update vue demo

This commit is contained in:
yumaojun03 2025-07-27 17:39:36 +08:00
parent 15f32e0e30
commit b7e3682825
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# vue
+ [MVVM理念](https://gitee.com/infraboard/go-course/blob/master/day20/vue-base.md#vue%E5%85%A5%E9%97%A8%E5%9F%BA%E7%A1%80)
+ [Vue3]()
```sh
yrm add tn https://registry.npmmirror.com/
yrm use tn
yrm ls
npm ---- https://registry.npmjs.org/
cnpm --- http://r.cnpmjs.org/
taobao - https://registry.npm.taobao.org/
nj ----- https://registry.nodejitsu.com/
rednpm - http://registry.mirror.cqupt.edu.cn/
npmMirror https://skimdb.npmjs.com/registry/
edunpm - http://registry.enpmjs.org/
yarn --- https://registry.yarnpkg.com
* tn ----- https://registry.npmmirror.com/
```
## 环境
插件安装:
```sh
vscode 插件
Beautify: js, css, html 语法高亮差距
ESLint: js eslint语法风格检查
Auto Rename Tag: tag rename
Vetur: vue语法高亮插架
```
使用vue脚手架
```sh
$ cd vue3-demo
$ npm install
$ npm run dev
```

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const monster1 = { eyeCount: 4 };
const handler1 = {
set(obj, prop, value) {
if ((prop === 'eyeCount') && ((value % 2) !== 0)) {
console.log('Monsters must have an even number of eyes');
} else {
return Reflect.set(...arguments);
}
}
};
const proxy1 = new Proxy(monster1, handler1);
proxy1.eyeCount = 1;
// expected output: "Monsters must have an even number of eyes"
console.log(proxy1.eyeCount);
// expected output: 4
proxy1.eyeCount = 2;
console.log(proxy1.eyeCount);
// expected output: 2
console.log(proxy1.eyeCount);
// expected output: 2

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[*.{js,jsx,mjs,cjs,ts,tsx,mts,cts,vue,css,scss,sass,less,styl}]
charset = utf-8
indent_size = 2
indent_style = space
insert_final_newline = true
trim_trailing_whitespace = true
end_of_line = lf
max_line_length = 100

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* text=auto eol=lf

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
.DS_Store
dist
dist-ssr
coverage
*.local
/cypress/videos/
/cypress/screenshots/
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
*.tsbuildinfo

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{
"$schema": "https://json.schemastore.org/prettierrc",
"semi": false,
"singleQuote": true,
"printWidth": 100
}

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{
"recommendations": [
"Vue.volar",
"dbaeumer.vscode-eslint",
"EditorConfig.EditorConfig",
"esbenp.prettier-vscode"
]
}

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# vue3-demo
This template should help get you started developing with Vue 3 in Vite.
## Recommended IDE Setup
[VSCode](https://code.visualstudio.com/) + [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur).
## Customize configuration
See [Vite Configuration Reference](https://vite.dev/config/).
## Project Setup
```sh
npm install
```
### Compile and Hot-Reload for Development
```sh
npm run dev
```
### Compile and Minify for Production
```sh
npm run build
```
### Lint with [ESLint](https://eslint.org/)
```sh
npm run lint
```

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import { defineConfig, globalIgnores } from 'eslint/config'
import globals from 'globals'
import js from '@eslint/js'
import pluginVue from 'eslint-plugin-vue'
import skipFormatting from '@vue/eslint-config-prettier/skip-formatting'
export default defineConfig([
{
name: 'app/files-to-lint',
files: ['**/*.{js,mjs,jsx,vue}'],
},
globalIgnores(['**/dist/**', '**/dist-ssr/**', '**/coverage/**']),
{
languageOptions: {
globals: {
...globals.browser,
},
},
},
js.configs.recommended,
...pluginVue.configs['flat/essential'],
skipFormatting,
])

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<!doctype html>
<html lang="">
<head>
<meta charset="UTF-8" />
<link rel="icon" href="/favicon.ico" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vue3 Demo</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.js"></script>
</body>
</html>

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{
"compilerOptions": {
"paths": {
"@/*": ["./src/*"]
}
},
"exclude": ["node_modules", "dist"]
}

