Week 1-8: Spring Boot 学习计划完整项目

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
2026-04-29 23:45:17 +08:00
commit f95aa18724
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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?

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# Vue 3 + Vite
This template should help get you started developing with Vue 3 in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
Learn more about IDE Support for Vue in the [Vue Docs Scaling up Guide](https://vuejs.org/guide/scaling-up/tooling.html#ide-support).

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/favicon.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Week 6 — Vue 3 学习项目</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.js"></script>
</body>
</html>

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{
"name": "week6",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview"
},
"dependencies": {
"axios": "^1.15.2",
"pinia": "^3.0.4",
"vue": "^3.5.32",
"vue-router": "^5.0.6"
},
"devDependencies": {
"@vitejs/plugin-vue": "^6.0.6",
"vite": "^8.0.10"
}
}

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<!-- 根组件NavBar + 路由视图 -->
<template>
<NavBar />
<main>
<router-view />
</main>
</template>
<script setup>
import NavBar from './components/NavBar.vue'
</script>

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// 第 7 天Axios 封装 — 统一处理 JWT 和错误
import axios from 'axios'
const http = axios.create({
baseURL: '/api',
timeout: 10000
})
// 请求拦截器:自动附加 Token
http.interceptors.request.use(config => {
const token = localStorage.getItem('wk6_token')
if (token) {
config.headers.Authorization = `Bearer ${token}`
}
return config
}, error => Promise.reject(error))
// 响应拦截器:统一错误处理
http.interceptors.response.use(
response => response,
error => {
if (error.response) {
switch (error.response.status) {
case 401:
localStorage.removeItem('wk6_token')
window.location.href = '/login'
break
case 403:
alert('权限不足')
break
case 500:
alert('服务器错误: ' + (error.response.data?.message || '未知'))
break
}
}
return Promise.reject(error)
}
)
export default http

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<!-- 导航栏组件 4-5 组件通信 + 路由导航 -->
<template>
<nav>
<div class="nav-brand">Vue 3 学习</div>
<div class="nav-links">
<router-link to="/">首页</router-link>
<router-link to="/counter">计数器</router-link>
<router-link to="/form">表单</router-link>
<router-link to="/todo">Todo</router-link>
<router-link to="/about">关于</router-link>
</div>
</nav>
</template>
<script setup>
// NavBar 是纯展示组件,无 props/emits
// router-link 是 Vue Router 提供的组件,渲染为 <a> 标签
</script>
<style scoped>
nav {
display: flex; justify-content: space-between; align-items: center;
padding: 0 24px; height: 56px; background: #667eea; color: #fff;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.nav-brand { font-size: 1.2em; font-weight: 700; }
.nav-links { display: flex; gap: 8px; }
.nav-links a {
color: rgba(255,255,255,0.8); text-decoration: none;
padding: 6px 14px; border-radius: 6px; font-size: 0.9em; transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.router-link-active {
color: #fff; background: rgba(255,255,255,0.15);
}
</style>

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<!-- 4 TodoForm 组件 演示 v-model emits 传值 -->
<template>
<form class="todo-form" @submit.prevent="handleSubmit">
<input
v-model="text"
type="text"
placeholder="输入新的任务..."
maxlength="50"
autofocus
/>
<button type="submit" class="btn-add" :disabled="!text.trim()">添加</button>
</form>
</template>
<script setup>
import { ref } from 'vue'
const emit = defineEmits(['add'])
const text = ref('')
function handleSubmit() {
if (!text.value.trim()) return
emit('add', text.value.trim())
text.value = ''
}
</script>
<style scoped>
.todo-form {
display: flex; gap: 10px; margin-bottom: 20px;
}
.todo-form input {
flex: 1; padding: 10px 14px; border: 1.5px solid #ddd; border-radius: 8px;
font-size: 0.95em;
}
.todo-form input:focus { outline: none; border-color: #667eea; }
.btn-add {
padding: 10px 24px; background: #667eea; color: #fff; border: none;
border-radius: 8px; font-size: 0.95em; cursor: pointer;
}
.btn-add:disabled { background: #ccc; cursor: not-allowed; }
.btn-add:not(:disabled):hover { background: #5a6fd6; }
</style>

