feat:初始化工程

src/layout/index.vue

@@ -0,0 +1,175 @@
+<template>
+  <el-container class="layout-container">
+    <!-- 侧边栏 -->
+    <el-aside :width="isCollapse ? '64px' : '150px'" class="aside">
+      <!-- Logo -->
+      <div class="logo">
+        <span v-if="!isCollapse">🧠 智能学习助手</span>
+        <span v-else>🧠</span>
+      </div>
+
+      <!-- 菜单 -->
+      <el-menu
+          :default-active="route.path"
+          :collapse="isCollapse"
+          :collapse-transition="false"
+          router
+          class="side-menu"
+      >
+        <el-menu-item index="/library">
+          <el-icon><Reading /></el-icon>
+          <template #title>知识库</template>
+        </el-menu-item>
+        <el-menu-item index="/practice">
+          <el-icon><Aim /></el-icon>
+          <template #title>训练场</template>
+        </el-menu-item>
+        <el-menu-item index="/exam">
+          <el-icon><EditPen /></el-icon>
+          <template #title>考试中心</template>
+        </el-menu-item>
+        <el-menu-item index="/mistakes">
+          <el-icon><Notebook /></el-icon>
+          <template #title>错题本</template>
+        </el-menu-item>
+        <el-menu-item index="/stats">
+          <el-icon><DataLine /></el-icon>
+          <template #title>数据统计</template>
+        </el-menu-item>
+      </el-menu>
+    </el-aside>
+
+    <el-container>
+      <!-- 顶部栏 -->
+      <el-header class="header">
+        <div class="header-left">
+          <!-- 折叠按钮 -->
+          <el-icon class="collapse-btn" @click="isCollapse = !isCollapse">
+            <Fold v-if="!isCollapse" />
+            <Expand v-else />
+          </el-icon>
+          <!-- 面包屑 -->
+          <el-breadcrumb separator="/">
+            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
+            <el-breadcrumb-item>{{ route.meta.title }}</el-breadcrumb-item>
+          </el-breadcrumb>
+        </div>
+
+        <div class="header-right">
+          <!-- 通知铃铛 -->
+          <el-badge :value="3">
+            <el-icon :size="18"><Bell /></el-icon>
+          </el-badge>
+
+          <!-- 用户信息 -->
+          <el-dropdown>
+            <el-avatar :size="32" class="avatar">李</el-avatar>
+            <template #dropdown>
+              <el-dropdown-menu>
+                <el-dropdown-item>个人中心</el-dropdown-item>
+                <el-dropdown-item>设置</el-dropdown-item>
+                <el-dropdown-item divided @click="handleLogout">退出登录</el-dropdown-item>
+              </el-dropdown-menu>
+            </template>
+          </el-dropdown>
+        </div>
+      </el-header>
+
+      <!-- 主内容区 -->
+      <el-main class="main">
+        <router-view v-slot="{ Component }">
+          <transition name="fade" mode="out-in">
+            <component :is="Component" />
+          </transition>
+        </router-view>
+      </el-main>
+    </el-container>
+  </el-container>
+</template>
+
+<script setup lang="ts">
+import { ref } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { ElMessageBox } from 'element-plus'
+import { Reading, Aim, EditPen, Notebook, DataLine, Fold, Expand, Bell } from '@element-plus/icons-vue'
+
+const route = useRoute()
+const router = useRouter()
+const isCollapse = ref(false)
+
+// 退出登录
+const handleLogout = () => {
+  ElMessageBox.confirm('确定要退出登录吗？', '提示', {
+    confirmButtonText: '确定',
+    cancelButtonText: '取消',
+    type: 'warning'
+  }).then(() => {
+    router.push('/login')
+  }).catch(() => {})
+}
+</script>
+
+<style lang="scss">
+.layout-container {
+  height: 100vh;
+
+  /* 侧边栏 */
+  .aside {
+    background: #ffffff;
+    border-right: 1px solid #e2e8f0;
+    transition: width 0.3s;
+    overflow: hidden;
+
+    .logo {
+      height: 56px;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      font-size: 16px;
+      font-weight: 600;
+      color: #14b8a6;
+      border-bottom: 1px solid #e2e8f0;
+    }
+
+    .side-menu {
+      border-right: none;
+    }
+  }
+
+  /* 顶部 */
+  .header {
+    background: #ffffff;
+    border-bottom: 1px solid #e2e8f0;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    height: 56px;
+    padding: 0 20px;
+    cursor: pointer;
+
+    .header-left {
+      display: flex;
+      align-items: center;
+      gap: 16px;
+    }
+
+    .header-right {
+      display: flex;
+      align-items: center;
+      gap: 16px;
+
+      .avatar {
+        background: #ccfbf1;
+        color: #14b8a6;
+        font-weight: 600;
+      }
+    }
+  }
+
+  /* 主内容 */
+  .main {
+    background: #f0fdfa;
+    padding: 20px;
+  }
+}
+</style>