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{
"name": "vue3-demo",
"version": "0.0.0",
"private": true,
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview",
"lint": "eslint . --fix",
"format": "prettier --write src/"
},
"dependencies": {
"vue": "^3.5.17",
"vue-router": "^4.5.1"
},
"devDependencies": {
"@eslint/js": "^9.29.0",
"@vitejs/plugin-vue": "^6.0.0",
"@vue/eslint-config-prettier": "^10.2.0",
"eslint": "^9.29.0",
"eslint-plugin-vue": "~10.2.0",
"globals": "^16.2.0",
"prettier": "3.5.3",
"vite": "^7.0.0",
"vite-plugin-vue-devtools": "^7.7.7"
}
}

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<script setup>
import { RouterLink, RouterView } from 'vue-router'
import HelloWorld from './components/HelloWorld.vue'
</script>
<template>
<header>
<img alt="Vue logo" class="logo" src="@/assets/logo.svg" width="125" height="125" />
<div class="wrapper">
<HelloWorld msg="You did it!" />
<nav>
<RouterLink to="/">Home</RouterLink>
<RouterLink to="/about">About</RouterLink>
</nav>
</div>
</header>
<RouterView />
</template>
<style scoped>
header {
line-height: 1.5;
max-height: 100vh;
}
.logo {
display: block;
margin: 0 auto 2rem;
}
nav {
width: 100%;
font-size: 12px;
text-align: center;
margin-top: 2rem;
}
nav a.router-link-exact-active {
color: var(--color-text);
}
nav a.router-link-exact-active:hover {
background-color: transparent;
}
nav a {
display: inline-block;
padding: 0 1rem;
border-left: 1px solid var(--color-border);
}
nav a:first-of-type {
border: 0;
}
@media (min-width: 1024px) {
header {
display: flex;
place-items: center;
padding-right: calc(var(--section-gap) / 2);
}
.logo {
margin: 0 2rem 0 0;
}
header .wrapper {
display: flex;
place-items: flex-start;
flex-wrap: wrap;
}
nav {
text-align: left;
margin-left: -1rem;
font-size: 1rem;
padding: 1rem 0;
margin-top: 1rem;
}
}
</style>

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/* color palette from <https://github.com/vuejs/theme> */
:root {
--vt-c-white: #ffffff;
--vt-c-white-soft: #f8f8f8;
--vt-c-white-mute: #f2f2f2;
--vt-c-black: #181818;
--vt-c-black-soft: #222222;
--vt-c-black-mute: #282828;
--vt-c-indigo: #2c3e50;
--vt-c-divider-light-1: rgba(60, 60, 60, 0.29);
--vt-c-divider-light-2: rgba(60, 60, 60, 0.12);
--vt-c-divider-dark-1: rgba(84, 84, 84, 0.65);
--vt-c-divider-dark-2: rgba(84, 84, 84, 0.48);
--vt-c-text-light-1: var(--vt-c-indigo);
--vt-c-text-light-2: rgba(60, 60, 60, 0.66);
--vt-c-text-dark-1: var(--vt-c-white);
--vt-c-text-dark-2: rgba(235, 235, 235, 0.64);
}
/* semantic color variables for this project */
:root {
--color-background: var(--vt-c-white);
--color-background-soft: var(--vt-c-white-soft);
--color-background-mute: var(--vt-c-white-mute);
--color-border: var(--vt-c-divider-light-2);
--color-border-hover: var(--vt-c-divider-light-1);
--color-heading: var(--vt-c-text-light-1);
--color-text: var(--vt-c-text-light-1);
--section-gap: 160px;
}
@media (prefers-color-scheme: dark) {
:root {
--color-background: var(--vt-c-black);
--color-background-soft: var(--vt-c-black-soft);
--color-background-mute: var(--vt-c-black-mute);
--color-border: var(--vt-c-divider-dark-2);
--color-border-hover: var(--vt-c-divider-dark-1);
--color-heading: var(--vt-c-text-dark-1);
--color-text: var(--vt-c-text-dark-2);
}
}
*,
*::before,
*::after {
box-sizing: border-box;
margin: 0;
font-weight: normal;
}
body {
min-height: 100vh;
color: var(--color-text);
background: var(--color-background);
transition:
color 0.5s,
background-color 0.5s;
line-height: 1.6;
font-family:
Inter,
-apple-system,
BlinkMacSystemFont,
'Segoe UI',
Roboto,
Oxygen,
Ubuntu,
Cantarell,
'Fira Sans',
'Droid Sans',
'Helvetica Neue',
sans-serif;
font-size: 15px;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}

