feat: Add Vue3 exercises and interview plan

- Introduced Vue3 exercises covering composable API, reactivity, lifecycle hooks, and built-in components. - Added structured interview plan for frontend candidates focusing on HTML, CSS, JavaScript, TypeScript, and Vue. - Included starter files for each exercise and detailed README documentation for guidance.
2026-03-24 23:02:58 +08:00
parent 3435848495
commit d0d8be443b
41 changed files with 1551 additions and 5 deletions
--- a/08-vue3/07-composable-and-async/README.md
+++ b/08-vue3/07-composable-and-async/README.md
@@ -0,0 +1,26 @@
+# 练习 7：composable 和异步状态
+
+## 目标
+
+学会把可复用逻辑抽成 composable，并管理 loading / error / data。
+
+## 你要练什么
+
+- composable
+- `ref`
+- 异步状态
+- `loading`
+- `error`
+
+## 任务
+
+- 把课程请求逻辑抽成 `useCourses`
+- 页面加载时调用它
+- 显示 loading
+- 请求成功后渲染列表
+- 请求失败时显示错误信息
+
+## 文件
+
+- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/07-composable-and-async/starter.html)
+- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/07-composable-and-async/starter.js)
--- a/08-vue3/07-composable-and-async/starter.html
+++ b/08-vue3/07-composable-and-async/starter.html
@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>composable 和异步状态</title>
+    <style>
+      body { margin: 0; padding: 32px; font-family: "PingFang SC", sans-serif; background: #f5f8fc; }
+      .panel { max-width: 760px; margin: 0 auto; padding: 24px; border-radius: 18px; background: #fff; border: 1px solid #dbe4f2; }
+      .error { color: #b42318; }
+    </style>
+  </head>
+  <body>
+    <section id="app" class="panel">
+      <h1>课程请求练习</h1>
+      <p v-if="loading">数据加载中...</p>
+      <p v-if="error" class="error">{{ error }}</p>
+      <ul v-if="!loading && !error">
+        <li v-for="item in courses" :key="item.id">{{ item.title }}</li>
+      </ul>
+    </section>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js"></script>
+    <script src="./starter.js"></script>
+  </body>
+</html>
--- a/08-vue3/07-composable-and-async/starter.js
+++ b/08-vue3/07-composable-and-async/starter.js
@@ -0,0 +1,38 @@
+const { createApp, ref, onMounted } = Vue;
+
+function useCourses() {
+  const courses = ref([]);
+  const loading = ref(true);
+  const error = ref("");
+
+  async function loadCourses() {
+    // 任务：
+    // 1. 模拟异步请求
+    // 2. 成功时给 courses 赋值
+    // 3. 失败时给 error 赋值
+    // 4. 最后把 loading 设为 false
+  }
+
+  return {
+    courses,
+    loading,
+    error,
+    loadCourses,
+  };
+}
+
+createApp({
+  setup() {
+    const { courses, loading, error, loadCourses } = useCourses();
+
+    onMounted(() => {
+      // 任务：页面挂载后调用 loadCourses
+    });
+
+    return {
+      courses,
+      loading,
+      error,
+    };
+  },
+}).mount("#app");