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<!-- 4 TodoItem 组件 演示 props emits -->
<template>
<li :class="{ done: todo.done }">
<span class="todo-text" @click="$emit('toggle', todo.id)">{{ todo.text }}</span>
<button class="btn-del" @click="$emit('remove', todo.id)">删除</button>
</li>
</template>
<script setup>
// props: 父组件传入的 todo 对象
// emits: 向父组件发送 toggle / remove 事件
defineProps({ todo: { type: Object, required: true } })
defineEmits(['toggle', 'remove'])
</script>
<style scoped>
li {
display: flex; justify-content: space-between; align-items: center;
padding: 12px 14px; background: #f8f9fa; border-radius: 8px; margin-bottom: 8px;
transition: all 0.2s;
}
li:hover { background: #eef0ff; }
li.done .todo-text { text-decoration: line-through; color: #aaa; }
.todo-text { cursor: pointer; flex: 1; }
.btn-del {
background: #e74c3c; color: #fff; border: none; padding: 4px 12px;
border-radius: 6px; cursor: pointer; font-size: 0.82em;
}
.btn-del:hover { background: #c0392b; }
</style>

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import { createApp } from 'vue'
import { createPinia } from 'pinia'
import router from './router'
import App from './App.vue'
import './style.css'
const app = createApp(App)
app.use(createPinia()) // 第 6 天Pinia 状态管理
app.use(router) // 第 5 天Vue Router
app.mount('#app')

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// 第 5 天Vue Router 路由配置
import { createRouter, createWebHistory } from 'vue-router'
const routes = [
{
path: '/',
name: 'Home',
component: () => import('../views/HomeView.vue'),
meta: { title: '首页' }
},
{
path: '/counter',
name: 'Counter',
component: () => import('../views/CounterView.vue'),
meta: { title: '响应式计数器 — Day 2' }
},
{
path: '/form',
name: 'FormDemo',
component: () => import('../views/FormDemoView.vue'),
meta: { title: '表单指令 — Day 3' }
},
{
path: '/todo',
name: 'Todo',
component: () => import('../views/TodoView.vue'),
meta: { title: 'Todo List — Day 2-6' }
},
{
path: '/about',
name: 'About',
component: () => import('../views/AboutView.vue'),
meta: { title: '关于 Week 6' }
}
]
const router = createRouter({
history: createWebHistory(),
routes
})
// 导航守卫:动态修改页面标题
router.afterEach((to) => {
document.title = to.meta.title || 'Vue 3 学习'
})
export default router

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// 第 6-7 天Pinia — 认证 StoreToken 管理 + 模拟登录)
// Week 7 对接真实后端时会替换为实际 API 调用
import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
export const useAuthStore = defineStore('auth', () => {
const token = ref(localStorage.getItem('wk6_token') || '')
const user = ref(null)
const isLoggedIn = computed(() => !!token.value)
function login(username, password) {
// 第 7 天会用 axios 调用真实登录接口替换此模拟
return new Promise((resolve, reject) => {
// 模拟延迟
setTimeout(() => {
if (username && password) {
token.value = 'demo-jwt-token-' + Date.now()
user.value = { username, role: username === 'admin' ? 'ADMIN' : 'USER' }
localStorage.setItem('wk6_token', token.value)
resolve(user.value)
} else {
reject(new Error('用户名和密码不能为空'))
}
}, 500)
})
}
function logout() {
token.value = ''
user.value = null
localStorage.removeItem('wk6_token')
}
return { token, user, isLoggedIn, login, logout }
})

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// 第 6 天Pinia — 计数器 Store演示 ref/computed 在 store 中的用法)
import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
export const useCounterStore = defineStore('counter', () => {
const count = ref(0)
const double = computed(() => count.value * 2)
function increment() { count.value++ }
function decrement() { count.value-- }
function reset() { count.value = 0 }
return { count, double, increment, decrement, reset }
})