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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 261.76 226.69"><path d="M161.096.001l-30.225 52.351L100.647.001H-.005l130.877 226.688L261.749.001z" fill="#41b883"/><path d="M161.096.001l-30.225 52.351L100.647.001H52.346l78.526 136.01L209.398.001z" fill="#34495e"/></svg>

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@import './base.css';
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
font-weight: normal;
}
a,
.green {
text-decoration: none;
color: hsla(160, 100%, 37%, 1);
transition: 0.4s;
padding: 3px;
}
@media (hover: hover) {
a:hover {
background-color: hsla(160, 100%, 37%, 0.2);
}
}
@media (min-width: 1024px) {
body {
display: flex;
place-items: center;
}
#app {
display: grid;
grid-template-columns: 1fr 1fr;
padding: 0 2rem;
}
}

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<script setup>
defineProps({
msg: {
type: String,
required: true,
},
})
</script>
<template>
<div class="greetings">
<h1 class="green">{{ msg }}</h1>
<h3>
Youve successfully created a project with
<a href="https://vite.dev/" target="_blank" rel="noopener">Vite</a> +
<a href="https://vuejs.org/" target="_blank" rel="noopener">Vue 3</a>.
</h3>
</div>
</template>
<style scoped>
h1 {
font-weight: 500;
font-size: 2.6rem;
position: relative;
top: -10px;
}
h3 {
font-size: 1.2rem;
}
.greetings h1,
.greetings h3 {
text-align: center;
}
@media (min-width: 1024px) {
.greetings h1,
.greetings h3 {
text-align: left;
}
}
</style>

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<script setup>
import WelcomeItem from './WelcomeItem.vue'
import DocumentationIcon from './icons/IconDocumentation.vue'
import ToolingIcon from './icons/IconTooling.vue'
import EcosystemIcon from './icons/IconEcosystem.vue'
import CommunityIcon from './icons/IconCommunity.vue'
import SupportIcon from './icons/IconSupport.vue'
const openReadmeInEditor = () => fetch('/__open-in-editor?file=README.md')
</script>
<template>
<WelcomeItem>
<template #icon>
<DocumentationIcon />
</template>
<template #heading>Documentation</template>
Vues
<a href="https://vuejs.org/" target="_blank" rel="noopener">official documentation</a>
provides you with all information you need to get started.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<ToolingIcon />
</template>
<template #heading>Tooling</template>
This project is served and bundled with
<a href="https://vite.dev/guide/features.html" target="_blank" rel="noopener">Vite</a>. The
recommended IDE setup is
<a href="https://code.visualstudio.com/" target="_blank" rel="noopener">VSCode</a>
+
<a href="https://github.com/vuejs/language-tools" target="_blank" rel="noopener"
>Vue - Official</a
>. If you need to test your components and web pages, check out
<a href="https://vitest.dev/" target="_blank" rel="noopener">Vitest</a>
and
<a href="https://www.cypress.io/" target="_blank" rel="noopener">Cypress</a>
/
<a href="https://playwright.dev/" target="_blank" rel="noopener">Playwright</a>.
<br />
More instructions are available in
<a href="javascript:void(0)" @click="openReadmeInEditor"><code>README.md</code></a
>.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<EcosystemIcon />
</template>
<template #heading>Ecosystem</template>
Get official tools and libraries for your project:
<a href="https://pinia.vuejs.org/" target="_blank" rel="noopener">Pinia</a>,
<a href="https://router.vuejs.org/" target="_blank" rel="noopener">Vue Router</a>,
<a href="https://test-utils.vuejs.org/" target="_blank" rel="noopener">Vue Test Utils</a>, and
<a href="https://github.com/vuejs/devtools" target="_blank" rel="noopener">Vue Dev Tools</a>. If
you need more resources, we suggest paying
<a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">Awesome Vue</a>
a visit.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<CommunityIcon />
</template>
<template #heading>Community</template>
Got stuck? Ask your question on
<a href="https://chat.vuejs.org" target="_blank" rel="noopener">Vue Land</a>
(our official Discord server), or
<a href="https://stackoverflow.com/questions/tagged/vue.js" target="_blank" rel="noopener"
>StackOverflow</a
>. You should also follow the official
<a href="https://bsky.app/profile/vuejs.org" target="_blank" rel="noopener">@vuejs.org</a>
Bluesky account or the
<a href="https://x.com/vuejs" target="_blank" rel="noopener">@vuejs</a>
X account for latest news in the Vue world.
</WelcomeItem>
<WelcomeItem>
<template #icon>
<SupportIcon />
</template>
<template #heading>Support Vue</template>
As an independent project, Vue relies on community backing for its sustainability. You can help
us by
<a href="https://vuejs.org/sponsor/" target="_blank" rel="noopener">becoming a sponsor</a>.
</WelcomeItem>
</template>

