From e11e6999a9e170e317d9fa472769860dd7f46652 Mon Sep 17 00:00:00 2001
From: huxin <huxin@123.com>
Date: Fri, 1 Aug 2025 22:51:44 +0800
Subject: [PATCH] =?UTF-8?q?=E7=83=AD=E5=8A=9B=E4=B8=8A=E5=9B=BE=E5=8A=9F?=
 =?UTF-8?q?=E8=83=BDBUG=E5=A4=84=E7=90=86?=
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---
 .../src/components/TopNav/index.vue           | 216 ++++++++++++++++++
 1 file changed, 216 insertions(+)
 create mode 100644 Dkl-vue3-ui-DP/src/components/TopNav/index.vue

diff --git a/Dkl-vue3-ui-DP/src/components/TopNav/index.vue b/Dkl-vue3-ui-DP/src/components/TopNav/index.vue
new file mode 100644
index 0000000..eed37b9
--- /dev/null
+++ b/Dkl-vue3-ui-DP/src/components/TopNav/index.vue
@@ -0,0 +1,216 @@
+<template>
+  <el-menu
+    :default-active="activeMenu"
+    mode="horizontal"
+    @select="handleSelect"
+    :ellipsis="false"
+  >
+    <template v-for="(item, index) in topMenus">
+      <el-menu-item :style="{'--theme': theme}" :index="item.path" :key="index" v-if="index < visibleNumber">
+        <svg-icon
+        v-if="item.meta && item.meta.icon && item.meta.icon !== '#'"
+        :icon-class="item.meta.icon"/>
+        {{ item.meta.title }}
+      </el-menu-item>
+    </template>
+
+    <!-- 顶部菜单超出数量折叠 -->
+    <el-sub-menu :style="{'--theme': theme}" index="more" v-if="topMenus.length > visibleNumber">
+      <template #title>更多菜单</template>
+      <template v-for="(item, index) in topMenus">
+        <el-menu-item
+          :index="item.path"
+          :key="index"
+          v-if="index >= visibleNumber">
+        <svg-icon
+          v-if="item.meta && item.meta.icon && item.meta.icon !== '#'"
+          :icon-class="item.meta.icon"/>
+        {{ item.meta.title }}
+        </el-menu-item>
+      </template>
+    </el-sub-menu>
+  </el-menu>
+</template>
+
+<script setup>
+import { constantRoutes } from "@/router"
+import { isHttp } from '@/utils/validate'
+import useAppStore from '@/store/modules/app'
+import useSettingsStore from '@/store/modules/settings'
+import usePermissionStore from '@/store/modules/permission'
+
+// 顶部栏初始数
+const visibleNumber = ref(null);
+// 当前激活菜单的 index
+const currentIndex = ref(null);
+// 隐藏侧边栏路由
+const hideList = ['/index', '/user/profile'];
+
+const appStore = useAppStore()
+const settingsStore = useSettingsStore()
+const permissionStore = usePermissionStore()
+const route = useRoute();
+const router = useRouter();
+
+// 主题颜色
+const theme = computed(() => settingsStore.theme);
+// 所有的路由信息
+const routers = computed(() => permissionStore.topbarRouters);
+
+// 顶部显示菜单
+const topMenus = computed(() => {
+  let topMenus = [];
+  routers.value.map((menu) => {
+    if (menu.hidden !== true) {
+      // 兼容顶部栏一级菜单内部跳转
+      if (menu.path === "/") {
+          topMenus.push(menu.children[0]);
+      } else {
+          topMenus.push(menu);
+      }
+    }
+  })
+  return topMenus;
+})
+
+// 设置子路由
+const childrenMenus = computed(() => {
+  let childrenMenus = [];
+  routers.value.map((router) => {
+    for (let item in router.children) {
+      if (router.children[item].parentPath === undefined) {
+        if(router.path === "/") {
+          router.children[item].path = "/" + router.children[item].path;
+        } else {
+          if(!isHttp(router.children[item].path)) {
+            router.children[item].path = router.path + "/" + router.children[item].path;
+          }
+        }
+        router.children[item].parentPath = router.path;