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// 第 6 天Pinia — Todo Store跨组件共享状态
import { defineStore } from 'pinia'
import { ref, computed } from 'vue'
export const useTodoStore = defineStore('todo', () => {
const todos = ref([
{ id: 1, text: '学习 Vue 3 响应式数据', done: true },
{ id: 2, text: '理解 computed 计算属性', done: true },
{ id: 3, text: '掌握组件通信 (props/emits)', done: false }
])
let nextId = 4
// 计算属性:未完成 / 已完成
const undone = computed(() => todos.value.filter(t => !t.done))
const done = computed(() => todos.value.filter(t => t.done))
function add(text) {
todos.value.push({ id: nextId++, text, done: false })
}
function toggle(id) {
const t = todos.value.find(t => t.id === id)
if (t) t.done = !t.done
}
function remove(id) {
todos.value = todos.value.filter(t => t.id !== id)
}
function clearDone() {
todos.value = todos.value.filter(t => !t.done)
}
return { todos, undone, done, add, toggle, remove, clearDone }
})

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/* ========== 全局重置 ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
"Microsoft YaHei", sans-serif;
background: #f0f2f5; color: #333; min-height: 100vh;
}
a { color: #667eea; text-decoration: none; }
button { font-family: inherit; }

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<!-- 关于页面 -->
<template>
<div class="page">
<h1>关于 Week 6</h1>
<div class="card">
<h3>学习目标</h3>
<p>掌握 Vue 3 核心能独立开发 SPA 应用</p>
</div>
<div class="card">
<h3>技术栈</h3>
<ul>
<li>Vue 3 (Composition API + SFC)</li>
<li>Vite (构建工具)</li>
<li>Vue Router (路由)</li>
<li>Pinia (状态管理)</li>
<li>Axios (HTTP 客户端)</li>
</ul>
</div>
<div class="card">
<h3>下周预告Week 7</h3>
<p>将本项目的 Vue 前端与 Week 5 Spring Boot 后端对接实现前后端分离的完整学生管理系统</p>
</div>
</div>
</template>
<style scoped>
.page { max-width: 600px; margin: 40px auto; padding: 0 20px; }
h1 { margin-bottom: 24px; }
.card {
background: #fff; border-radius: 10px; padding: 20px; margin-bottom: 16px;
box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.card h3 { color: #667eea; margin-bottom: 8px; }
.card ul { padding-left: 20px; color: #555; }
.card li { margin-bottom: 4px; }
</style>

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<!-- 2 响应式数据 ref / reactive / computed 演示 -->
<template>
<div class="page">
<h1>计数器 ref / reactive / computed</h1>
<!-- 使用 Pinia Store 6 天升级 -->
<div class="card">
<h2>Pinia Store </h2>
<p class="count">{{ store.count }}</p>
<p class="hint">两倍值: {{ store.double }}</p>
<div class="btns">
<button @click="store.decrement()">-1</button>
<button @click="store.increment()">+1</button>
<button class="btn-reset" @click="store.reset()">归零</button>
</div>
</div>
<!-- 本地 ref 演示Day 2 教学用 -->
<div class="card">
<h2>本地 ref 组件内状态</h2>
<p class="count local">{{ localCount }}</p>
<p class="hint">{{ localCount }} {{ parity }}</p>
<div class="btns">
<button @click="localCount--">-1</button>
<button @click="localCount++">+1</button>
</div>
</div>
</div>
</template>
<script setup>
import { ref, computed } from 'vue'
import { useCounterStore } from '../stores/counter'
const store = useCounterStore()
// 本地响应式数据
const localCount = ref(0)
// computed计算属性依赖 localCount 自动缓存
const parity = computed(() => localCount.value % 2 === 0 ? '偶数' : '奇数')
</script>
<style scoped>
.page { max-width: 600px; margin: 40px auto; padding: 0 20px; }
h1 { margin-bottom: 24px; }
.card {
background: #fff; border-radius: 10px; padding: 28px; margin-bottom: 20px;
box-shadow: 0 2px 8px rgba(0,0,0,0.08); text-align: center;
}
.card h2 { font-size: 1.1em; color: #667eea; margin-bottom: 12px; }
.count { font-size: 4em; font-weight: 700; margin: 10px 0; }
.count.local { color: #764ba2; }
.hint { color: #888; margin-bottom: 16px; }
.btns { display: flex; gap: 10px; justify-content: center; }
.btns button {
padding: 10px 24px; border: 1.5px solid #667eea; border-radius: 8px;
background: #fff; color: #667eea; font-size: 1em; cursor: pointer; transition: all 0.2s;
}
.btns button:hover { background: #667eea; color: #fff; }
.btn-reset { background: #f0f0f0 !important; border-color: #ccc !important; color: #666 !important; }
.btn-reset:hover { background: #eee !important; color: #333 !important; }
</style>