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<template>
<div class="item">
<i>
<slot name="icon"></slot>
</i>
<div class="details">
<h3>
<slot name="heading"></slot>
</h3>
<slot></slot>
</div>
</div>
</template>
<style scoped>
.item {
margin-top: 2rem;
display: flex;
position: relative;
}
.details {
flex: 1;
margin-left: 1rem;
}
i {
display: flex;
place-items: center;
place-content: center;
width: 32px;
height: 32px;
color: var(--color-text);
}
h3 {
font-size: 1.2rem;
font-weight: 500;
margin-bottom: 0.4rem;
color: var(--color-heading);
}
@media (min-width: 1024px) {
.item {
margin-top: 0;
padding: 0.4rem 0 1rem calc(var(--section-gap) / 2);
}
i {
top: calc(50% - 25px);
left: -26px;
position: absolute;
border: 1px solid var(--color-border);
background: var(--color-background);
border-radius: 8px;
width: 50px;
height: 50px;
}
.item:before {
content: ' ';
border-left: 1px solid var(--color-border);
position: absolute;
left: 0;
bottom: calc(50% + 25px);
height: calc(50% - 25px);
}
.item:after {
content: ' ';
border-left: 1px solid var(--color-border);
position: absolute;
left: 0;
top: calc(50% + 25px);
height: calc(50% - 25px);
}
.item:first-of-type:before {
display: none;
}
.item:last-of-type:after {
display: none;
}
}
</style>

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<template>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor">
<path
d="M15 4a1 1 0 1 0 0 2V4zm0 11v-1a1 1 0 0 0-1 1h1zm0 4l-.707.707A1 1 0 0 0 16 19h-1zm-4-4l.707-.707A1 1 0 0 0 11 14v1zm-4.707-1.293a1 1 0 0 0-1.414 1.414l1.414-1.414zm-.707.707l-.707-.707.707.707zM9 11v-1a1 1 0 0 0-.707.293L9 11zm-4 0h1a1 1 0 0 0-1-1v1zm0 4H4a1 1 0 0 0 1.707.707L5 15zm10-9h2V4h-2v2zm2 0a1 1 0 0 1 1 1h2a3 3 0 0 0-3-3v2zm1 1v6h2V7h-2zm0 6a1 1 0 0 1-1 1v2a3 3 0 0 0 3-3h-2zm-1 1h-2v2h2v-2zm-3 1v4h2v-4h-2zm1.707 3.293l-4-4-1.414 1.414 4 4 1.414-1.414zM11 14H7v2h4v-2zm-4 0c-.276 0-.525-.111-.707-.293l-1.414 1.414C5.42 15.663 6.172 16 7 16v-2zm-.707 1.121l3.414-3.414-1.414-1.414-3.414 3.414 1.414 1.414zM9 12h4v-2H9v2zm4 0a3 3 0 0 0 3-3h-2a1 1 0 0 1-1 1v2zm3-3V3h-2v6h2zm0-6a3 3 0 0 0-3-3v2a1 1 0 0 1 1 1h2zm-3-3H3v2h10V0zM3 0a3 3 0 0 0-3 3h2a1 1 0 0 1 1-1V0zM0 3v6h2V3H0zm0 6a3 3 0 0 0 3 3v-2a1 1 0 0 1-1-1H0zm3 3h2v-2H3v2zm1-1v4h2v-4H4zm1.707 4.707l.586-.586-1.414-1.414-.586.586 1.414 1.414z"
/>
</svg>
</template>

