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吴光慧11.1学习笔记

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### setup 概述
`setup`是`Vue3`中一个新的配置项,值是一个函数,组件中所用到的:数据、方法、计算属性、监视......等等,均配置在`setup`中。
特点如下:
- `setup`函数返回的对象中的内容,可直接在模板中使用。
- `setup`中访问`this`是`undefined`。
- `setup`函数会在`beforeCreate`之前调用,它是“领先”所有钩子执行的。
```vue
<template>
<div class="person">
<h2>姓名:{{name}}</h2>
<h2>年龄:{{age}}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">年龄+1</button>
<button @click="showTel">点我查看联系方式</button>
</div>
</template>
<script lang="ts">
export default {
name:'Person',
setup(){
// 数据,原来写在data中(注意:此时的name、age、tel数据都不是响应式数据)
let name = '张三'
let age = 18
let tel = '13888888888'
// 方法,原来写在methods中
function changeName(){
name = 'zhang-san' //注意:此时这么修改name页面是不变化的
console.log(name)
}
function changeAge(){
age += 1 //注意:此时这么修改age页面是不变化的
console.log(age)
}
function showTel(){
alert(tel)
}
// 返回一个对象,对象中的内容,模板中可以直接使用
return {name,age,tel,changeName,changeAge,showTel}
}
}
</script>
```
### setup 的返回值
- 若返回一个**对象**:则对象中的:属性、方法等,在模板中均可以直接使用**(重点关注)。**
- 若返回一个**函数**:则可以自定义渲染内容,代码如下:
```jsx
setup(){
return ()=> '你好啊!'
}
```
### setup 与 Options API 的关系
- `Vue2` 的配置(`data`、`methos`......)中**可以访问到** `setup`中的属性、方法。
- 但在`setup`中**不能访问到**`Vue2`的配置(`data`、`methos`......)。
- 如果与`Vue2`冲突,则`setup`优先。
### setup 语法糖
`setup`函数有一个语法糖,这个语法糖,可以让我们把`setup`独立出去,代码如下:
```vue
<template>
<div class="person">
<h2>姓名:{{name}}</h2>
<h2>年龄:{{age}}</h2>
<button @click="changName">修改名字</button>
<button @click="changAge">年龄+1</button>
<button @click="showTel">点我查看联系方式</button>
</div>
</template>
<script lang="ts">
export default {
name:'Person',
}
</script>
<!-- 下面的写法是setup语法糖 -->
<script setup lang="ts">
console.log(this) //undefined
// 数据(注意:此时的name、age、tel都不是响应式数据)
let name = '张三'
let age = 18
let tel = '13888888888'
// 方法
function changName(){
name = '李四'//注意:此时这么修改name页面是不变化的
}
function changAge(){
console.log(age)
age += 1 //注意:此时这么修改age页面是不变化的
}
function showTel(){
alert(tel)
}
</script>
```
扩展:上述代码,还需要编写一个不写`setup`的`script`标签,去指定组件名字,比较麻烦,我们可以借助`vite`中的插件简化
1. 第一步:`npm i vite-plugin-vue-setup-extend -D`
2. 第二步:`vite.config.ts`
```jsx
import { defineConfig } from 'vite'
import VueSetupExtend from 'vite-plugin-vue-setup-extend'
export default defineConfig({
plugins: [ VueSetupExtend() ]
})
```
3. 第三步:`<script setup lang="ts" name="Person">`
## 【ref 创建:基本类型的响应式数据】
- **作用:**定义响应式变量。
- **语法:**`let xxx = ref(初始值)`
- **返回值:**一个`RefImpl`的实例对象,简称`ref对象`或`ref`,`ref`对象的`value`**属性是响应式的**
- **注意点:**
- `JS`中操作数据需要:`xxx.value`,但模板中不需要`.value`,直接使用即可。
- 对于`let name = ref('张三')`来说,`name`不是响应式的,`name.value`是响应式的。
```vue
<template>
<div class="person">
<h2>姓名:{{name}}</h2>
<h2>年龄:{{age}}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">年龄+1</button>
<button @click="showTel">点我查看联系方式</button>
</div>
</template>
<script setup lang="ts" name="Person">
import {ref} from 'vue'
// name和age是一个RefImpl的实例对象,简称ref对象,它们的value属性是响应式的。
let name = ref('张三')
let age = ref(18)