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<!-- 3 指令 v-if / v-for / v-model / v-bind 演示 -->
<template>
<div class="page">
<h1>表单指令演示</h1>
<!-- v-model 双向绑定 -->
<div class="card">
<h2>v-model 双向绑定</h2>
<input v-model="form.name" placeholder="输入姓名" />
<input v-model="form.email" placeholder="输入邮箱" type="email" />
<p class="live-preview">👤 {{ form.name || '???' }} &lt;{{ form.email || '???' }}&gt;</p>
</div>
<!-- v-if / v-show -->
<div class="card">
<h2>v-if / v-show</h2>
<label><input type="checkbox" v-model="showDetail" /> 显示详细信息</label>
<div v-if="showDetail" class="detail-box">
<strong>v-if</strong>完全销毁和重建 DOM 元素适合切换频率低的场景
</div>
<div v-show="showDetail" class="detail-box show">
<strong>v-show</strong>仅切换 display 属性适合切换频率高的场景
</div>
</div>
<!-- v-for 列表渲染 -->
<div class="card">
<h2>v-for 列表渲染</h2>
<ul>
<li v-for="(item, index) in skills" :key="index" :class="{ highlight: item.level > 3 }">
<span>{{ item.name }}</span>
<span class="level">
<span v-for="n in 5" :key="n" :class="{ filled: n <= item.level }"></span>
</span>
</li>
</ul>
</div>
</div>
</template>
<script setup>
import { ref, reactive } from 'vue'
// reactive适合对象/数组(与 ref 对比学习)
const form = reactive({ name: '', email: '' })
const showDetail = ref(false)
const skills = [
{ name: 'ref / reactive', level: 5 },
{ name: 'computed / watch', level: 4 },
{ name: 'v-if / v-for / v-model', level: 3 },
{ name: 'component props/emits', level: 2 }
]
</script>
<style scoped>
.page { max-width: 600px; margin: 40px auto; padding: 0 20px; }
h1 { margin-bottom: 24px; }
.card {
background: #fff; border-radius: 10px; padding: 20px; margin-bottom: 18px;
box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.card h2 { font-size: 1.05em; color: #667eea; margin-bottom: 12px; }
input {
width: 100%; padding: 9px 12px; border: 1.5px solid #ddd; border-radius: 8px;
margin-bottom: 10px; font-size: 0.93em;
}
input:focus { outline: none; border-color: #667eea; }
.live-preview { color: #764ba2; font-weight: 600; margin-top: 6px; }
label { cursor: pointer; display: block; margin-bottom: 10px; font-size: 0.95em; }
.detail-box { background: #f0f4ff; padding: 12px; border-radius: 8px; margin-top: 8px; font-size: 0.9em; }
.detail-box.show { background: #fff8e1; }
ul { list-style: none; padding: 0; }
li { display: flex; justify-content: space-between; padding: 10px 12px; border-bottom: 1px solid #f0f0f0; }
li:last-child { border-bottom: none; }
li.highlight { background: #f0f4ff; border-radius: 6px; }
.level { color: #ddd; letter-spacing: 2px; }
.level .filled { color: #f39c12; }
</style>