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<template>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="17" fill="currentColor">
<path
d="M11 2.253a1 1 0 1 0-2 0h2zm-2 13a1 1 0 1 0 2 0H9zm.447-12.167a1 1 0 1 0 1.107-1.666L9.447 3.086zM1 2.253L.447 1.42A1 1 0 0 0 0 2.253h1zm0 13H0a1 1 0 0 0 1.553.833L1 15.253zm8.447.833a1 1 0 1 0 1.107-1.666l-1.107 1.666zm0-14.666a1 1 0 1 0 1.107 1.666L9.447 1.42zM19 2.253h1a1 1 0 0 0-.447-.833L19 2.253zm0 13l-.553.833A1 1 0 0 0 20 15.253h-1zm-9.553-.833a1 1 0 1 0 1.107 1.666L9.447 14.42zM9 2.253v13h2v-13H9zm1.553-.833C9.203.523 7.42 0 5.5 0v2c1.572 0 2.961.431 3.947 1.086l1.107-1.666zM5.5 0C3.58 0 1.797.523.447 1.42l1.107 1.666C2.539 2.431 3.928 2 5.5 2V0zM0 2.253v13h2v-13H0zm1.553 13.833C2.539 15.431 3.928 15 5.5 15v-2c-1.92 0-3.703.523-5.053 1.42l1.107 1.666zM5.5 15c1.572 0 2.961.431 3.947 1.086l1.107-1.666C9.203 13.523 7.42 13 5.5 13v2zm5.053-11.914C11.539 2.431 12.928 2 14.5 2V0c-1.92 0-3.703.523-5.053 1.42l1.107 1.666zM14.5 2c1.573 0 2.961.431 3.947 1.086l1.107-1.666C18.203.523 16.421 0 14.5 0v2zm3.5.253v13h2v-13h-2zm1.553 12.167C18.203 13.523 16.421 13 14.5 13v2c1.573 0 2.961.431 3.947 1.086l1.107-1.666zM14.5 13c-1.92 0-3.703.523-5.053 1.42l1.107 1.666C11.539 15.431 12.928 15 14.5 15v-2z"
/>
</svg>
</template>

