✨ feat(im): 优化 ToolBar.vue 组件

src/views/im/home/components/ToolBar.vue

@@ -0,0 +1,123 @@
+<template>
+  <!--
+    ToolBar：IM 左侧工具栏
+    布局：顶部头像 → 中间三 Tab（消息/好友/群聊）→ 底部设置
+  -->
+  <div
+    class="flex flex-col items-center w-14 pt-4 pb-3 gap-2 flex-shrink-0 bg-[#2b2b2b]"
+  >
+    <!-- 顶部用户头像，点击跳个人中心；方块小圆角对齐 UserAvatar 风格 -->
+    <div class="mb-2 cursor-pointer" @click="goProfile">
+      <el-avatar
+        :size="36"
+        :src="avatar"
+        shape="square"
+        :style="{ borderRadius: '6px' }"
+      >
+        {{ nicknameShort }}
+      </el-avatar>
+    </div>
+
+    <!-- 中间三 Tab -->
+    <div class="flex flex-col items-center gap-2 flex-1 w-full">
+      <el-tooltip
+        v-for="item in tabs"
+        :key="item.path"
+        :content="item.label"
+        placement="right"
+      >
+        <div
+          class="flex items-center justify-center w-10 h-10 rounded-lg text-[#a0a0a0] cursor-pointer transition-all hover:text-white hover:bg-white/10"
+          :class="{ 'bg-white/15 text-white': isActive(item.path) }"
+          @click="goTab(item.path)"
+        >
+          <el-badge
+            v-if="item.path === '/im/home/conversation' && totalUnread > 0"
+            :value="totalUnread"
+            :max="99"
+            class="tool-bar__badge"
+          >
+            <Icon :icon="item.icon" :size="22" />
+          </el-badge>
+          <Icon v-else :icon="item.icon" :size="22" />
+        </div>
+      </el-tooltip>
+    </div>
+
+    <!-- 底部设置按钮：点击跳个人中心 -->
+    <div class="flex flex-col items-center gap-2 w-full">
+      <el-tooltip content="设置" placement="right">
+        <div
+          class="flex items-center justify-center w-10 h-10 rounded-lg text-[#a0a0a0] cursor-pointer transition-all hover:text-white hover:bg-white/10"
+          @click="goProfile"
+        >
+          <el-icon :size="22"><Setting /></el-icon>
+        </div>
+      </el-tooltip>
+    </div>
+  </div>
+</template>
+
+<script lang="ts" setup>
+import { computed } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { Setting } from '@element-plus/icons-vue'
+
+import Icon from '@/components/Icon/src/Icon.vue'
+import { useUserStore } from '@/store/modules/user'
+import { useConversationStore } from '../store/conversationStore'
+
+defineOptions({ name: 'ImToolBar' })
+
+const route = useRoute()
+const router = useRouter()
+const userStore = useUserStore()
+const conversationStore = useConversationStore()
+
+/** 消息 Tab 的红点：所有非免打扰会话的未读总和 */
+const totalUnread = computed(() => conversationStore.getTotalUnread)
+
+/**
+ * 三个主 Tab 的配置，路径对应 /im/home/{conversation,friend,group}
+ * icon 走通用 <Icon> 组件，支持 ep: / svg-icon: 前缀
+ * 群聊用项目自带的 svg-icon:peoples（双人剪影）一眼区分单人 / 群体
+ */
+// TODO @AI：改成 name 更合适把？
+// TODO @AI: 其他地方，是不是也能减少 path？主要 path 容易变！
+const tabs = [
+  { path: '/im/home/conversation', label: '消息', icon: 'ep:chat-dot-round' },
+  { path: '/im/home/friend', label: '好友', icon: 'ep:user' },
+  { path: '/im/home/group', label: '群聊', icon: 'svg-icon:peoples' } // TODO @AI：这个图标不是很好，看看怎么优化下；ep 里，有 group 概念的图标么？
+]
+
+/** 当前路由是否命中 Tab：完全匹配或 Tab 路径是当前路径前缀均算命中 */
+const isActive = (path: string) => route.path === path || route.path.startsWith(path + '/')
+
+// TODO @AI：方法注释
+const goTab = (path: string) => {
+  if (route.path === path) {
+    return
+  }
+  router.push(path)
+}
+
+// TODO @AI：改成 name 更合适把？
+const goProfile = () => router.push('/user/profile')
+
+const avatar = computed(() => userStore.getUser?.avatar || '')
+
+/** 头像兜底：取昵称最后一个字符，避免空头像时的灰底过于突兀 */
+const nicknameShort = computed(() => {
+  const name = userStore.getUser?.nickname || ''
+  return name ? name.slice(-1) : '我'
+})
+</script>
+
+<style scoped>
+/* el-badge 子组件内部类 UnoCSS 够不到，单独贴一条 :deep 覆盖 */
+.tool-bar__badge :deep(.el-badge__content) {
+  top: 4px;
+  right: 8px;
+  border: none;
+}
+</style>