From c2aa7d9428e59233507ab0baf7c98e21b3fe979d Mon Sep 17 00:00:00 2001
From: xiaoxian521 <1923740402@qq.com>
Date: Thu, 18 Nov 2021 08:34:35 +0800
Subject: [PATCH] =?UTF-8?q?perf:=20=E5=90=8C=E6=AD=A5=E4=B8=BB=E5=88=86?=
 =?UTF-8?q?=E6=94=AF=E4=BB=A3=E7=A0=81?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/layout/components/navbar.vue             |   9 ++
 src/layout/components/notice/data.ts         | 146 +++++++++++++++++++++++
 src/layout/components/notice/index.vue       |  80 +++++++++++++
 src/layout/components/notice/noticeItem.vue  | 168 +++++++++++++++++++++++++++
 src/layout/components/notice/noticeList.vue  |  23 ++++
 src/layout/components/sidebar/horizontal.vue |   3 +
 src/plugins/element-plus/index.ts            |  27 +++--
 src/style/sidebar.scss                       |   9 ++
 8 files changed, 458 insertions(+), 7 deletions(-)
 create mode 100644 src/layout/components/notice/data.ts
 create mode 100644 src/layout/components/notice/index.vue
 create mode 100644 src/layout/components/notice/noticeItem.vue
 create mode 100644 src/layout/components/notice/noticeList.vue

diff --git a/src/layout/components/navbar.vue b/src/layout/components/navbar.vue
index 17da9d3..4064e3e 100644
--- a/src/layout/components/navbar.vue
+++ b/src/layout/components/navbar.vue
@@ -5,6 +5,7 @@ import Hamburger from "./sidebar/hamBurger.vue";
 import { useRouter, useRoute } from "vue-router";
 import { storageSession } from "/@/utils/storage";
 import Breadcrumb from "./sidebar/breadCrumb.vue";
+import Notice from "./notice/index.vue";
 import { useAppStoreHook } from "/@/store/modules/app";
 import { unref, watch, getCurrentInstance } from "vue";
 import { deviceDetection } from "/@/utils/deviceDetection";
@@ -70,6 +71,8 @@ function translationEn() {
     <Breadcrumb class="breadcrumb-container" />
 
     <div class="vertical-header-right">
+      <!-- 通知 -->
+      <Notice />
       <!-- 全屏 -->
       <screenfull v-show="!deviceDetection()" />
       <!-- 国际化 -->
@@ -156,6 +159,12 @@ function translationEn() {
     color: #000000d9;
     justify-content: flex-end;
 
+    :deep(.dropdown-badge) {
+      &:hover {
+        background: #f6f6f6;
+      }
+    }
+
     .screen-full {
       cursor: pointer;
 
