From 6f0191577f1344e68b1884c16f152518932504b6 Mon Sep 17 00:00:00 2001
From: ray <1490493387@qq.com>
Date: Thu, 10 Oct 2024 08:29:38 +0800
Subject: [PATCH] =?UTF-8?q?refactor:=20:recycle:=20=E4=BB=A3=E7=A0=81?=
 =?UTF-8?q?=E8=A7=84=E8=8C=83=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

---
 .../Sidebar/components/SidebarMenu.vue        | 77 +++++++++++--------
 .../Sidebar/components/SidebarMenuItem.vue    | 26 ++++---
 2 files changed, 58 insertions(+), 45 deletions(-)

diff --git a/src/layout/components/Sidebar/components/SidebarMenu.vue b/src/layout/components/Sidebar/components/SidebarMenu.vue
index 526a24ce..5936a1f9 100644
--- a/src/layout/components/Sidebar/components/SidebarMenu.vue
+++ b/src/layout/components/Sidebar/components/SidebarMenu.vue
@@ -9,7 +9,7 @@
     :active-text-color="variables['menu-active-text']"
     :unique-opened="false"
     :collapse-transition="false"
-    :mode="mode"
+    :mode="menuMode"
     @open="handleOpen"
     @close="handleClose"
   >
@@ -17,72 +17,83 @@
       v-for="route in menuList"
       :key="route.path"
       :item="route"
-      :base-path="resolvePath(route.path)"
+      :base-path="getFullPath(route.path)"
     />
   </el-menu>
 </template>
 
 <script lang="ts" setup>
-import { useSettingsStore, useAppStore } from "@/store";
-import { isExternal } from "@/utils/index";
-import path from "path-browserify";
-import variables from "@/styles/variables.module.scss";
-import { LayoutEnum } from "@/enums/LayoutEnum";
-import type { MenuInstance } from "element-plus";
+import path from "path-browserify"; // 第三方库
+import { useSettingsStore, useAppStore } from "@/store"; // 内部模块
+import { isExternal } from "@/utils/index"; // 工具函数
+import variables from "@/styles/variables.module.scss"; // 样式
+import { LayoutEnum } from "@/enums/LayoutEnum"; // 枚举
+import type { MenuInstance } from "element-plus"; // 类型
 
-const menuRef = ref<MenuInstance>();
-const settingsStore = useSettingsStore();
-const appStore = useAppStore();
-const currentRoute = useRoute();
+// 定义组件 props
 const props = defineProps({
   menuList: {
-    required: true,
-    default: () => {
-      return [];
-    },
     type: Array<any>,
+    required: true,
+    default: () => [],
   },
   basePath: {
     type: String,
     required: true,
   },
 });
-const mode = computed(() => {
+
+const menuRef = ref<MenuInstance>();
+const settingsStore = useSettingsStore();
+const appStore = useAppStore();
+const currentRoute = useRoute();
+
+// 根据布局计算菜单模式
+const menuMode = computed(() => {
   return settingsStore.layout === LayoutEnum.TOP ? "horizontal" : "vertical";
 });
-
 /**
- * 解析路径
- *
+ * 获取完整路径
  * @param routePath 路由路径 /user
+ * @returns 完整的路径
  */
-function resolvePath(routePath: string) {
+function getFullPath(routePath: string) {
   if (isExternal(routePath)) {
     return routePath;
   }
   if (isExternal(props.basePath)) {
     return props.basePath;
   }
-
-  // 完整绝对路径 = 父级路径(/system) + 路由路径(/user)
-  const fullPath = path.resolve(props.basePath, routePath);
-  return fullPath;
+  return path.resolve(props.basePath, routePath); // 父路径 + 子路径
 }
+
+// 存储已打开菜单的索引
+const openMenuIndexes = ref<string[]>([]);
+
 /**
- * 修复切换到horizontal时，展开的菜单显示问题，切换时关闭全部菜单
+ * 菜单打开时添加索引
+ * @param index 当前菜单索引
  */
-const menuIndexArray = ref<string[]>([]);
-const handleOpen = (index: string, keyPath: string[]) => {
-  menuIndexArray.value.push(index);
+const handleOpen = (index: string) => {
+  openMenuIndexes.value.push(index);
 };
+
+/**
+ * 菜单关闭时移除索引
+ * @param index 当前菜单索引
+ */
 const handleClose = (index: string) => {
-  menuIndexArray.value = menuIndexArray.value.filter((item) => item !== index);
+  openMenuIndexes.value = openMenuIndexes.value.filter(
+    (item) => item !== index
+  );
 };
+
+// 监听菜单模式变化，横向时关闭所有菜单
 watch(
-  () => mode.value,
+  () => menuMode.value,
   () => {
-    if (mode.value === "horizontal") {
-      menuIndexArray.value.map((item: string) => menuRef.value!.close(item));
+    if (menuMode.value === "horizontal") {
+      openMenuIndexes.value.forEach((item) => menuRef.value!.close(item));
     }
   }
 );
diff --git a/src/layout/components/Sidebar/components/SidebarMenuItem.vue b/src/layout/components/Sidebar/components/SidebarMenuItem.vue
index b742eadf..2fe39daa 100644
--- a/src/layout/components/Sidebar/components/SidebarMenuItem.vue
+++ b/src/layout/components/Sidebar/components/SidebarMenuItem.vue
@@ -1,7 +1,7 @@
 <template>
-  <!-- 如果菜单项没有隐藏则显示 -->
+  <!-- 如果菜单项未隐藏，显示菜单项 -->
   <div v-if="!item.meta || !item.meta.hidden">
-    <!-- 显示只有一个子路由或没有子路由的菜单项 -->
+    <!-- 如果只有一个子路由或没有子路由，显示该菜单项 -->
     <template
       v-if="
         hasOneShowingChild(item.children, item as RouteRecordRaw) &&
@@ -28,7 +28,7 @@
       </AppLink>
     </template>
 