// tel就是一个普通的字符串,不是响应式的
let tel = '13888888888'
function changeName(){
// JS中操作ref对象时候需要.value
name.value = '李四'
console.log(name.value)
// 注意:name不是响应式的,name.value是响应式的,所以如下代码并不会引起页面的更新。
// name = ref('zhang-san')
}
function changeAge(){
// JS中操作ref对象时候需要.value
age.value += 1
console.log(age.value)
}
function showTel(){
alert(tel)
}
</script>
```
## 【reactive 创建:对象类型的响应式数据】
- **作用:**定义一个**响应式对象**(基本类型不要用它,要用`ref`,否则报错)
- **语法:**`let 响应式对象= reactive(源对象)`
- **返回值:**一个`Proxy`的实例对象,简称:响应式对象。
- **注意点:**`reactive`定义的响应式数据是“深层次”的。
```vue
<template>
<div class="person">
<h2>汽车信息:一台{{ car.brand }}汽车,价值{{ car.price }}万</h2>
<h2>游戏列表:</h2>
<ul>
<li v-for="g in games" :key="g.id">{{ g.name }}</li>
</ul>
<h2>测试:{{obj.a.b.c.d}}</h2>
<button @click="changeCarPrice">修改汽车价格</button>
<button @click="changeFirstGame">修改第一游戏</button>
<button @click="test">测试</button>
</div>
</template>
<script lang="ts" setup name="Person">
import { reactive } from 'vue'
// 数据
let car = reactive({ brand: '奔驰', price: 100 })
let games = reactive([
{ id: 'ahsgdyfa01', name: '英雄联盟' },
{ id: 'ahsgdyfa02', name: '王者荣耀' },
{ id: 'ahsgdyfa03', name: '原神' }
])
let obj = reactive({
a:{
b:{
c:{
d:666
}
}
}
})
function changeCarPrice() {
car.price += 10
}
function changeFirstGame() {
games[0].name = '流星蝴蝶剑'
}
function test(){
obj.a.b.c.d = 999
}
</script>
```
## 【ref 创建:对象类型的响应式数据】
- 其实`ref`接收的数据可以是:**基本类型**、**对象类型**。
- 若`ref`接收的是对象类型,内部其实也是调用了`reactive`函数。
```vue
<template>
<div class="person">
<h2>汽车信息:一台{{ car.brand }}汽车,价值{{ car.price }}万</h2>
<h2>游戏列表:</h2>
<ul>
<li v-for="g in games" :key="g.id">{{ g.name }}</li>
</ul>
<h2>测试:{{obj.a.b.c.d}}</h2>
<button @click="changeCarPrice">修改汽车价格</button>
<button @click="changeFirstGame">修改第一游戏</button>
<button @click="test">测试</button>
</div>
</template>
<script lang="ts" setup name="Person">
import { ref } from 'vue'
// 数据
let car = ref({ brand: '奔驰', price: 100 })
let games = ref([
{ id: 'ahsgdyfa01', name: '英雄联盟' },
{ id: 'ahsgdyfa02', name: '王者荣耀' },
{ id: 'ahsgdyfa03', name: '原神' }
])
let obj = ref({
a:{
b:{
c:{
d:666
}
}
}
})
console.log(car)
function changeCarPrice() {
car.value.price += 10
}
function changeFirstGame() {
games.value[0].name = '流星蝴蝶剑'
}
function test(){
obj.value.a.b.c.d = 999
}
</script>
```
## 【ref 对比 reactive】
宏观角度看:
> 1. `ref`用来定义:**基本类型数据**、**对象类型数据**;
>
> 2. `reactive`用来定义:**对象类型数据**。
- 区别:
> 1. `ref`创建的变量必须使用`.value`(可以使用`volar`插件自动添加`.value`)。
>
> <img src="C:/Users/Administrator/Desktop/资料/images/自动补充value.png" alt="自动补充value" style="zoom:50%;border-radius:20px" />
>
> 2. `reactive`重新分配一个新对象,会**失去**响应式(可以使用`Object.assign`去整体替换)。
- 使用原则:
> 1. 若需要一个基本类型的响应式数据,必须使用`ref`。
> 2. 若需要一个响应式对象,层级不深,`ref`、`reactive`都可以。
> 3. 若需要一个响应式对象,且层级较深,推荐使用`reactive`。
## 【toRefs 与 toRef】
- 作用:将一个响应式对象中的每一个属性,转换为`ref`对象。
- 备注:`toRefs`与`toRef`功能一致,但`toRefs`可以批量转换。
- 语法如下:
```vue
<template>
<div class="person">
<h2>姓名:{{person.name}}</h2>
<h2>年龄:{{person.age}}</h2>
