aurora-admin/frameworks/SideMenu.vue3.vue

<template>
  <div class="aa-sidemenu" :class="{ collapsed }" @mouseleave="hoverKey = ''">
    <div
      v-for="it in items" :key="it.key"
      class="aa-menu-item"
      :class="{ 'is-active': modelValue === it.key, 'is-open': openKeys.includes(it.key), 'is-disabled': it.disabled }"
      @click="onTopClick(it)"
      @mouseenter="onHover(it, $event)"
    >
      <span class="aa-menu-icon">{{ it.icon }}</span>
      <span class="aa-menu-label">{{ it.label }}</span>
      <span v-if="it.badge" class="aa-menu-badge">{{ it.badge }}</span>
      <span v-if="it.children && it.children.length" class="aa-menu-arrow">›</span>
    </div>

    <template v-for="it in items" :key="'c-' + it.key">
      <div v-if="it.children && it.children.length && openKeys.includes(it.key) && !collapsed" class="aa-menu-children">
        <div
          v-for="c in it.children" :key="c.key"
          class="aa-menu-item" :class="{ 'is-active': modelValue === c.key }"
          @click="select(c.key)"
        >
          <span class="aa-menu-label">{{ c.label }}</span>
        </div>
      </div>
    </template>

    <!-- 折叠态悬浮浮层 -->
    <div v-if="collapsed && hoverKey && popItem" class="aa-menu-pop" :style="{ top: popTop + 'px' }">
      <div class="aa-menu-pop-title">{{ popItem.label }}</div>
      <template v-if="popItem.children && popItem.children.length">
        <div
          v-for="c in popItem.children" :key="c.key"
          class="aa-menu-item" :class="{ 'is-active': modelValue === c.key }"
          @click="select(c.key)"
        ><span class="aa-menu-label">{{ c.label }}</span></div>
      </template>
      <div v-else class="aa-menu-item is-active" @click="select(popItem.key)"><span class="aa-menu-label">{{ popItem.label }}</span></div>
    </div>
  </div>
</template>

<script setup>
import { ref, computed } from 'vue';

const props = defineProps({
  modelValue: { type: String, default: '' },     // 当前选中 key
  items: { type: Array, required: true },         // [{ key, label, icon?, badge?, children?, disabled? }]
  collapsed: { type: Boolean, default: false }
});
const emit = defineEmits(['update:modelValue', 'select']);

const openKeys = ref([]);
const hoverKey = ref('');
const popItem = computed(() => props.items.find(x => x.key === hoverKey.value) || null);
const popTop = ref(0);

function onHover(it, e) {
  if (props.collapsed && it.children) { hoverKey.value = it.key; popTop.value = e.currentTarget.offsetTop; }
}
function onTopClick(it) {
  if (it.disabled) return;
  if (it.children && it.children.length) {
    if (props.collapsed) return;
    openKeys.value = openKeys.value.includes(it.key) ? openKeys.value.filter(k => k !== it.key) : [...openKeys.value, it.key];
  } else {
    select(it.key);
  }
}
function select(key) {
  emit('update:modelValue', key);
  emit('select', key);
  hoverKey.value = '';
}
</script>

<!-- 样式对齐 组件7.txt SideMenu 规范 -->
<style scoped>
.aa-sidemenu { width: 220px; background: #fff; border-right: 1px solid #E8ECF1; font-family: var(--font-family, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif); color: #262626; user-select: none; }
.aa-sidemenu.collapsed { width: 56px; }
.aa-menu-item { position: relative; display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px; cursor: pointer; font-size: 14px; color: #262626; transition: background .15s, color .15s; }
.aa-menu-item:hover { background: #F5F7FA; }
.aa-menu-item.is-active { background: #F0F5FF; color: #2F54EB; font-weight: 500; }
.aa-menu-item.is-active::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: #2F54EB; }
.aa-menu-item.is-disabled { color: #BFBFBF; cursor: not-allowed; }
.aa-menu-item.is-disabled:hover { background: none; }
.aa-menu-icon { width: 16px; text-align: center; flex-shrink: 0; font-size: 15px; }
.aa-menu-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.aa-menu-badge { background: #CF1322; color: #fff; font-size: 11px; min-width: 16px; height: 16px; border-radius: 8px; padding: 0 5px; display: inline-flex; align-items: center; justify-content: center; }
.aa-menu-arrow { color: #6E6E6E; font-size: 12px; transition: transform .15s; }
.aa-menu-item.is-open > .aa-menu-arrow { transform: rotate(90deg); }
.aa-menu-children { background: #FAFAFA; }
.aa-menu-children .aa-menu-item { height: 40px; padding-left: 40px; font-size: 13px; }
.aa-menu-children .aa-menu-item.is-active::before { display: none; }
.aa-sidemenu.collapsed .aa-menu-label,
.aa-sidemenu.collapsed .aa-menu-badge,
.aa-sidemenu.collapsed .aa-menu-arrow { display: none; }
.aa-sidemenu.collapsed .aa-menu-item { justify-content: center; padding: 0; }
.aa-sidemenu.collapsed .aa-menu-children { display: none; }
.aa-menu-pop { position: absolute; left: 56px; top: 0; min-width: 180px; background: #fff; border: 1px solid #E8ECF1; border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.12); padding: 4px 0; z-index: 200; }
.aa-menu-pop-title { padding: 6px 16px; font-size: 12px; color: #6E6E6E; }
.aa-menu-pop .aa-menu-item { padding: 0 16px; }
.aa-menu-pop .aa-menu-item::before { display: none; }
</style>