mky-vent-base/src/views/vent/home/configurable/components/green-nav.vue

<!-- eslint-disable vue/multi-word-component-names -->
<template>
  <div class="green-nav">
    <div class="main-title">{{ Title }}</div>
    <!-- menu区域 -->
    <div class="nav-menu">
      <div
        :class="activeIndex == index ? 'nav-menu-active' : 'nav-menu-unactive'"
        v-for="(item, index) in menuList"
        :key="index"
        @click="menuClick(index, item)"
      >
        <div>{{ item.name }}</div>
        <!-- menu-item -->
        <div v-if="activeIndex == index && isShowMenuItem && item.MenuItemList.length != 0" class="nav-menu-item">
          <div class="nav-menu-content">
            <div
              :class="menuItemActive == ind ? 'menu-item-active' : 'menu-item-unactive'"
              v-for="(ite, ind) in item.MenuItemList"
              :key="ind"
              @click.stop="menuItemClick(ind)"
              >{{ ite.name }}</div
            >
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
<script lang="ts" setup>
  import { onMounted, onUnmounted, ref, watch, computed } from 'vue';
  let props = defineProps({
    Title: {
      type: String,
      default: '',
    },
    activeIndex: {
      type: Number,
      default: 0,
    },
  });

  let menuList = ref<any[]>([
    {
      name: '灾害预警',
      MenuItemList: [
        // { name: '光纤测温监测' },
        // { name: '束管监测' },
        // { name: '智能注氮系统' },
        // { name: '智能注浆系统' },
        // { name: '火灾监测预警' },
        // { name: '色谱仪报表分析' },
      ],
    },
    { name: '智能通风', MenuItemList: [] },
    { name: '火灾监控', MenuItemList: [] },
    { name: '粉尘监控', MenuItemList: [] },
    { name: '瓦斯监控', MenuItemList: [] },
    // { name: '综合管控', MenuItemList: [] },
  ]); //一级菜单列表

  let isShowMenuItem = ref(false); //是否显示menuItem下拉选项菜单
  let menuItemActive = ref(0); //menuItem当前激活选项
  let $emit = defineEmits(['menuToggle']);

  //menu选项切换
  function menuClick(index, item) {
    isShowMenuItem.value = !isShowMenuItem.value;
    //menu切换，界面跳转
    $emit('menuToggle', item, index);
  }

  //menuItem选项切换
  function menuItemClick(ind) {
    menuItemActive.value = ind;
    isShowMenuItem.value = false;
  }
</script>
<style lang="less" scoped>
  @import '/@/design/theme.less';

  @font-face {
    font-family: 'douyuFont';
    src: url('/@/assets/font/douyuFont.otf');
  }

  .green-nav {
    position: relative;
    width: 100%;
    height: 100%;
    background: url('../../../../../assets/images/home-green/green-nav-bg.png') no-repeat;
    background-size: 100% 100%;

    .main-title {
      width: 518px;
      height: 100%;
      display: flex;
      align-items: center;
      padding-left: 70px;
      font-family: 'douyuFont';
      font-size: 20px;
      letter-spacing: 2px;
    }

    .nav-menu {
      position: absolute;
      top: 0;
      left: 675px;
      width: 880px;
      height: 100%;
      display: flex;
      justify-content: flex-start;

      .nav-menu-active {
        position: relative;
        width: 120px;
        height: 60px;
        line-height: 60px;
        text-align: center;
        margin: 0px 20px;
        font-size: 18px;
        letter-spacing: 2px;
        background: url('../../../../../assets/images/home-green/green-menu-bg.png') no-repeat;
        background-size: 100% 100%;
      }

      .nav-menu-unactive {
        position: relative;
        width: 120px;
        height: 60px;
        line-height: 60px;
        text-align: center;
        margin: 0px 10px;
        font-size: 16px;
        letter-spacing: 2px;
        background-size: 100% 100%;
        cursor: pointer;
      }

      .nav-menu-item {
        position: absolute;
        left: -34px;
        top: 56px;
        width: 186px;
        height: 273px;
        padding: 28px 12px 12px 12px;
        background: url(/src/assets/images/home-green/green-menu-item.png) no-repeat;
        display: flex;
        flex-direction: column;
        align-items: center;
        box-sizing: border-box;

        .nav-menu-content {
          width: 100%;
          height: 100%;
          overflow-y: auto;

          .menu-item-active {
            width: 100%;
            height: 36px;
            line-height: 36px;
            font-size: 14px;
            background: linear-gradient(to right, transparent, rgba(47, 132, 111), transparent);
          }

          .menu-item-unactive {
            width: 100%;
            height: 40px;
            line-height: 40px;
            font-size: 14px;
          }
        }
      }

      // @keyframes fadeIn {
      //   from {
      //     opacity: 0;
      //   }

      //   to {
      //     opacity: 1;
      //   }
      // }

      // /* 定义淡出动画 */
      // @keyframes fadeOut {
      //   from {
      //     opacity: 1;
      //   }

      //   to {
      //     opacity: 0;
      //   }
      // }
    }
  }
</style>