diff --git a/src/layout/components/notice/data.ts b/src/layout/components/notice/data.ts
new file mode 100644
index 0000000..b918e62
--- /dev/null
+++ b/src/layout/components/notice/data.ts
@@ -0,0 +1,146 @@
+export interface ListItem {
+  avatar: string;
+  title: string;
+  datetime: string;
+  type: string;
+  description: string;
+  status?: "" | "success" | "warning" | "info" | "danger";
+  extra?: string;
+}
+
+export interface TabItem {
+  key: string;
+  name: string;
+  list: ListItem[];
+}
+
+export const noticesData: TabItem[] = [
+  {
+    key: "1",
+    name: "通知",
+    list: [
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/ThXAXghbEsBCCSDihZxY.png",
+        title: "你收到了 12 份新周报",
+        datetime: "一年前",
+        description: "",
+        type: "1"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/OKJXDXrmkNshAMvwtvhu.png",
+        title: "你推荐的 前端高手 已通过第三轮面试",
+        datetime: "一年前",
+        description: "",
+        type: "1"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/kISTdvpyTAhtGxpovNWd.png",
+        title: "这种模板可以区分多种通知类型",
+        datetime: "一年前",
+        description: "",
+        type: "1"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/GvqBnKhFgObvnSGkDsje.png",
+        title:
+          "展示标题内容超过一行后的处理方式，如果内容超过1行将自动截断并支持tooltip显示完整标题。",
+        datetime: "一年前",
+        description: "",
+        type: "1"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/GvqBnKhFgObvnSGkDsje.png",
+        title: "左侧图标用于区分不同的类型",
+        datetime: "一年前",
+        description: "",
+        type: "1"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/GvqBnKhFgObvnSGkDsje.png",
+        title: "左侧图标用于区分不同的类型",
+        datetime: "一年前",
+        description: "",
+        type: "1"
+      }
+    ]
+  },
+  {
+    key: "2",
+    name: "消息",
+    list: [
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/fcHMVNCjPOsbUGdEduuv.jpeg",
+        title: "李白 评论了你",
+        description: "长风破浪会有时,直挂云帆济沧海",
+        datetime: "一年前",
+        type: "2"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/fcHMVNCjPOsbUGdEduuv.jpeg",
+        title: "李白 回复了你",
+        description: "行路难，行路难，多歧路，今安在。",
+        datetime: "一年前",
+        type: "2"
+      },
+      {
+        avatar:
+          "https://gw.alipayobjects.com/zos/rmsportal/fcHMVNCjPOsbUGdEduuv.jpeg",
+        title: "标题",
+        description:
+          "请将鼠标移动到此处，以便测试超长的消息在此处将如何处理。本例中设置的描述最大行数为2，超过2行的描述内容将被省略并且可以通过tooltip查看完整内容",
+        datetime: "一年前",
+        type: "2"
+      }
+    ]
+  },
+  {
+    key: "3",
+    name: "代办",
+    list: [
+      {
+        avatar: "",
+        title: "任务名称",
+        description: "任务需要在 2021-11-16 20:00 前启动",
+        datetime: "",
+        extra: "未开始",
+        status: "info",
+        type: "3"
+      },
+      {
+        avatar: "",
+        title: "第三方紧急代码变更",
+        description:
+          "一拳提交于 2021-11-16，需在 2021-11-18 前完成代码变更任务",
+        datetime: "",
+        extra: "马上到期",
+        status: "danger",
+        type: "3"
+      },
+      {
+        avatar: "",
+        title: "信息安全考试",
+        description: "指派小仙于 2021-12-12 前完成更新并发布",
+        datetime: "",
+        extra: "已耗时 8 天",
+        status: "warning",
+        type: "3"
+      },
+      {
+        avatar: "",
+        title: "vue-pure-admin 版本发布",
+        description: "vue-pure-admin 版本发布",
+        datetime: "",
+        extra: "进行中",
+        type: "3"
+      }
+    ]
+  }
+];
diff --git a/src/layout/components/notice/index.vue b/src/layout/components/notice/index.vue
new file mode 100644
index 0000000..108bebd
--- /dev/null
+++ b/src/layout/components/notice/index.vue
@@ -0,0 +1,80 @@
+<script setup lang="ts">
+import { ref } from "vue";
+import NoticeList from "./noticeList.vue";
+import { noticesData } from "./data";
+
+const activeName = ref(noticesData[0].name);
+const notices = ref(noticesData);
+
+let noticesNum = ref(0);
+notices.value.forEach(notice => {
+  noticesNum.value += notice.list.length;
+});
+</script>
+
+<template>
+  <el-dropdown trigger="click" placement="bottom-end">
+    <span class="dropdown-badge">
+      <el-badge :value="noticesNum" :max="99">
+        <el-icon class="header-notice-icon"><bell /></el-icon>
+      </el-badge>
+    </span>
+    <template #dropdown>
+      <el-dropdown-menu>
+        <el-tabs v-model="activeName" class="dropdown-tabs">
+          <template v-for="item in notices" :key="item.key">
+            <el-tab-pane
+              :label="`${item.name}(${item.list.length})`"
+              :name="item.name"
+            >
+              <el-scrollbar max-height="330px">
+                <div class="noticeList-container">
+                  <NoticeList :list="item.list" />
+                </div>
+              </el-scrollbar>
+            </el-tab-pane>
+          </template>
+        </el-tabs>
+      </el-dropdown-menu>
+    </template>
+  </el-dropdown>
+</template>
+
+<style lang="scss" scoped>
+.dropdown-badge {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  height: 48px;
+  width: 60px;
+  cursor: pointer;
+
+  .header-notice-icon {
+    font-size: 18px;
+  }
+}
+
+.dropdown-tabs {
+  width: 336px;
+  background-color: #fff;
+  box-shadow: 0 2px 8px rgb(0 0 0 / 15%);
+  border-radius: 4px;
+
+  :deep(.el-tabs__header) {
+    margin: 0;
+  }
+
+  :deep(.el-tabs__nav-scroll) {
+    display: flex;
+    justify-content: center;
+  }
+
+  :deep(.el-tabs__nav-wrap)::after {
+    height: 1px;
+  }
+
+  :deep(.noticeList-container) {
+    padding: 15px 24px 0 24px;
+  }
+}
+</style>
diff --git a/src/layout/components/notice/noticeItem.vue b/src/layout/components/notice/noticeItem.vue
new file mode 100644
index 0000000..9004690
--- /dev/null
+++ b/src/layout/components/notice/noticeItem.vue
@@ -0,0 +1,168 @@
+<script setup lang="ts">
+import { ListItem } from "./data";
+import { ref, PropType, nextTick } from "vue";
+
+const props = defineProps({
+  noticeItem: {
+    type: Object as PropType<ListItem>,
+    default: () => {}
+  }