-    <!-- 显示具有多个子路由的父菜单项 -->
+    <!-- 如果有多个子路由，显示父菜单项 -->
     <el-sub-menu v-else :index="resolvePath(item.path)" teleported>
       <template #title>
         <SidebarMenuItemTitle
@@ -48,6 +48,7 @@
     </el-sub-menu>
   </div>
 </template>
+
 <script setup lang="ts">
 defineOptions({
   name: "SidebarMenuItem",
@@ -60,7 +61,7 @@ import { RouteRecordRaw } from "vue-router";
 
 const props = defineProps({
   /**
-   * 当前路由项对象
+   * 当前路由对象
    */
   item: {
     type: Object,
@@ -68,12 +69,13 @@ const props = defineProps({
   },
 
   /**
-   * 父层级完整路由路径
+   * 父级完整路径
    */
   basePath: {
     type: String,
     required: true,
   },
+
   /**
    * 是否为嵌套路由
    */
@@ -86,17 +88,17 @@ const props = defineProps({
 const onlyOneChild = ref();
 
 /**
- * 判断当前路由是否只有一个显示的子路由
+ * 判断是否只有一个可见的子路由
  *
  * @param children 子路由数组
  * @param parent 父级路由对象
- * @returns 布尔值，表示是否只有一个显示的子路由
+ * @returns 是否只有一个可见子路由
  */
 function hasOneShowingChild(
   children: RouteRecordRaw[] = [],
   parent: RouteRecordRaw
 ) {
-  // 筛选出需要显示的子路由
+  // 筛选出可见的子路由
   const showingChildren = children.filter((route: RouteRecordRaw) => {
     if (route.meta?.hidden) {
       return false;
@@ -107,12 +109,12 @@ function hasOneShowingChild(
     }
   });
 
-  // 如果只有一个或没有显示的子路由
+  // 如果只有一个或没有可见的子路由
   if (showingChildren.length === 1) {
     return true;
   }
 
-  // 如果没有子路由，显示父级路由
+  // 如果没有子路由，使用父级路由
   if (showingChildren.length === 0) {
     onlyOneChild.value = { ...parent, path: "", noShowingChildren: true };
     return true;
@@ -121,7 +123,7 @@ function hasOneShowingChild(
 }
 
 /**
- * 解析路由路径，将相对路径转换为绝对路径
+ * 解析路径，将相对路径转换为绝对路径
  *
  * @param routePath 路由路径
  * @returns 绝对路径
@@ -134,7 +136,7 @@ function resolvePath(routePath: string) {
     return props.basePath;
   }
 
-  // 完整路径(/system/user) = 父级路径(/system) + 路由路径(user)
+  // 组合父级路径和路由路径形成完整路径
   const fullPath = path.resolve(props.basePath, routePath);
   return fullPath;
 }