<h2>性别:{{person.gender}}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">修改年龄</button>
<button @click="changeGender">修改性别</button>
</div>
</template>
<script lang="ts" setup name="Person">
import {ref,reactive,toRefs,toRef} from 'vue'
// 数据
let person = reactive({name:'张三', age:18, gender:'男'})
// 通过toRefs将person对象中的n个属性批量取出,且依然保持响应式的能力
let {name,gender} = toRefs(person)
// 通过toRef将person对象中的gender属性取出,且依然保持响应式的能力
let age = toRef(person,'age')
// 方法
function changeName(){
name.value += '~'
}
function changeAge(){
age.value += 1
}
function changeGender(){
gender.value = '女'
}
</script>
```
## 【computed】
作用:根据已有数据计算出新数据(和`Vue2`中的`computed`作用一致)。
<img src="C:/Users/Administrator/Desktop/资料/images/computed.gif" style="zoom:20%;" />
```vue
<template>
<div class="person">
姓:<input type="text" v-model="firstName"> <br>
名:<input type="text" v-model="lastName"> <br>
全名:<span>{{fullName}}</span> <br>
<button @click="changeFullName">全名改为:li-si</button>
</div>
</template>
<script setup lang="ts" name="App">
import {ref,computed} from 'vue'
let firstName = ref('zhang')
let lastName = ref('san')
// 计算属性——只读取,不修改
/* let fullName = computed(()=>{
return firstName.value + '-' + lastName.value
}) */
// 计算属性——既读取又修改
let fullName = computed({
// 读取
get(){
return firstName.value + '-' + lastName.value
},
// 修改
set(val){
console.log('有人修改了fullName',val)
firstName.value = val.split('-')[0]
lastName.value = val.split('-')[1]
}
})
function changeFullName(){
fullName.value = 'li-si'
}
</script>
```
## 【watch】
- 作用:监视数据的变化(和`Vue2`中的`watch`作用一致)
- 特点:`Vue3`中的`watch`只能监视以下**四种数据**:
> 1. `ref`定义的数据。
> 2. `reactive`定义的数据。
> 3. 函数返回一个值(`getter`函数)。
> 4. 一个包含上述内容的数组。
我们在`Vue3`中使用`watch`的时候,通常会遇到以下几种情况:
### * 情况一
监视`ref`定义的【基本类型】数据:直接写数据名即可,监视的是其`value`值的改变。
```vue
<template>
<div class="person">
<h1>情况一:监视【ref】定义的【基本类型】数据</h1>
<h2>当前求和为:{{sum}}</h2>
<button @click="changeSum">点我sum+1</button>
</div>
</template>
<script lang="ts" setup name="Person">
import {ref,watch} from 'vue'
// 数据
let sum = ref(0)
// 方法
function changeSum(){
sum.value += 1
}
// 监视,情况一:监视【ref】定义的【基本类型】数据
const stopWatch = watch(sum,(newValue,oldValue)=>{
console.log('sum变化了',newValue,oldValue)
if(newValue >= 10){
stopWatch()
}
})
</script>
```
### * 情况二
监视`ref`定义的【对象类型】数据:直接写数据名,监视的是对象的【地址值】,若想监视对象内部的数据,要手动开启深度监视。
> 注意:
>
> * 若修改的是`ref`定义的对象中的属性,`newValue` 和 `oldValue` 都是新值,因为它们是同一个对象。
>
> * 若修改整个`ref`定义的对象,`newValue` 是新值, `oldValue` 是旧值,因为不是同一个对象了。
```vue
<template>
<div class="person">
<h1>情况二:监视【ref】定义的【对象类型】数据</h1>
<h2>姓名:{{ person.name }}</h2>
<h2>年龄:{{ person.age }}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">修改年龄</button>
<button @click="changePerson">修改整个人</button>
</div>
</template>
<script lang="ts" setup name="Person">
import {ref,watch} from 'vue'
// 数据
let person = ref({
name:'张三',
age:18
})
// 方法
function changeName(){
person.value.name += '~'
}
function changeAge(){
person.value.age += 1
}
function changePerson(){
person.value = {name:'李四',age:90}
}
/*