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<template>
<svg xmlns="http://www.w3.org/2000/svg" width="18" height="20" fill="currentColor">
<path
d="M11.447 8.894a1 1 0 1 0-.894-1.789l.894 1.789zm-2.894-.789a1 1 0 1 0 .894 1.789l-.894-1.789zm0 1.789a1 1 0 1 0 .894-1.789l-.894 1.789zM7.447 7.106a1 1 0 1 0-.894 1.789l.894-1.789zM10 9a1 1 0 1 0-2 0h2zm-2 2.5a1 1 0 1 0 2 0H8zm9.447-5.606a1 1 0 1 0-.894-1.789l.894 1.789zm-2.894-.789a1 1 0 1 0 .894 1.789l-.894-1.789zm2 .789a1 1 0 1 0 .894-1.789l-.894 1.789zm-1.106-2.789a1 1 0 1 0-.894 1.789l.894-1.789zM18 5a1 1 0 1 0-2 0h2zm-2 2.5a1 1 0 1 0 2 0h-2zm-5.447-4.606a1 1 0 1 0 .894-1.789l-.894 1.789zM9 1l.447-.894a1 1 0 0 0-.894 0L9 1zm-2.447.106a1 1 0 1 0 .894 1.789l-.894-1.789zm-6 3a1 1 0 1 0 .894 1.789L.553 4.106zm2.894.789a1 1 0 1 0-.894-1.789l.894 1.789zm-2-.789a1 1 0 1 0-.894 1.789l.894-1.789zm1.106 2.789a1 1 0 1 0 .894-1.789l-.894 1.789zM2 5a1 1 0 1 0-2 0h2zM0 7.5a1 1 0 1 0 2 0H0zm8.553 12.394a1 1 0 1 0 .894-1.789l-.894 1.789zm-1.106-2.789a1 1 0 1 0-.894 1.789l.894-1.789zm1.106 1a1 1 0 1 0 .894 1.789l-.894-1.789zm2.894.789a1 1 0 1 0-.894-1.789l.894 1.789zM8 19a1 1 0 1 0 2 0H8zm2-2.5a1 1 0 1 0-2 0h2zm-7.447.394a1 1 0 1 0 .894-1.789l-.894 1.789zM1 15H0a1 1 0 0 0 .553.894L1 15zm1-2.5a1 1 0 1 0-2 0h2zm12.553 2.606a1 1 0 1 0 .894 1.789l-.894-1.789zM17 15l.447.894A1 1 0 0 0 18 15h-1zm1-2.5a1 1 0 1 0-2 0h2zm-7.447-5.394l-2 1 .894 1.789 2-1-.894-1.789zm-1.106 1l-2-1-.894 1.789 2 1 .894-1.789zM8 9v2.5h2V9H8zm8.553-4.894l-2 1 .894 1.789 2-1-.894-1.789zm.894 0l-2-1-.894 1.789 2 1 .894-1.789zM16 5v2.5h2V5h-2zm-4.553-3.894l-2-1-.894 1.789 2 1 .894-1.789zm-2.894-1l-2 1 .894 1.789 2-1L8.553.106zM1.447 5.894l2-1-.894-1.789-2 1 .894 1.789zm-.894 0l2 1 .894-1.789-2-1-.894 1.789zM0 5v2.5h2V5H0zm9.447 13.106l-2-1-.894 1.789 2 1 .894-1.789zm0 1.789l2-1-.894-1.789-2 1 .894 1.789zM10 19v-2.5H8V19h2zm-6.553-3.894l-2-1-.894 1.789 2 1 .894-1.789zM2 15v-2.5H0V15h2zm13.447 1.894l2-1-.894-1.789-2 1 .894 1.789zM18 15v-2.5h-2V15h2z"
/>
</svg>
</template>

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<template>
<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="currentColor">
<path
d="M10 3.22l-.61-.6a5.5 5.5 0 0 0-7.666.105 5.5 5.5 0 0 0-.114 7.665L10 18.78l8.39-8.4a5.5 5.5 0 0 0-.114-7.665 5.5 5.5 0 0 0-7.666-.105l-.61.61z"
/>
</svg>
</template>

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<!-- This icon is from <https://github.com/Templarian/MaterialDesign>, distributed under Apache 2.0 (https://www.apache.org/licenses/LICENSE-2.0) license-->
<template>
<svg
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
aria-hidden="true"
role="img"
class="iconify iconify--mdi"
width="24"
height="24"
preserveAspectRatio="xMidYMid meet"
viewBox="0 0 24 24"
>
<path
d="M20 18v-4h-3v1h-2v-1H9v1H7v-1H4v4h16M6.33 8l-1.74 4H7v-1h2v1h6v-1h2v1h2.41l-1.74-4H6.33M9 5v1h6V5H9m12.84 7.61c.1.22.16.48.16.8V18c0 .53-.21 1-.6 1.41c-.4.4-.85.59-1.4.59H4c-.55 0-1-.19-1.4-.59C2.21 19 2 18.53 2 18v-4.59c0-.32.06-.58.16-.8L4.5 7.22C4.84 6.41 5.45 6 6.33 6H7V5c0-.55.18-1 .57-1.41C7.96 3.2 8.44 3 9 3h6c.56 0 1.04.2 1.43.59c.39.41.57.86.57 1.41v1h.67c.88 0 1.49.41 1.83 1.22l2.34 5.39z"
fill="currentColor"
></path>
</svg>
</template>

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import './assets/main.css'
import { createApp } from 'vue'
import App from './App.vue'
import router from './router'
const app = createApp(App)
app.use(router)
app.mount('#app')

