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-vue2/05-computed-and-watch/answer.html
+++ b/07-vue2/05-computed-and-watch/answer.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>computed 和 watch</title>
+    <style>
+      body { margin: 0; padding: 32px; font-family: "PingFang SC", sans-serif; background: #f7f9fd; }
+      .panel { max-width: 760px; margin: 0 auto; padding: 24px; border-radius: 18px; background: #fff; border: 1px solid #d9e2f0; }
+      input { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid #ccd7e9; }
+    </style>
+  </head>
+  <body>
+    <section id="app" class="panel">
+      <h1>课程搜索</h1>
+      <input v-model="keyword" type="text" placeholder="输入关键字" />
+      <p>匹配数量：{{ matchedCount }}</p>
+      <ul>
+        <li v-for="item in filteredCourses" :key="item.id">
+          {{ item.title }}
+        </li>
+      </ul>
+    </section>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
+    <script src="./answer.js"></script>
+  </body>
+</html>