iot-ui-plus/src/views/monitoring/screenData/components/menu.vue

<template>
  <div class="menuCantent">
    <n-menu
      ref="menuInstRef"
      class="menu"
      :indent="0"
      :options="menuOptions"
      v-model:value="selectedKey"
      key-field="deptId"
      label-field="deptName"
      :default-expand-all="false"
      :watch-props="['defaultExpandedKeys']"
      :render-label="renderMenuLabel"
      @update:value="menuUpdateValue"
    />
  </div>
</template>

<script lang="ts" setup>
import { useRoute } from 'vue-router';
import type { MenuOption } from 'naive-ui';
// import { NEllipsis } from 'naive-ui';
import { getMenu } from '@/api/table/list';
import { getMenuData } from '@/api/device/index';
import { getFirstNodeLastLevel } from '@/utils/index';
import useStorage from '@/utils/useStorage';
import mitt from '@/plugins/bus';
const router = useRoute();
const menuOptions = ref([]);
const selectedKey = ref();
const sessionStorageIns = useStorage('sessionStorage');
const routerType = ref('');
const id = ref(0);
const deptId = ref(0);
const menuDeptKey = ref(0);
const menuIdKey = ref(0);

const emit = defineEmits(['tableMenuData']);

const props = defineProps({
  menuType: {
    type: String,
    default: '1'
  }
});

onMounted(() => {
  routerType.value = router.query?.id === undefined ? '0' : '1';
  id.value = sessionStorage.getItem('id') === null ? 0 : Number(sessionStorage.getItem('id'));
  deptId.value = sessionStorage.getItem('deptId') === null ? 0 : Number(sessionStorage.getItem('deptId'));
  if (props.menuType === '1') {
    menuApi();
  } else if (props.menuType === '2') {
    comMenuApi();
  }
});

function menuApi() {
  //获取表格左侧菜单
  getMenu().then((res: any) => {
    if (res.code === 200) {
      menuDeptKey.value =
        routerType.value === '1'
          ? deptId.value
          : routerType.value === '0' && deptId.value != 0
          ? deptId.value
          : getFirstNodeLastLevel(res.data).deptId;
      removeChildren(res.data);
      menuOptions.value = res.data;
      selectedKey.value = menuDeptKey.value;
      sessionStorageIns.setUseStorage('deptId', menuDeptKey.value);
      mitt.emit('menuMockKeys', menuDeptKey.value);
      emit('tableMenuData', res.data);
    }
  });
}
function comMenuApi() {
  //获取组态左侧菜单
  getMenuData().then((res: any) => {
    if (res.code === 200) {
      menuIdKey.value =
        routerType.value === '1'
          ? id.value
          : routerType.value === '0' && id.value != 0
          ? id.value
          : getFirstNodeLastLevel(res.data).deptId;
      const parentId = routerType.value === '1' ? deptId.value : getFirstNodeLastLevel(res.data).parentId;
      removeChildren(res.data);
      menuOptions.value = res.data;
      selectedKey.value = menuIdKey.value;
      sessionStorageIns.setUseStorage('deptId', routerType.value === '1' ? deptId.value : parentId);
      mitt.emit('deviceMenuKey', menuIdKey.value);
      emit('tableMenuData', res.data);
    }
  });
}

function removeChildren(menu: any) {
  //处理菜单空children
  if (!Array.isArray(menu)) {
    return;
  }

  menu.forEach(item => {
    if (item.children && item.children.length === 0) {
      delete item.children;
    } else {
      removeChildren(item.children);
    }
  });
}
// function renderMenuLabel(option: MenuOption) {
const renderMenuLabel = (option: MenuOption) => {
  //菜单标题增加提示
  // return h(NEllipsis, null, option.deptName as string);
  return h(NEllipsis, null, { default: () => option.deptName });
};

function menuUpdateValue(key: string, item: MenuOption) {
  //点击菜单
  sessionStorageIns.setUseStorage(props.menuType === '1' ? 'deptId' : 'id', key);
  sessionStorageIns.setUseStorage('currentPage', 1);
  if (props.menuType === '1') {
    mitt.emit('currentPageEmits', 1);
  }
  if (props.menuType === '2') {
    sessionStorageIns.setUseStorage('deptId', item.parentId);
  }
  mitt.emit(props.menuType === '1' ? 'menuKey' : 'deviceMenuKey', key);
  console.log(key, item);
}
</script>
<style lang="scss" scoped>
:root {
  --n-item-text-color-child-active-hover: #fff;
  --n-item-text-color-active-hover: #fff;
  --n-item-text-color-child-active: #fff;
}