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<!-- 首页Week 6 知识点总览Day 1 -->
<template>
<div class="page">
<h1>欢迎来到 Vue 3 学习 🎉</h1>
<p class="subtitle">Week 6 目标掌握 Vue 3 基础能开发 SPA 应用</p>
<div class="day-grid">
<div class="day-card" v-for="day in days" :key="day.num">
<h3> {{ day.num }} </h3>
<p>{{ day.title }}</p>
<ul>
<li v-for="item in day.items" :key="item">{{ item }}</li>
</ul>
</div>
</div>
<div class="api-test" v-if="apiMsg">
<h3>后端连通性测试</h3>
<p>{{ apiMsg }}</p>
</div>
</div>
</template>
<script setup>
// 第 2 天ref 响应式数据
import { ref, onMounted } from 'vue'
const days = ref([
{ num: 1, title: 'Vue 3 入门', items: ['SFC 单文件组件', 'Vite 脚手架', 'template/script/style'] },
{ num: 2, title: '响应式数据', items: ['ref / reactive', 'computed 计算属性', 'watch 侦听器'] },
{ num: 3, title: '指令系统', items: ['v-if / v-show', 'v-for', 'v-model 双向绑定'] },
{ num: 4, title: '组件通信', items: ['props 父传子', 'emits 子传父', '插槽 slot'] },
{ num: 5, title: '路由', items: ['Vue Router', '路由懒加载', '导航守卫'] },
{ num: 6, title: '状态管理', items: ['Pinia', 'defineStore', '跨组件共享'] },
{ num: 7, title: 'HTTP 客户端', items: ['Axios 封装', '请求拦截器', '代理配置'] }
])
// 第 7 天预习:尝试连接后端(后端启动后可见效果)
const apiMsg = ref('')
onMounted(async () => {
try {
const resp = await fetch('/api/students?keyword=')
if (resp.ok) apiMsg.value = '✅ 后端连接成功Spring Boot 运行中。'
else apiMsg.value = '⚠ 后端返回异常状态: ' + resp.status
} catch {
apiMsg.value = '💡 后端未启动Week 7 会对接)。这是正常的,当前专注于前端学习。'
}
})
</script>
<style scoped>
.page { max-width: 960px; margin: 40px auto; padding: 0 20px; }
h1 { font-size: 1.8em; margin-bottom: 6px; }
.subtitle { color: #666; margin-bottom: 32px; }
.day-grid {
display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
gap: 16px;
}
.day-card {
background: #fff; border-radius: 10px; padding: 20px;
box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.day-card h3 { color: #667eea; margin-bottom: 6px; }
.day-card p { font-weight: 600; margin-bottom: 10px; }
.day-card ul { padding-left: 18px; color: #555; font-size: 0.9em; }
.day-card li { margin-bottom: 4px; }
.api-test {
margin-top: 32px; background: #f0f4ff; padding: 20px; border-radius: 10px;
}
.api-test h3 { margin-bottom: 6px; }
</style>

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<!--
2-6 天综合Todo List
演示组件拆分Day 4+ Pinia StoreDay 6+ 响应式计算
-->
<template>
<div class="page">
<h1>Todo List 📝</h1>
<!-- 4 TodoForm 子组件通过 emit 传递 add 事件 -->
<TodoForm @add="store.add" />
<!-- 统计 -->
<div class="stats">
总计 <strong>{{ store.todos.length }}</strong>
未完成 <strong>{{ store.undone.length }}</strong>
已完成 <strong>{{ store.done.length }}</strong>
<button v-if="store.done.length" class="btn-clear" @click="store.clearDone()">
清除已完成
</button>
</div>
<!-- 3 v-if / v-for -->
<ul v-if="store.todos.length" class="todo-list">
<!-- 4 TodoItem 子组件props 传数据emits 收事件 -->
<TodoItem
v-for="todo in store.todos"
:key="todo.id"
:todo="todo"
@toggle="store.toggle"
@remove="store.remove"
/>
</ul>
<div v-else class="empty">暂无任务添加一个吧 </div>
</div>
</template>
<script setup>
import { useTodoStore } from '../stores/todo'
import TodoForm from '../components/TodoForm.vue'
import TodoItem from '../components/TodoItem.vue'
const store = useTodoStore()
</script>
<style scoped>
.page { max-width: 600px; margin: 40px auto; padding: 0 20px; }
h1 { margin-bottom: 20px; }
.stats {
background: #f8f9fa; padding: 10px 16px; border-radius: 8px;
margin-bottom: 16px; font-size: 0.88em; color: #666;
display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
}
.stats strong { color: #667eea; }
.btn-clear {
margin-left: auto; background: #e74c3c; color: #fff; border: none;
padding: 4px 14px; border-radius: 6px; cursor: pointer; font-size: 0.82em;
}
.btn-clear:hover { background: #c0392b; }
.todo-list { list-style: none; padding: 0; }
.empty {
text-align: center; color: #aaa; padding: 60px 0; font-size: 1.1em;
}
</style>