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import { createRouter, createWebHistory } from 'vue-router'
import HomeView from '../views/HomeView.vue'
const router = createRouter({
history: createWebHistory(import.meta.env.BASE_URL),
routes: [
{
path: '/',
name: 'home',
component: HomeView,
},
{
path: '/about',
name: 'about',
// route level code-splitting
// this generates a separate chunk (About.[hash].js) for this route
// which is lazy-loaded when the route is visited.
component: () => import('../views/AboutView.vue'),
},
],
})
export default router

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<template>
<div class="about">
<h1>This is an about page</h1>
<!-- 响应式 -->
<!-- 视图更新: Mode -> View -->
<h2 id="name">{{ reverseName }}</h2>
<!-- 数据更新 View -> Model -->
<input v-model="hrefBindValue" type="text">
<!-- 元素属性的动态绑定 -->
<!-- href="{{ hrefBindValue }}" -->
<!-- dom set set attr -->
<!-- 编译器需要找到这个元素为这个元素设置属性 set attr -->
<!-- v-bind 语法 专门用于 元素属性的绑定 -->
<!-- v-bind -> : -->
<a :href="hrefBindValue" target="_blank"> {{ hrefBindValue }} </a>
<!-- 原生的按钮点击 -->
<!-- onclick="copyText()" -->
<!-- 编译器需要找到这个元素为这个元素添加事件 addEvent -->
<!-- v-on 语法 专门用于 元素事件的绑定, onclick="copyText()" -->
<!-- v-on -> @ -->
<button @click="copyText">复制文本</button>
<!-- class/style 都是元素的全局属性, 属性绑定的语法对他也生效 v-bind: class的值是有类型限制的 -->
<!-- class="static active" -->
<!-- { active: isActive } -->
<span :class="dynamicClass">class样式绑定</span>
<!-- style="color: red; font-size: 1em;" -->
<span :style="dynamicStyle">style样式绑定</span>
</div>
</template>
<style>
@media (min-width: 1024px) {
.about {
min-height: 100vh;
display: flex;
align-items: center;
flex-direction: column;
}
}
</style>
<!-- vue组件里面 js逻辑部份 -->
<script setup>
import { computed, nextTick, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onMounted, onUnmounted, onUpdated, ref } from 'vue';
// , reactive, ref
// {value: 'my vue3 demo'}
var name = ref('my vue3 demo')
// var name = 'my vue3 demo'
// name.value = 'xx'
// var name = reactive({ value: 'my vue3 demo' })
// name.value
// vue
// mounted
onBeforeMount(() => {
console.log('onBeforeMount')
})
onMounted(() => {
console.log('onMounted')
})
// updated
onBeforeUpdate(() => {
console.log('onBeforeUpdate')
})
onUpdated(() => {
console.log('onUpdated')
})
// deleted
onBeforeUnmount(() => {
console.log('onBeforeUnmount')
})
onUnmounted(() => {
console.log('onUnmounted')
})
//
// HTML
onMounted(() => {
// value (Setter)
name.value = "张三";
// dom()
// UI,
// : my vue3 demo
// : ?
//
console.log(document.getElementById("name").innerText);
// ?
//
nextTick(() => {
//
console.log(document.getElementById("name").innerText);
})
});
// ()
const reverseName = computed(() => name.value.split('').reverse().join(''))
// attr bind
const hrefBindValue = ref('https://www.baidu.com')
//
const copyText = () => {
alert('复制文本')
}
// , 使map使 便
// class="static active"
const dynamicClass = ref({ static: true, active: true })
dynamicClass.value.static = false
// color: red; font-size: 1em;
// stylemap
// css -
const dynamicStyle = ref({ color: 'red', fontSize: '2em' })
</script>

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<script setup>
import TheWelcome from '../components/TheWelcome.vue'
</script>
<template>
<main>
<TheWelcome />
</main>
</template>

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import { fileURLToPath, URL } from 'node:url'
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'
// https://vite.dev/config/
export default defineConfig({
plugins: [
vue(),
vueDevTools(),
],
resolve: {
alias: {
'@': fileURLToPath(new URL('./src', import.meta.url))
},
},
})