监视,情况一:监视【ref】定义的【对象类型】数据,监视的是对象的地址值,若想监视对象内部属性的变化,需要手动开启深度监视
watch的第一个参数是:被监视的数据
watch的第二个参数是:监视的回调
watch的第三个参数是:配置对象(deep、immediate等等.....)
*/
watch(person,(newValue,oldValue)=>{
console.log('person变化了',newValue,oldValue)
},{deep:true})
</script>
```
### * 情况三
监视`reactive`定义的【对象类型】数据,且默认开启了深度监视。
```vue
<template>
<div class="person">
<h1>情况三:监视【reactive】定义的【对象类型】数据</h1>
<h2>姓名:{{ person.name }}</h2>
<h2>年龄:{{ person.age }}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">修改年龄</button>
<button @click="changePerson">修改整个人</button>
<hr>
<h2>测试:{{obj.a.b.c}}</h2>
<button @click="test">修改obj.a.b.c</button>
</div>
</template>
<script lang="ts" setup name="Person">
import {reactive,watch} from 'vue'
// 数据
let person = reactive({
name:'张三',
age:18
})
let obj = reactive({
a:{
b:{
c:666
}
}
})
// 方法
function changeName(){
person.name += '~'
}
function changeAge(){
person.age += 1
}
function changePerson(){
Object.assign(person,{name:'李四',age:80})
}
function test(){
obj.a.b.c = 888
}
// 监视,情况三:监视【reactive】定义的【对象类型】数据,且默认是开启深度监视的
watch(person,(newValue,oldValue)=>{
console.log('person变化了',newValue,oldValue)
})
watch(obj,(newValue,oldValue)=>{
console.log('Obj变化了',newValue,oldValue)
})
</script>
```
### * 情况四
监视`ref`或`reactive`定义的【对象类型】数据中的**某个属性**,注意点如下:
1. 若该属性值**不是**【对象类型】,需要写成函数形式。
2. 若该属性值是**依然**是【对象类型】,可直接编,也可写成函数,建议写成函数。
结论:监视的要是对象里的属性,那么最好写函数式,注意点:若是对象监视的是地址值,需要关注对象内部,需要手动开启深度监视。
```vue
<template>
<div class="person">
<h1>情况四:监视【ref】或【reactive】定义的【对象类型】数据中的某个属性</h1>
<h2>姓名:{{ person.name }}</h2>
<h2>年龄:{{ person.age }}</h2>
<h2>汽车:{{ person.car.c1 }}、{{ person.car.c2 }}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">修改年龄</button>
<button @click="changeC1">修改第一台车</button>
<button @click="changeC2">修改第二台车</button>
<button @click="changeCar">修改整个车</button>
</div>
</template>
<script lang="ts" setup name="Person">
import {reactive,watch} from 'vue'
// 数据
let person = reactive({
name:'张三',
age:18,
car:{
c1:'奔驰',
c2:'宝马'
}
})
// 方法
function changeName(){
person.name += '~'
}
function changeAge(){
person.age += 1
}
function changeC1(){
person.car.c1 = '奥迪'
}
function changeC2(){
person.car.c2 = '大众'
}
function changeCar(){
person.car = {c1:'雅迪',c2:'爱玛'}
}
// 监视,情况四:监视响应式对象中的某个属性,且该属性是基本类型的,要写成函数式
/* watch(()=> person.name,(newValue,oldValue)=>{
console.log('person.name变化了',newValue,oldValue)
}) */
// 监视,情况四:监视响应式对象中的某个属性,且该属性是对象类型的,可以直接写,也能写函数,更推荐写函数
watch(()=>person.car,(newValue,oldValue)=>{
console.log('person.car变化了',newValue,oldValue)
},{deep:true})
</script>
```
### * 情况五
监视上述的多个数据
```vue
<template>
<div class="person">
<h1>情况五:监视上述的多个数据</h1>
<h2>姓名:{{ person.name }}</h2>
<h2>年龄:{{ person.age }}</h2>
<h2>汽车:{{ person.car.c1 }}、{{ person.car.c2 }}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">修改年龄</button>
<button @click="changeC1">修改第一台车</button>
<button @click="changeC2">修改第二台车</button>
<button @click="changeCar">修改整个车</button>
</div>
</template>
<script lang="ts" setup name="Person">
import {reactive,watch} from 'vue'
// 数据