15
week6/vite.config.js Normal file
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import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
export default defineConfig({
plugins: [vue()],
server: {
port: 5173,
proxy: {
'/api': { // 第 7 天:代理后端 API
target: 'http://localhost:8080',
changeOrigin: true
}
}
}
})

226
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# Week 6Vue 3 前端框架入门
**目标**:掌握 Vue 3 Composition API + Vite + Vue Router + Pinia能独立开发 SPA 应用。
**前置**:已完成 Week 5 Spring Boot 后端,有 HTML/CSS/JS 基础。
**本周产出**:一个独立的 Todo SPA 应用,包含计数器、动态表单、组件拆分、路由导航、状态管理和 HTTP 封装。
**启动方式**
```bash
cd week6
npm install # 首次运行
npm run dev # 启动开发服务器 → http://localhost:5173
```
---
## Day 1Vue 3 介绍、Vite 脚手架、组件基础
**知识点**
- Vue 3 是什么:渐进式前端框架,核心是"响应式数据 + 声明式渲染"
- SFCSingle File Component`.vue` 文件 = `<template>` + `<script setup>` + `<style scoped>`
- Composition API vs Options API为什么选 Composition API
- Vite新一代构建工具冷启动快ES Module、HMR 极速
- 项目结构:`main.js`(入口)、`App.vue`(根组件)、`components/``views/`
**动手 → 理解**
1. 打开 `src/main.js`:理解 `createApp(App).mount('#app')` 的过程
2. 打开 `src/App.vue`:观察 `<script setup>` 语法糖
3. 修改 `index.html` 中的 `<title>`,观察浏览器标签变化
4.`HomeView.vue``<template>` 中加一行 `<p>Hello Vue!</p>`,观察热更新
5.`style scoped` 去掉,观察样式是否泄漏到其他组件
**核心文件**
- `index.html` — 入口 HTML`<div id="app">` 挂载点
- `src/main.js` — 应用初始化
- `src/App.vue` — 根组件
- `vite.config.js` — Vite 配置(插件、代理、端口)
**思考题**`<script setup>` 和普通的 `<script>` 有什么区别?为什么 Vue 3 推荐 setup 语法糖?
---
## Day 2响应式数据ref/reactive、计算属性
**知识点**
- `ref()`包装基本类型number、string、boolean通过 `.value` 访问
- `reactive()`:包装对象/数组,直接访问属性(不需要 `.value`
- `computed()`:计算属性,依赖变化时自动重新计算,带缓存
- `watch()` / `watchEffect()`:侦听数据变化执行副作用
- 响应式的本质Proxy 拦截 getter/setter数据变 → 视图自动变
- 模板中 ref 自动解包(不需要写 `.value`
**动手 → 理解**
1. 打开 `CounterView.vue`,在模板中写 `{{ localCount }}`,不需要 `.value`
2.`<script>` 中用 `console.log(localCount.value)` 打印当前值
3. 修改 `computed` 的计算逻辑,改为判断"是否大于 10"
4. 添加一个 `watch`,在 `localCount` 变化时 `console.log('变了:', newVal)`
5. 对比:把 `reactive` 改为 `ref` 写一个对象,体会 `.value` 的区别
**核心文件**
- `views/CounterView.vue` — ref + computed 演示
- `stores/counter.js` — Pinia store第 6 天预热)
**思考题**:为什么模板中 ref 自动解包,但 `<script>` 里必须用 `.value`
---