+});
+
+const titleRef = ref(null);
+const descriptionRef = ref(null);
+const titleTooltip = ref(false);
+const descriptionTooltip = ref(false);
+
+function hoverTitle() {
+  nextTick(() => {
+    titleRef.value?.scrollWidth > titleRef.value?.clientWidth
+      ? (titleTooltip.value = true)
+      : (titleTooltip.value = false);
+  });
+}
+
+function hoverDescription(event, description) {
+  // currentWidth 为文本在页面中所占的宽度，创建标签，加入到页面，获取currentWidth ,最后在移除
+  let tempTag = document.createElement("span");
+  tempTag.innerText = description;
+  tempTag.className = "getDescriptionWidth";
+  document.querySelector("body").appendChild(tempTag);
+  let currentWidth = (
+    document.querySelector(".getDescriptionWidth") as HTMLSpanElement
+  ).offsetWidth;
+  document.querySelector(".getDescriptionWidth").remove();
+
+  // cellWidth为容器的宽度
+  const cellWidth = event.target.offsetWidth;
+
+  // 当文本宽度大于容器宽度两倍时，代表文本显示超过两行
+  currentWidth > 2 * cellWidth
+    ? (descriptionTooltip.value = true)
+    : (descriptionTooltip.value = false);
+}
+</script>
+
+<template>
+  <div class="notice-container">
+    <el-avatar
+      v-if="props.noticeItem.avatar"
+      :size="30"
+      :src="props.noticeItem.avatar"
+      class="notice-container-avatar"
+    ></el-avatar>
+    <div class="notice-container-text">
+      <div class="notice-text-title">
+        <el-tooltip
+          popper-class="notice-title-popper"
+          :disabled="!titleTooltip"
+          :content="props.noticeItem.title"
+          placement="top-start"
+        >
+          <div
+            ref="titleRef"
+            class="notice-title-content"
+            @mouseover="hoverTitle"
+          >
+            {{ props.noticeItem.title }}
+          </div>
+        </el-tooltip>
+        <el-tag
+          v-if="props.noticeItem?.extra"
+          :type="props.noticeItem?.status"
+          size="small"
+          class="notice-title-extra"
+          >{{ props.noticeItem?.extra }}
+        </el-tag>
+      </div>
+
+      <el-tooltip
+        popper-class="notice-title-popper"
+        :disabled="!descriptionTooltip"
+        :content="props.noticeItem.description"
+        placement="top-start"
+      >
+        <div
+          ref="descriptionRef"
+          class="notice-text-description"
+          @mouseover="hoverDescription($event, props.noticeItem.description)"
+        >
+          {{ props.noticeItem.description }}
+        </div>
+      </el-tooltip>
+      <div class="notice-text-datetime">
+        {{ props.noticeItem.datetime }}
+      </div>
+    </div>
+  </div>
+</template>
+
+<style>
+.notice-title-popper {
+  max-width: 238px;
+}
+</style>
+<style scoped lang="scss">
+.notice-container {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  padding: 12px 0;
+  border-bottom: 1px solid #f0f0f0;
+
+  .notice-container-avatar {
+    margin-right: 16px;
+    background: #fff;
+  }
+
+  .notice-container-text {
+    display: flex;
+    flex-direction: column;
+    justify-content: space-between;
+    flex: 1;
+
+    .notice-text-title {
+      display: flex;
+      margin-bottom: 8px;
+      font-weight: 400;
+      font-size: 14px;
+      line-height: 1.5715;
+      color: rgba(0, 0, 0, 0.85);
+      cursor: pointer;
+
+      .notice-title-content {
+        flex: 1;
+        width: 200px;
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+      }
+
+      .notice-title-extra {
+        float: right;
+        margin-top: -1.5px;
+        font-weight: 400;
+      }
+    }
+
+    .notice-text-description,
+    .notice-text-datetime {
+      font-size: 12px;
+      line-height: 1.5715;
+      color: rgba(0, 0, 0, 0.45);
+    }
+
+    .notice-text-description {
+      display: -webkit-box;
+      text-overflow: ellipsis;
+      overflow: hidden;
+      -webkit-line-clamp: 2;
+      -webkit-box-orient: vertical;
+    }
+
+    .notice-text-datetime {
+      margin-top: 4px;
+    }
+  }
+}
+</style>
diff --git a/src/layout/components/notice/noticeList.vue b/src/layout/components/notice/noticeList.vue
new file mode 100644
index 0000000..90f6e98
--- /dev/null
+++ b/src/layout/components/notice/noticeList.vue
@@ -0,0 +1,23 @@
+<script setup lang="ts">
+import { PropType } from "vue";
+import NoticeItem from "./noticeItem.vue";
+import { ListItem } from "./data";
+
+const props = defineProps({
+  list: {
+    type: Array as PropType<Array<ListItem>>,
+    default: () => []
+  }
+});
+</script>
+
+<template>
+  <div v-if="props.list.length">
+    <NoticeItem
+      v-for="(item, index) in props.list"
+      :noticeItem="item"
+      :key="index"
+    ></NoticeItem>
+  </div>
+  <el-empty v-else description="暂无数据"></el-empty>
+</template>
diff --git a/src/layout/components/sidebar/horizontal.vue b/src/layout/components/sidebar/horizontal.vue
index 7fc7715..4d2e2d7 100644
--- a/src/layout/components/sidebar/horizontal.vue
+++ b/src/layout/components/sidebar/horizontal.vue
@@ -9,6 +9,7 @@ import {
 } from "vue";
 import { useI18n } from "vue-i18n";
 import { emitter } from "/@/utils/mitt";
+import Notice from "../notice/index.vue";
 import { templateRef } from "@vueuse/core";
 import SidebarItem from "./sidebarItem.vue";
 import { algorithm } from "/@/utils/algorithm";
@@ -138,6 +139,8 @@ onMounted(() => {
       />
     </el-menu>
     <div class="horizontal-header-right">
+      <!-- 通知 -->
+      <Notice />
       <!-- 全屏 -->
       <screenfull v-show="!deviceDetection()" />
       <!-- 国际化 -->
diff --git a/src/plugins/element-plus/index.ts b/src/plugins/element-plus/index.ts
index 1260028..380943f 100644
--- a/src/plugins/element-plus/index.ts
+++ b/src/plugins/element-plus/index.ts
@@ -23,7 +23,6 @@ import {
   ElInput,
   ElForm,
   ElFormItem,
-  ElLoading,
   ElPopover,
   ElPopper,
   ElTooltip,
@@ -36,7 +35,15 @@ import {
   ElDescriptions,
   ElDescriptionsItem,
   ElBacktop,
-  ElSwitch
+  ElSwitch,
+  ElBadge,
+  ElTabs,
+  ElTabPane,
+  ElAvatar,
+  ElEmpty,
+  // 指令
+  ElLoading,
+  ElInfiniteScroll
 } from "element-plus";
 