let person = reactive({
name:'张三',
age:18,
car:{
c1:'奔驰',
c2:'宝马'
}
})
// 方法
function changeName(){
person.name += '~'
}
function changeAge(){
person.age += 1
}
function changeC1(){
person.car.c1 = '奥迪'
}
function changeC2(){
person.car.c2 = '大众'
}
function changeCar(){
person.car = {c1:'雅迪',c2:'爱玛'}
}
// 监视,情况五:监视上述的多个数据
watch([()=>person.name,person.car],(newValue,oldValue)=>{
console.log('person.car变化了',newValue,oldValue)
},{deep:true})
</script>
```

BIN
吴光慧学习笔记/11.1/AI探牛相关功能.docx

36
吴光慧学习笔记/11.1/hello_vue3/.gitignore

@ -0,0 +1,36 @@
# 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
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?
*.tsbuildinfo
.eslintcache
# Cypress
/cypress/videos/
/cypress/screenshots/
# Vitest
__screenshots__/

3
吴光慧学习笔记/11.1/hello_vue3/.vscode/extensions.json

@ -0,0 +1,3 @@
{
"recommendations": ["Vue.volar"]
}

42
吴光慧学习笔记/11.1/hello_vue3/README.md

@ -0,0 +1,42 @@
# 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
```

1
吴光慧学习笔记/11.1/hello_vue3/env.d.ts

@ -0,0 +1 @@
/// <reference types="vite/client" />

13
吴光慧学习笔记/11.1/hello_vue3/index.html

@ -0,0 +1,13 @@
<!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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30
吴光慧学习笔记/11.1/hello_vue3/package.json

@ -0,0 +1,30 @@
{
"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": "^22.18.11",
"@vitejs/plugin-vue": "^6.0.1",
"@vue/tsconfig": "^0.8.1",
"npm-run-all2": "^8.0.4",
"typescript": "~5.9.0",
"vite": "^7.1.11",
"vite-plugin-vue-devtools": "^8.0.3",
"vue-tsc": "^3.1.1"
}
}

BIN
吴光慧学习笔记/11.1/hello_vue3/public/favicon.ico

33
吴光慧学习笔记/11.1/hello_vue3/src/App.vue

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<template>
<div class="person">
<h2>姓名{{name}}</h2>
<h2>年龄{{age}}</h2>
<button @click="changeName">修改名字</button>
<button @click="changeAge">年龄+1</button>
<button @click="showTel">点我查看联系方式</button>
</div>
</template>
<script lang="ts">
export default {
name:'App',
data() {
return {
name:'张三',
age:18,
tel:'13888888888'
}
},
methods:{
changeName(){
this.name = 'zhang-san'
},
changeAge(){
this.age += 1
},
showTel(){
alert(this.tel)
}
},
}
</script>

86
吴光慧学习笔记/11.1/hello_vue3/src/assets/base.css

@ -0,0 +1,86 @@
/* 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;
}

1
吴光慧学习笔记/11.1/hello_vue3/src/assets/logo.svg

@ -0,0 +1 @@
<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>

35
吴光慧学习笔记/11.1/hello_vue3/src/assets/main.css

@ -0,0 +1,35 @@
@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;
}
}

41
吴光慧学习笔记/11.1/hello_vue3/src/components/HelloWorld.vue

@ -0,0 +1,41 @@
<script setup lang="ts">
defineProps<{
msg: string
}>()
</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>

0
吴光慧学习笔记/11.1/hello_vue3/src/components/Preson.vue

95
吴光慧学习笔记/11.1/hello_vue3/src/components/TheWelcome.vue

@ -0,0 +1,95 @@
<script setup lang="ts">
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>

87
吴光慧学习笔记/11.1/hello_vue3/src/components/WelcomeItem.vue