+      }
+      childrenMenus.push(router.children[item]);
+    }
+  })
+  return constantRoutes.concat(childrenMenus);
+})
+
+// 默认激活的菜单
+const activeMenu = computed(() => {
+  const path = route.path;
+  let activePath = path;
+  if (path !== undefined && path.lastIndexOf("/") > 0 && hideList.indexOf(path) === -1) {
+    const tmpPath = path.substring(1, path.length);
+    if (!route.meta.link) {
+      activePath = "/" + tmpPath.substring(0, tmpPath.indexOf("/"));
+      appStore.toggleSideBarHide(false);
+    }
+  } else if(!route.children) {
+    activePath = path;
+    appStore.toggleSideBarHide(true);
+  }
+  activeRoutes(activePath);
+  return activePath;
+})
+
+function setVisibleNumber() {
+  const width = document.body.getBoundingClientRect().width / 3;
+  visibleNumber.value = parseInt(width / 85);
+}
+
+function handleSelect(key, keyPath) {
+  currentIndex.value = key;
+  const route = routers.value.find(item => item.path === key);
+  if (isHttp(key)) {
+    // http(s):// 路径新窗口打开
+    window.open(key, "_blank");
+  } else if (!route || !route.children) {
+    // 没有子路由路径内部打开
+    const routeMenu = childrenMenus.value.find(item => item.path === key);
+    if (routeMenu && routeMenu.query) {
+      let query = JSON.parse(routeMenu.query);
+      router.push({ path: key, query: query });
+    } else {
+      router.push({ path: key });
+    }
+    appStore.toggleSideBarHide(true);
+  } else {
+    // 显示左侧联动菜单
+    activeRoutes(key);
+    appStore.toggleSideBarHide(false);
+  }
+}
+
+function activeRoutes(key) {
+  let routes = [];
+  if (childrenMenus.value && childrenMenus.value.length > 0) {
+    childrenMenus.value.map((item) => {
+      if (key == item.parentPath || (key == "index" && "" == item.path)) {
+        routes.push(item);
+      }
+    });
+  }
+  if(routes.length > 0) {
+    permissionStore.setSidebarRouters(routes);
+  } else {
+    appStore.toggleSideBarHide(true);
+  }
+  return routes;
+}
+
+onMounted(() => {
+  window.addEventListener('resize', setVisibleNumber)
+})
+onBeforeUnmount(() => {
+  window.removeEventListener('resize', setVisibleNumber)
+})
+
+onMounted(() => {
+  setVisibleNumber()
+})
+</script>
+
+<style lang="scss">
+.topmenu-container.el-menu--horizontal > .el-menu-item {
+  float: left;
+  height: 50px !important;
+  line-height: 50px !important;
+  color: #999093 !important;
+  padding: 0 5px !important;
+  margin: 0 10px !important;
+}
+
+.topmenu-container.el-menu--horizontal > .el-menu-item.is-active, .el-menu--horizontal > .el-sub-menu.is-active .el-submenu__title {
+  border-bottom: 2px solid #{'var(--theme)'} !important;
+  color: #303133;
+}
+
+/* sub-menu item */
+.topmenu-container.el-menu--horizontal > .el-sub-menu .el-sub-menu__title {
+  float: left;
+  height: 50px !important;
+  line-height: 50px !important;
+  color: #999093 !important;
+  padding: 0 5px !important;
+  margin: 0 10px !important;
+}
+
+/* 背景色隐藏 */
+.topmenu-container.el-menu--horizontal>.el-menu-item:not(.is-disabled):focus, .topmenu-container.el-menu--horizontal>.el-menu-item:not(.is-disabled):hover, .topmenu-container.el-menu--horizontal>.el-submenu .el-submenu__title:hover {
+  background-color: #ffffff;
+}
+
+/* 图标右间距 */
+.topmenu-container .svg-icon {
+  margin-right: 4px;
+}
+
+/* topmenu more arrow */
+.topmenu-container .el-sub-menu .el-sub-menu__icon-arrow {
+  position: static;
+  vertical-align: middle;
+  margin-left: 8px;
+  margin-top: 0px;
+}
+
+
+</style>