 // https://element-plus.org/zh-CN/component/icon.html
@@ -54,7 +61,8 @@ import {
   RefreshRight,
   ArrowDown,
   Close,
-  CloseBold
+  CloseBold,
+  Bell
 } from "@element-plus/icons";
 
 const components = [
@@ -93,9 +101,13 @@ const components = [
   ElDescriptions,
   ElDescriptionsItem,
   ElBacktop,
-  ElSwitch
+  ElSwitch,
+  ElBadge,
+  ElTabs,
+  ElTabPane,
+  ElAvatar,
+  ElEmpty
 ];
-
 // icon
 export const iconComponents = [
   Check,
@@ -111,10 +123,11 @@ export const iconComponents = [
   RefreshRight,
   ArrowDown,
   Close,
-  CloseBold
+  CloseBold,
+  Bell
 ];
 
-const plugins = [ElLoading];
+const plugins = [ElLoading, ElInfiniteScroll];
 
 export function useElementPlus(app: App) {
   components.push(...iconComponents);
diff --git a/src/style/sidebar.scss b/src/style/sidebar.scss
index 35d6e95..b82d9d7 100644
--- a/src/style/sidebar.scss
+++ b/src/style/sidebar.scss
@@ -212,6 +212,15 @@
       color: $subMenuActiveText;
       justify-content: flex-end;
 
+      .dropdown-badge {
+        height: 62px;
+        color: $subMenuActiveText;
+
+        &:hover {
+          background: $menuHover;
+        }
+      }
+
       .screen-full {
         cursor: pointer;