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-vue3/04-lifecycle-and-template-ref/README.md
+++ b/08-vue3/04-lifecycle-and-template-ref/README.md
@@ -0,0 +1,23 @@
+# 练习 4：生命周期和模板 ref
+
+## 目标
+
+学会在组合式 API 里使用生命周期钩子，并通过模板 `ref` 获取 DOM。
+
+## 你要练什么
+
+- `onMounted`
+- `onUpdated`
+- `onUnmounted`
+- 模板 `ref`
+
+## 任务
+
+- 页面挂载后自动聚焦输入框
+- 数据更新后输出日志
+- 页面卸载前清理定时器
+
+## 文件
+
+- [starter.html](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/04-lifecycle-and-template-ref/starter.html)
+- [starter.js](/Users/lijiaqing/home/wwwroot/front-end-example/08-vue3/04-lifecycle-and-template-ref/starter.js)
--- a/08-vue3/04-lifecycle-and-template-ref/starter.html
+++ b/08-vue3/04-lifecycle-and-template-ref/starter.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>生命周期和模板 ref</title>
+    <style>
+      body { margin: 0; padding: 32px; font-family: "PingFang SC", sans-serif; background: #f4f8fb; }
+      .panel { max-width: 720px; margin: 0 auto; padding: 24px; border-radius: 18px; background: #fff; border: 1px solid #d8e4f3; }
+      input { width: 100%; padding: 12px; border-radius: 12px; border: 1px solid #cad7ea; }
+    </style>
+  </head>
+  <body>
+    <section id="app" class="panel">
+      <h1>生命周期练习</h1>
+      <input ref="keywordInput" v-model="keyword" type="text" placeholder="页面挂载后请自动聚焦" />
+      <p>当前输入：{{ keyword }}</p>
+    </section>
+
+    <script src="https://cdn.jsdelivr.net/npm/vue@3/dist/vue.global.js"></script>
+    <script src="./starter.js"></script>
+  </body>
+</html>
--- a/08-vue3/04-lifecycle-and-template-ref/starter.js
+++ b/08-vue3/04-lifecycle-and-template-ref/starter.js
@@ -0,0 +1,28 @@
+const { createApp, ref, onMounted, onUpdated, onUnmounted } = Vue;
+
+createApp({
+  setup() {
+    const keyword = ref("");
+    const keywordInput = ref(null);
+    let timer = null;
+
+    onMounted(() => {
+      // 任务：
+      // 1. 让输入框自动聚焦
+      // 2. 建立一个定时器
+    });
+
+    onUpdated(() => {
+      // 任务：输出 updated 日志
+    });
+
+    onUnmounted(() => {
+      // 任务：清理定时器并输出销毁日志
+    });
+
+    return {
+      keyword,
+      keywordInput,
+    };
+  },
+}).mount("#app");