## Day 3指令系统v-if/v-for/v-model
**知识点**
- `v-if` / `v-else-if` / `v-else`:条件渲染(销毁/重建 DOM
- `v-show`:条件显示(仅切换 `display`)—— 适合频繁切换
- `v-for`:列表渲染,必须有 `:key` 唯一标识
- `v-bind`(缩写 `:`):动态绑定属性 `:class``:style``:href`
- `v-model`:双向绑定,表单输入 ↔ 数据自动同步
- `v-on`(缩写 `@`):事件绑定 `@click``@submit``@keyup`
- `v-model` 修饰符:`.trim``.number``.lazy`
**动手 → 理解**
1. 打开 `FormDemoView.vue`,在输入框中输入,观察下方实时预览
2. 用 DevTools 检查:勾选"显示详细信息"时,`v-if` 的元素是否在 DOM 中?
3.`v-if` 换成 `v-show`,再次检查 DOM 差异
4.`v-for``<li>` 中故意不写 `:key`,观察控制台警告
5. 尝试加一个 `v-model.lazy` 的输入框,对比 `input` 事件和 `change` 事件的区别
**核心文件**
- `views/FormDemoView.vue` — 指令综合演示
**思考题**:什么时候用 `v-if`,什么时候用 `v-show`?为什么 `v-for``v-if` 不建议同时使用?
---
## Day 4组件通信props/emits、插槽
**知识点**
- `defineProps()`:父组件向子组件传递数据(单向数据流)
- `defineEmits()`:子组件向父组件发送事件(回调模式)
- Prop 校验:`type``required``default``validator`
- 单向数据流原则:子组件不能直接修改 props
- `v-model` 组件版:`modelValue` + `update:modelValue`
- `<slot>` 插槽:父组件向子组件传递模板内容
- 命名插槽、作用域插槽(高级)
**动手 → 理解**
1. 打开 `TodoForm.vue``TodoItem.vue`,对照看 props 和 emits
2.`TodoItem` 中尝试直接 `todo.done = true`(不通过 emit观察 Pinia 是否感知
3.`TodoItem` 的 props 加一个 `validator`,限制 `todo.text` 不能为空
4. 练习:新建一个 `<Card>` 组件,用 `<slot>` 让父组件填充内容
5. 尝试用 `v-model` 模式改写 `TodoForm`(父组件用 v-model 双向绑定输入值)
**核心文件**
- `components/TodoForm.vue` — props 接收 / emits 发送
- `components/TodoItem.vue` — props 接收 / emits 发送
- `views/TodoView.vue` — 父组件,组装 TodoForm + TodoItem
**思考题**:为什么不直接在子组件中操作 Pinia store而是通过 props/emits 层层传递?
---
## Day 5Vue Router 路由
**知识点**
- `vue-router`前端路由URL 变化时不刷新页面
- `createRouter({ history: createWebHistory() })`HTML5 History 模式
- `<router-link>`:导航链接(渲染为 `<a>` 标签)
- `<router-view>`:路由出口(匹配的组件渲染在这里)
- 路由懒加载:`() => import('../views/XXX.vue')`
- `meta`:路由元信息(标题、权限等)
- 导航守卫:`beforeEach``afterEach`
- 动态路由:`/user/:id`
**动手 → 理解**
1. 点击导航栏各链接,观察 URL 变化和页面内容,按 F12 Network 面板看是否有网络请求
2.`router/index.js` 中临时把 `createWebHistory` 改为 `createWebHashHistory`,观察 URL 变化(`#` 号出现)
3. 修改某个路由的 `meta.title`,观察浏览器标签变化
4. 在导航守卫中加 `console.log('从', from.path, '到', to.path)`
5. 添加一个 `/user/:name` 动态路由页面
**核心文件**
- `router/index.js` — 路由配置 + 导航守卫
- `components/NavBar.vue``<router-link>` 导航
**思考题**:为什么前端路由要用 History 模式而不是 Hash 模式History 模式上线需要注意什么Nginx 配置)?
---