@ -0,0 +1,87 @@
<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>

6
吴光慧学习笔记/11.1/hello_vue3/src/main.ts

@ -0,0 +1,6 @@
import './assets/main.css'
import { createApp } from 'vue'
import App from './App.vue'
createApp(App).mount('#app')

12
吴光慧学习笔记/11.1/hello_vue3/tsconfig.app.json

@ -0,0 +1,12 @@
{
"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/*"]
}
}
}

11
吴光慧学习笔记/11.1/hello_vue3/tsconfig.json

@ -0,0 +1,11 @@
{
"files": [],
"references": [
{
"path": "./tsconfig.node.json"
},
{
"path": "./tsconfig.app.json"
}
]
}

19
吴光慧学习笔记/11.1/hello_vue3/tsconfig.node.json

@ -0,0 +1,19 @@
{
"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"]
}
}

18
吴光慧学习笔记/11.1/hello_vue3/vite.config.ts

@ -0,0 +1,18 @@
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))
},
},
})

23
吴光慧学习笔记/11.1/study/.gitignore

@ -0,0 +1,23 @@
.DS_Store
node_modules
/dist
# local env files
.env.local
.env.*.local
# Log files
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
# Editor directories and files
.idea
.vscode
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?

24
吴光慧学习笔记/11.1/study/README.md

@ -0,0 +1,24 @@
# study
## Project setup
```
npm install
```
### Compiles and hot-reloads for development
```
npm run serve
```
### Compiles and minifies for production
```
npm run build
```
### Lints and fixes files
```
npm run lint
```
### Customize configuration
See [Configuration Reference](https://cli.vuejs.org/config/).

5
吴光慧学习笔记/11.1/study/babel.config.js

@ -0,0 +1,5 @@
module.exports = {
presets: [
'@vue/cli-plugin-babel/preset'
]
}

13
吴光慧学习笔记/11.1/study/index.html

@ -0,0 +1,13 @@
<!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.js"></script>
</body>
</html>

13
吴光慧学习笔记/11.1/study/jsconfig.json

@ -0,0 +1,13 @@
{
"compilerOptions": {
"target": "es5",
"module": "esnext",
"baseUrl": ".",
"moduleResolution": "node",
"paths": {
"@/*": ["src/*"]
},
"lib": ["esnext", "dom", "dom.iterable", "scripthost"]
},
"include": ["src/**/*.js", "src/**/*.vue"]
}

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46
吴光慧学习笔记/11.1/study/package.json

@ -0,0 +1,46 @@
{
"name": "study",
"version": "0.1.0",
"private": true,
"scripts": {
"serve": "vue-cli-service serve",
"build": "vue-cli-service build",
"lint": "vue-cli-service lint",
"dev": "vite"
},
"dependencies": {
"core-js": "^3.8.3",
"vue": "^3.2.13"
},
"devDependencies": {
"@babel/core": "^7.12.16",
"@babel/eslint-parser": "^7.12.16",
"@vitejs/plugin-vue": "^6.0.1",
"@vue/cli-plugin-babel": "~5.0.0",
"@vue/cli-plugin-eslint": "~5.0.0",
"@vue/cli-service": "~5.0.0",
"eslint": "^7.32.0",
"eslint-plugin-vue": "^8.0.3",
"vite": "^7.1.12"
},
"eslintConfig": {
"root": true,
"env": {
"node": true
},
"extends": [
"plugin:vue/vue3-essential",
"eslint:recommended"
],
"parserOptions": {
"parser": "@babel/eslint-parser"
},
"rules": {}
},
"browserslist": [
"> 1%",
"last 2 versions",
"not dead",
"not ie 11"
]
}

BIN
吴光慧学习笔记/11.1/study/public/favicon.ico

17
吴光慧学习笔记/11.1/study/public/index.html

