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-vue3/09-reactivity-helpers/README.md
+++ b/08-vue3/09-reactivity-helpers/README.md
@@ -0,0 +1,24 @@
+# 练习 9：toRef、toRefs 和 readonly
+
+## 目标
+
+学会把响应式对象里的字段拆出来继续保持响应式，并理解只读数据的使用场景。
+
+## 你要练什么
+
+- `toRef`
+- `toRefs`
+- `readonly`
+
+## 任务
+
+- 用 `reactive` 管理学习者信息
+- 用 `toRef` 单独取出 `name`
+- 用 `toRefs` 拆出其余字段
+- 用 `readonly` 包一层设置项
+- 点击按钮更新学习者信息并观察页面变化
+
+## 文件
+
+- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/09-reactivity-helpers/starter.html)
+- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/09-reactivity-helpers/starter.js)
--- a/08-vue3/09-reactivity-helpers/starter.html
+++ b/08-vue3/09-reactivity-helpers/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>toRef、toRefs 和 readonly</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; }
+      button { padding: 10px 16px; border: 0; border-radius: 999px; background: #2d6cdf; color: #fff; cursor: pointer; }
+      code { background: #f2f6fb; padding: 2px 6px; border-radius: 8px; }
+    </style>
+  </head>
+  <body>
+    <section id="app" class="panel">
+      <h1>{{ name }}</h1>
+      <p>当前阶段：{{ stage }}</p>
+      <p>学习天数：{{ studyDays }}</p>
+      <p>主题模式：<code>{{ settings.theme }}</code></p>
+      <button type="button" @click="updateProfile">更新资料</button>
+    </section>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js"></script>
+    <script src="./starter.js"></script>
+  </body>
+</html>
--- a/08-vue3/09-reactivity-helpers/starter.js
+++ b/08-vue3/09-reactivity-helpers/starter.js
@@ -0,0 +1,33 @@
+const { createApp, reactive, toRef, toRefs, readonly } = Vue;
+
+createApp({
+  setup() {
+    const profile = reactive({
+      name: "林晨",
+      stage: "Vue3 入门",
+      studyDays: 12,
+    });
+
+    const name = toRef(profile, "name");
+    const { stage, studyDays } = toRefs(profile);
+    const settings = readonly({
+      theme: "light",
+    });
+
+    function updateProfile() {
+      // 任务：
+      // 1. 更新 name.value
+      // 2. 更新 stage.value
+      // 3. 让 studyDays.value + 1
+      // 4. 不要直接修改 settings.theme
+    }
+
+    return {
+      name,
+      stage,
+      studyDays,
+      settings,
+      updateProfile,
+    };
+  },
+}).mount("#app");