.menuCantent {
  height: -webkit-fill-available;
  overflow: auto;

  .menu {
    text-align: center;

    :deep(.n-submenu) {
      --n-item-color-hover: auto;

      .n-menu-item {
        .n-menu-item-content {
          padding: 0 !important;

          .n-ellipsis {
            font-family: 'AlibabaPuHuiTiBold';
            padding: 0 15px;
          }

          // .n-menu-item-content__arrow {
          //   color: #b1e3ff;
          // }
        }

        .n-menu-item-content.n-menu-item-content--child-active {
          // .n-menu-item-content-header {
          //   color: #b1e3ff;
          // }

          .n-menu-item-content__arrow {
            color: var(--n-arrow-color);
          }
        }

        // .n-menu-item-content--child-active {
        //   .n-menu-item-content-header:hover {
        //     color: #fff !important;
        //   }

        //   .n-menu-item-content__arrow:hover {
        //     color: #fff !important;
        //   }
        // }
        // .n-menu-item-content--child-active:hover{
        //   color: #fff !important;
        // }

        .n-menu-item-content-header {
          font-size: 2.2rem;
          color: var(--vxe-table-header-font-color);
        }
      }

      .n-menu-item:hover {
        color: #409eff;
      }

      .n-submenu-children {
        .n-menu-item-content-header {
          font-size: 1.6rem;
        }

        .n-menu-item-content--selected {
          .n-menu-item-content-header {
            color: #409eff;

            .n-ellipsis {
              position: relative;

              span {
                padding: 0 10px;
              }

              span::before {
                content: none;
                position: absolute;
                left: 0;
                top: 0.7rem;
                width: 1.8rem;
                height: 1.8rem;
                // background: url(@/assets/images/taps.png) no-repeat;
                // background-size: cover;
                background-color: var(--menuActiveBg) !important;
              }
            }
          }
        }

        .n-menu-item-content--selected::before {
          background: -webkit-linear-gradient(left, #91d3fd 0%, #dedede 100%);
          left: 0;
          right: 0;
        }

        .n-menu-item-content--selected::after {
          content: '';
          position: absolute;
          bottom: 0;
          width: 100%;
          height: 2px;
          background: -webkit-linear-gradient(left, #409eff 0%, #dedede 100%);
        }
      }

      .n-base-icon {
        // color: #84e0f7;
        right: 10px;
      }
    }
  }
}

/*滚动条整体部分*/
.menuCantent::-webkit-scrollbar,
.tableGrid ::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

/*滚动条的轨道*/
.menuCantent::-webkit-scrollbar-track,
.tableGrid ::-webkit-scrollbar-track {
  background-color: transparent;
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  border-radius: 8px;
}

/*滚动条里面的小方块，能向上向下移动*/
.menuCantent::-webkit-scrollbar-thumb,
.tableGrid ::-webkit-scrollbar-thumb {
  background-color: rgb(147, 147, 153, 0.5);
  -webkit-border-radius: 8px;
  -moz-border-radius: 8px;
  border-radius: 8px;
}

.menuCantent::-webkit-scrollbar-thumb:hover,
.tableGrid ::-webkit-scrollbar-thumb:hover {
  background-color: #a8a8a8;
}

.menuCantent::-webkit-scrollbar-thumb:active,
.tableGrid :-webkit-scrollbar-thumb:active {
  background-color: #787878;
}

/*边角，即两个滚动条的交汇处*/
.menuCantent::-webkit-scrollbar-corner,
.tableGrid ::-webkit-scrollbar-corner {
  background-color: transparent;
}
</style>