feat: add Vue2 exercises for dynamic styles, lifecycle methods, component communication, and course management dashboard

- Implement dynamic styles and event handling in Vue2 with a card component. - Create lifecycle methods exercise to simulate async data loading and instance destruction. - Develop a component communication exercise with props, events, and slots. - Build a comprehensive course management dashboard with filtering, statistics, and component interactions.
2026-03-23 10:09:29 +08:00
parent 00d3c9e4c6
commit 3435848495
48 changed files with 1705 additions and 48 deletions
--- a/07-vue2/09-final-course-dashboard/starter.html
+++ b/07-vue2/09-final-course-dashboard/starter.html
@@ -0,0 +1,65 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Vue2 综合课程管理面板</title>
+    <style>
+      body { margin: 0; padding: 32px; font-family: "PingFang SC", sans-serif; background: #f4f7fb; }
+      .page { max-width: 960px; margin: 0 auto; display: grid; gap: 18px; }
+      .panel { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid #d9e4f1; }
+      .toolbar { display: grid; grid-template-columns: 1fr 180px 160px; gap: 12px; }
+      input, select, button { padding: 12px 14px; border-radius: 12px; border: 1px solid #cad6e8; font: inherit; }
+      button { border: 0; background: #2d6cdf; color: #fff; cursor: pointer; }
+      .list { display: grid; gap: 14px; }
+      .course-card { padding: 18px; border-radius: 16px; border: 1px solid #dbe4f1; background: #fbfcfe; }
+      .course-card.is-done { border-color: #6cc18a; background: #f3fbf6; }
+      .meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
+      .badge { display: inline-flex; padding: 4px 10px; border-radius: 999px; background: #edf4ff; color: #2d6cdf; font-size: 12px; }
+      .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
+      .empty { padding: 18px; border-radius: 16px; background: #fff6e8; color: #a06200; }
+    </style>
+  </head>
+  <body>
+    <section id="app" class="page">
+      <article class="panel">
+        <h1>Vue2 课程管理面板</h1>
+        <div class="toolbar">
+          <input ref="searchInput" v-model="keyword" type="text" placeholder="输入课程关键字" />
+          <select v-model="statusFilter">
+            <option value="all">全部</option>
+            <option value="done">已完成</option>
+            <option value="doing">学习中</option>
+          </select>
+          <button type="button" @click="focusSearch">聚焦搜索框</button>
+        </div>
+      </article>
+
+      <section class="panel">
+        <div v-if="!filteredCourses.length" class="empty">暂无匹配结果</div>
+
+        <div v-show="filteredCourses.length" class="list">
+          <course-item
+            v-for="course in filteredCourses"
+            :key="course.id"
+            :course="course"
+            @toggle="toggleCourse"
+          >
+            <template v-slot:action>
+              切换完成状态
+            </template>
+          </course-item>
+        </div>
+      </section>
+
+      <footer class="panel stats">
+        <div>总课程数：{{ totalCount }}</div>
+        <div>已完成数：{{ finishedCount }}</div>
+        <div>当前筛选数：{{ visibleCount }}</div>
+      </footer>
+    </section>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
+    <script src="./starter.js"></script>
+  </body>
+</html>