@ -0,0 +1,17 @@
<!DOCTYPE html>
<html lang="">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<link rel="icon" href="<%= BASE_URL %>favicon.ico">
<title><%= htmlWebpackPlugin.options.title %></title>
</head>
<body>
<noscript>
<strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled. Please enable it to continue.</strong>
</noscript>
<div id="app"></div>
<!-- built files will be auto injected -->
</body>
</html>

BIN
吴光慧学习笔记/11.1/study/src/assets/logo.png

After

Width: 200  |  Height: 200  |  Size: 6.7 KiB

58
吴光慧学习笔记/11.1/study/src/components/HelloWorld.vue

@ -0,0 +1,58 @@
<template>
<div class="hello">
<h1>{{ msg }}</h1>
<p>
For a guide and recipes on how to configure / customize this project,<br>
check out the
<a href="https://cli.vuejs.org" target="_blank" rel="noopener">vue-cli documentation</a>.
</p>
<h3>Installed CLI Plugins</h3>
<ul>
<li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-babel" target="_blank" rel="noopener">babel</a></li>
<li><a href="https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-eslint" target="_blank" rel="noopener">eslint</a></li>
</ul>
<h3>Essential Links</h3>
<ul>
<li><a href="https://vuejs.org" target="_blank" rel="noopener">Core Docs</a></li>
<li><a href="https://forum.vuejs.org" target="_blank" rel="noopener">Forum</a></li>
<li><a href="https://chat.vuejs.org" target="_blank" rel="noopener">Community Chat</a></li>
<li><a href="https://twitter.com/vuejs" target="_blank" rel="noopener">Twitter</a></li>
<li><a href="https://news.vuejs.org" target="_blank" rel="noopener">News</a></li>
</ul>
<h3>Ecosystem</h3>
<ul>
<li><a href="https://router.vuejs.org" target="_blank" rel="noopener">vue-router</a></li>
<li><a href="https://vuex.vuejs.org" target="_blank" rel="noopener">vuex</a></li>
<li><a href="https://github.com/vuejs/vue-devtools#vue-devtools" target="_blank" rel="noopener">vue-devtools</a></li>
<li><a href="https://vue-loader.vuejs.org" target="_blank" rel="noopener">vue-loader</a></li>
<li><a href="https://github.com/vuejs/awesome-vue" target="_blank" rel="noopener">awesome-vue</a></li>
</ul>
</div>
</template>
<script>
export default {
name: 'HelloWorld',
props: {
msg: String
}
}
</script>
<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>
h3 {
margin: 40px 0 0;
}
ul {
list-style-type: none;
padding: 0;
}
li {
display: inline-block;
margin: 0 10px;
}
a {
color: #42b983;
}
</style>

4
吴光慧学习笔记/11.1/study/src/main.js

@ -0,0 +1,4 @@
import { createApp } from 'vue'
import study from './view/study.vue'
createApp(study).mount('#study')

39
吴光慧学习笔记/11.1/study/src/view/study.vue

@ -0,0 +1,39 @@
<template>
<div class="person">
<input type="text" v-model="firstName"> <br>
<input type="text" v-model="lastName"> <br>
全名<span>{{fullName}}</span> <br>
<button @click="changeFullName">全名改为li-si</button>
</div>
</template>
<script setup lang="ts" name="App">
import {ref,computed} from 'vue'
let firstName = ref('zhang')
let lastName = ref('san')
//