## Day 6Pinia 状态管理
**知识点**
- 为什么需要状态管理:跨组件/跨页面共享数据
- `defineStore('name', () => { ... })`Setup Store 语法(与 Composition API 一致)
- State`ref()` / `reactive()` 定义状态
- Getters`computed()` 定义派生状态
- Actions普通函数可异步
- `storeToRefs()`:解构时保持响应性
- Store 在 `main.js` 中通过 `app.use(createPinia())` 注入
- 组件中直接 `const store = useXxxStore()` 使用
**动手 → 理解**
1. 打开 `stores/todo.js`,观察 state/getters/actions 的定义方式
2. 在浏览器中操作 Todo打开 Vue DevTools 的 Pinia 面板查看状态变化
3.`CounterView.vue` 中对比Pinia store 的 counter 和本地 ref 的 counter
4.`storeToRefs(todoStore)` 解构 `todos`,验证响应性
5. 练习:新建一个 `theme` store管理暗色/亮色主题切换
**核心文件**
- `stores/counter.js` — 简单 store 示例
- `stores/todo.js` — 完整 CRUD store
- `stores/auth.js` — 认证 Token store
- `main.js``app.use(createPinia())`
**思考题**Pinia 和 Vuex 有什么区别?为什么 Vue 3 官方推荐 Pinia
---
## Day 7Axios 封装与请求拦截
**知识点**
- `axios.create()`:创建实例,配置 baseURL、timeout
- 请求拦截器:自动附加 Token、设置 Content-Type
- 响应拦截器:统一处理 401/403/500
- `Authorization: Bearer <token>`JWT 标准格式
- Vite proxy 配置:开发环境代理 `/api` 到 Spring Boot
- `.env` 环境变量:`VITE_API_BASE_URL`
**动手 → 理解**
1. 打开 `api/http.js`,对照 Week 5 的 `app.js``api()` 函数,对比封装方式
2. 用 DevTools Network 面板观察请求头中是否有 `Authorization`
3. 故意把 token 改错,观察响应拦截器的 401 处理
4. 检查 `vite.config.js` 的 proxy 配置,理解开发环境代理原理
5. 添加 `VITE_API_BASE_URL` 环境变量,修改 `baseURL` 读取环境变量
**核心文件**
- `api/http.js` — Axios 实例 + 拦截器
- `vite.config.js``server.proxy` — 开发代理
- `stores/auth.js` — Token 存储与模拟登录
**思考题**:为什么开发环境需要 Vite proxy而生产环境用 Nginx 反向代理?
---
## Week 6 总结
| 维度 | 掌握内容 |
|------|---------|
| 脚手架 | Vite 创建项目、目录结构、HMR 热更新 |
| 响应式 | ref / reactive / computed / watch |
| 指令 | v-if / v-show / v-for / v-model / v-bind / v-on |
| 组件 | SFC、props / emits、slot、scoped style |
| 路由 | Vue Router、懒加载、导航守卫 |
| 状态 | Pinia Setup Store、storeToRefs |
| 网络 | Axios 封装、拦截器、Vite proxy |
**与 Week 5 的对比**
| | Week 5 前端 | Week 6 前端 |
|------|-----------|-----------|
| 框架 | 原生 HTML + 原生 JS | Vue 3 + Vite |
| 状态管理 | localStorage + DOM 操作 | Pinia 响应式 store |
| 路由 | 无(单页面切换 display | Vue Router History 模式 |
| HTTP | fetch 手写 | Axios 拦截器封装 |
| 组件化 | 无 | SFC + props/emits |
| 开发体验 | 手动刷新 | HMR 热更新 |
**预习 Week 7**:将本项目的 Vue 前端与 Week 5 的 Spring Boot 后端对接,用 Axios 替换模拟登录,实现前后端分离的学生管理系统 v3。