" :exclude="notCacheName">
+ <keep-alive :include="cachedViews">
<router-view :key="key" />
</keep-alive>
</transition>
@@ -10,119 +9,17 @@
</template>
<script>
-import Global from "@/layout/components/global.js";
-
export default {
name: 'AppMain',
computed: {
- notCacheName() {
- var visitedViews = this.$store.state.tagsView.visitedViews;
- var noCacheViews = [];
- Object.keys(visitedViews).some((index) => {
- if (visitedViews[index].meta.noCache) {
- noCacheViews.push(visitedViews[index].name);
- }
- });
- return noCacheViews;
+ cachedViews() {
+ return this.$store.state.tagsView.cachedViews
},
key() {
- return this.$route.path;
- },
- },
- mounted() {
- // 关闭标签触发
- Global.$on("removeCache", (name, view) => {
- this.removeCache(name, view);
- });
- },
- methods: {
- // 获取有keep-alive子节点的Vnode
- getVnode() {
- // 判断子集非空
- if (this.$children.length == 0) return false;
- let vnode;
- for (let item of this.$children) {
- // 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
- if (item.$vnode.data.key) {
- vnode = item.$vnode;
- break;
- }
- }
- return vnode ? vnode : false;
- },
- // 移除keep-alive缓存
- removeCache(name, view = {}) {
- let vnode = this.getVnode();
- if (!vnode) return false;
- let componentInstance = vnode.parent.componentInstance;
- // 这个key是用来获取前缀用来后面正则匹配用的
- let keyStart = vnode.key.split("/")[0];
- let thisKey = `${keyStart}${view.fullPath}`;
- let regKey = `${keyStart}${view.path}`;
-
- this[name]({ componentInstance, thisKey, regKey });
- },
- // 移除其他
- closeOthersTags({ componentInstance, thisKey }) {
- Object.keys(componentInstance.cache).forEach((key, index) => {
- if (key != thisKey) {
- // 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)
- if (componentInstance.cache[key]) {
- componentInstance.cache[key].componentInstance.$destroy();
- }
- // 删除缓存
- delete componentInstance.cache[key];
- // 移除key中对应的key
- componentInstance.keys.splice(index, 1);
- }
- });
- },
- // 移除所有缓存
- closeAllTags({ componentInstance }) {
- // 销毁实例
- Object.keys(componentInstance.cache).forEach((key) => {
- if (componentInstance.cache[key]) {
- componentInstance.cache[key].componentInstance.$destroy();
- }
- });
- // 删除缓存
- componentInstance.cache = {};
- // 移除key中对应的key
- componentInstance.keys = [];
- },
- // 移除单个缓存
- closeSelectedTag({ componentInstance, regKey }) {
- let reg = new RegExp(`^${regKey}`);
- Object.keys(componentInstance.cache).forEach((key, i) => {
- if (reg.test(key)) {
- // 销毁实例
- if (componentInstance.cache[key]) {
- componentInstance.cache[key].componentInstance.$destroy();
- }
- // 删除缓存
- delete componentInstance.cache[key];
- // 移除key中对应的key
- componentInstance.keys.splice(i, 1);
- }
- });
- },
- // 刷新单个缓存
- refreshSelectedTag({ componentInstance, thisKey }) {
- Object.keys(componentInstance.cache).forEach((key, index) => {
- if (null != thisKey && key.replace("/redirect", "") == thisKey) {
- // 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)
- if (componentInstance.cache[key]) {
- componentInstance.cache[key].componentInstance.$destroy();
- }
- // 2 删除缓存
- delete componentInstance.cache[key];
- // 3 移除key中对应的key
- componentInstance.keys.splice(index, 1);
- }
- });
- },
- },
-};
+ return this.$route.path
+ }
+ }
+}
</script>
<style lang="scss" scoped>
@@ -134,7 +31,7 @@
overflow: hidden;
}
-.fixed-header + .app-main {
+.fixed-header+.app-main {
padding-top: 50px;
}
@@ -144,7 +41,7 @@
min-height: calc(100vh - 84px);
}
- .fixed-header + .app-main {
+ .fixed-header+.app-main {
padding-top: 84px;
}
}
--
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