/* let fullName = computed(()=>{
return firstName.value + '-' + lastName.value
}) */
//
let fullName = computed({
//
get(){
return firstName.value + '-' + lastName.value
},
//
set(val){
console.log('有人修改了fullName',val)
firstName.value = val.split('-')[0]
lastName.value = val.split('-')[1]
}
})
function changeFullName(){
fullName.value = 'li-si'
}
</script>

6
吴光慧学习笔记/11.1/study/vite.config.js

@ -0,0 +1,6 @@
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
export default defineConfig({
plugins: [vue()]
})

6
吴光慧学习笔记/11.1/study/vue.config.js

@ -0,0 +1,6 @@
import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
export default defineConfig({
plugins: [vue()]
})

5
吴光慧学习笔记/11.1/ts/helloworld.js

@ -0,0 +1,5 @@
function greeter(person) {
return 'Hello, ' + person;
}
var user = 'Yee';
console.log(greeter(user));

27
吴光慧学习笔记/11.1/ts/helloworld.ts

@ -0,0 +1,27 @@
function greeter1 (person: string) {
return 'Hello, ' + person
}
let userr = 'Yee'
console.log(greeter1(userr))
//person:string 类型注释
/**
使 firstName lastName
interface Person {
firstName: string
lastName: string
}
function greeter (person: Person) {
return 'Hello, ' + person.firstName + ' ' + person.lastName
}
let user = {
firstName: 'Yee',
lastName: 'Huang'
}
console.log(greeter(user))
*/

23
吴光慧学习笔记/11.1/ts/user.js

@ -0,0 +1,23 @@
// 基于类的面向对象编程示例
// 定义一个User类,用于表示用户信息
var User = /** @class */ (function () {
// 类的构造函数,用于初始化实例
// 参数:firstName(名)、lastName(姓)
function User(firstName, lastName) {
this.firstName = firstName; // 初始化名
this.lastName = lastName; // 初始化姓
this.fullName = firstName + ' ' + lastName; // 拼接全名
}
return User;
}());
// 定义greeter函数,用于向符合Person接口结构的对象打招呼
// 参数:person(符合Person接口的对象)
function greeter2(person) {
// 返回拼接好的问候语
return 'Hello, ' + person.firstName + ' ' + person.lastName;
}
// 创建User类的实例,传入名"Yee"和姓"Huang"
var user2 = new User('Yee', 'Huang');
// 调用greeter函数并打印结果
// 虽然传入的是User实例,但User类包含firstName和lastName属性,符合Person接口要求,因此可以正常使用
console.log(greeter2(user2)); // 输出:Hello, Yee Huang

37
吴光慧学习笔记/11.1/ts/user.ts

@ -0,0 +1,37 @@
// 基于类的面向对象编程示例
// 定义一个User类,用于表示用户信息
class User {
// 声明类的属性
fullName: string; // 用户的全名
firstName: string; // 用户的名
lastName: string; // 用户的姓
// 类的构造函数,用于初始化实例
// 参数:firstName(名)、lastName(姓)
constructor(firstName: string, lastName: string) {
this.firstName = firstName; // 初始化名
this.lastName = lastName; // 初始化姓
this.fullName = firstName + ' ' + lastName; // 拼接全名
}
}
// 定义Person接口,规定了包含firstName和lastName属性的对象结构
interface Person {
firstName: string; // 名
lastName: string; // 姓
}
// 定义greeter函数,用于向符合Person接口结构的对象打招呼
// 参数:person(符合Person接口的对象)
function greeter2(person: Person) {
// 返回拼接好的问候语
return 'Hello, ' + person.firstName + ' ' + person.lastName;
}
// 创建User类的实例,传入名"Yee"和姓"Huang"
let user2 = new User('Yee', 'Huang');
// 调用greeter函数并打印结果
// 虽然传入的是User实例,但User类包含firstName和lastName属性,符合Person接口要求,因此可以正常使用
console.log(greeter2(user2)); // 输出:Hello, Yee Huang
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