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尚硅谷toRefs和toRef学习示例

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2025-10-02 10:16:25 +08:00
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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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{
"recommendations": ["Vue.volar"]
}

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# hello_vue3
This template should help get you started developing with Vue 3 in Vite.
## Recommended IDE Setup
[VS Code](https://code.visualstudio.com/) + [Vue (Official)](https://marketplace.visualstudio.com/items?itemName=Vue.volar) (and disable Vetur).
## Recommended Browser Setup
- Chromium-based browsers (Chrome, Edge, Brave, etc.):
- [Vue.js devtools](https://chromewebstore.google.com/detail/vuejs-devtools/nhdogjmejiglipccpnnnanhbledajbpd)
- [Turn on Custom Object Formatter in Chrome DevTools](http://bit.ly/object-formatters)
- Firefox:
- [Vue.js devtools](https://addons.mozilla.org/en-US/firefox/addon/vue-js-devtools/)
- [Turn on Custom Object Formatter in Firefox DevTools](https://fxdx.dev/firefox-devtools-custom-object-formatters/)
## Type Support for `.vue` Imports in TS
TypeScript cannot handle type information for `.vue` imports by default, so we replace the `tsc` CLI with `vue-tsc` for type checking. In editors, we need [Volar](https://marketplace.visualstudio.com/items?itemName=Vue.volar) to make the TypeScript language service aware of `.vue` types.
## 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
```
### Type-Check, Compile and Minify for Production
```sh
npm run build
```

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/// <reference types="vite/client" />

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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>Vite App</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.ts"></script>
</body>
</html>

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{
"name": "hello_vue3",
"version": "0.0.0",
"private": true,
"type": "module",
"engines": {
"node": "^20.19.0 || >=22.12.0"
},
"scripts": {
"dev": "vite",
"build": "run-p type-check \"build-only {@}\" --",
"preview": "vite preview",
"build-only": "vite build",
"type-check": "vue-tsc --build"
},
"dependencies": {
"vue": "^3.5.22"
},
"devDependencies": {
"@tsconfig/node22": "^22.0.2",
"@types/node": "^22.18.6",
"@vitejs/plugin-vue": "^6.0.1",
"@vue/tsconfig": "^0.8.1",
"npm-run-all2": "^8.0.4",
"typescript": "~5.9.0",
"vite": "^7.1.7",
"vite-plugin-vue-devtools": "^8.0.2",
"vue-tsc": "^3.1.0"
}
}

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<template>
<div class="app">
<h1>Hello World,你好呀!</h1>
<Person/>
</div>
</template>
<script setup lang="ts">
import Person from './components/Person.vue';
</script>
<style scoped>
</style>

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<template>
<div class="person">
<h3>一辆{{brand}}汽车的价格是:{{ jg }}万元!</h3>
<button @click="changePrice">加价10万元</button>
<h3>我的游戏:</h3>
<ul>
<li v-for="game in games" :key="game.id">{{game.name}}</li>
</ul>
<button @click="changeGame">添加新游戏</button>
</div>
</template>
<script setup lang="ts">
import { reactive, ref, toRefs, toRef } from 'vue';
let car = reactive({
brand: '奔驰',
price: 100,
color: '黑色',
})
let { brand, price, color } = toRefs(car);
let jg = toRef(car, 'price');
console.log(brand, price, color);
let games = ref([
{ name: '游戏1', id: 10 },
{ name: '游戏2', id: 20 },
{ name: '游戏3', id: 30 }
]);
function changePrice() {
price.value += 10;
console.log(price.value);
}
function changeGame() {
games.value = [{ name: '游戏1', id: 10 },
{ name: '游戏2asdasd', id: 20 },
{ name: '游戏3', id: 30 }];
// Object.assign(games, [{ name: '游戏1saddsa222', id: 10 },
// { name: '游戏2asdas', id: 20 },
// { name: '游戏3', id: 30 }]);
}
</script>
<style scoped>
.person{
background-color: #a7b8bb;
padding: 20px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
width: 80%;
margin: 0 auto;
}
button{
background-color: #313633;
color: #15d11f;
margin: 0 10px;
}
</style>

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import { createApp } from "vue";
import App from "./App.vue";
createApp(App).mount("#app");

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{
"extends": "@vue/tsconfig/tsconfig.dom.json",
"include": ["env.d.ts", "src/**/*", "src/**/*.vue"],
"exclude": ["src/**/__tests__/*"],
"compilerOptions": {
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.app.tsbuildinfo",
"paths": {
"@/*": ["./src/*"]
}
}
}

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{
"files": [],
"references": [
{
"path": "./tsconfig.node.json"
},
{
"path": "./tsconfig.app.json"
}
]
}

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{
"extends": "@tsconfig/node22/tsconfig.json",
"include": [
"vite.config.*",
"vitest.config.*",
"cypress.config.*",
"nightwatch.conf.*",
"playwright.config.*",
"eslint.config.*"
],
"compilerOptions": {
"noEmit": true,
"tsBuildInfoFile": "./node_modules/.tmp/tsconfig.node.tsbuildinfo",
"module": "ESNext",
"moduleResolution": "Bundler",
"types": ["node"]
}
}

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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))
},
},
})