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learn vuex

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Miku-he 2022-06-06 08:02:13 +08:00
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> 1%
last 2 versions
not dead

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[*.{js,jsx,ts,tsx,vue}]
indent_style = space
indent_size = 2
trim_trailing_whitespace = true
insert_final_newline = true

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module.exports = {
root: true,
env: {
node: true
},
extends: [
'plugin:vue/essential',
'@vue/standard'
],
parserOptions: {
parser: '@babel/eslint-parser'
},
rules: {
'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off'
}
}

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.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?

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# vuex_demo1
## 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/).

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module.exports = {
presets: [
'@vue/cli-plugin-babel/preset'
]
}

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{
"compilerOptions": {
"target": "es5",
"module": "esnext",
"baseUrl": "./",
"moduleResolution": "node",
"paths": {
"@/*": [
"src/*"
]
},
"lib": [
"esnext",
"dom",
"dom.iterable",
"scripthost"
]
}
}

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{
"name": "vuex_demo1",
"version": "0.1.0",
"private": true,
"scripts": {
"serve": "vue-cli-service serve",
"build": "vue-cli-service build",
"lint": "vue-cli-service lint"
},
"dependencies": {
"core-js": "^3.8.3",
"vue": "^2.6.14",
"vuex": "^3.6.2"
},
"devDependencies": {
"@babel/core": "^7.12.16",
"@babel/eslint-parser": "^7.12.16",
"@vue/cli-plugin-babel": "~5.0.0",
"@vue/cli-plugin-eslint": "~5.0.0",
"@vue/cli-plugin-vuex": "~5.0.0",
"@vue/cli-service": "~5.0.0",
"@vue/eslint-config-standard": "^6.1.0",
"eslint": "^7.32.0",
"eslint-plugin-import": "^2.25.3",
"eslint-plugin-node": "^11.1.0",
"eslint-plugin-promise": "^5.1.0",
"eslint-plugin-vue": "^8.0.3",
"vue-template-compiler": "^2.6.14"
}
}

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<!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>

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<template>
<div>
<my-add></my-add>
<p>-----------------------------------------</p>
<my-sub></my-sub>
</div>
</template>
<script>
import add from './components/add.vue'
import sub from "./components/sub.vue"
export default {
components:{
"my-add":add,
"my-sub":sub
},
data(){
return{
}
}
}
</script>
<style scoped>
</style>

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<template>
<div>
<h3>当前最新的count值为：{{$store.state.count}}</h3>
<button @click="addcount">+1</button>
<button @click="btnhandle">+1 Async</button>
<button @click="btnhandle1">+5 Async</button>
<h3>{{$store.getters.showNum}}</h3>
</div>
</template>
<script>
export default {
data() {
return {
}
},
methods: {
addcount(){
this.$store.commit('add')
},
//异步让count自增1
btnhandle(){
//dispatch函数专门用来触发action
this.$store.dispatch('addAsync')
},
btnhandle1(){
this.$store.dispatch('addNAsync',5)
}
}
}
</script>

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<template>
<div>
<h3>当前最新的count值为：{{count}}</h3>
<button @click="subN(2)">-2</button>
<button @click="xc(10)">*10</button>
<button @click="subNAsync(10)">-10 Async</button>
<h3>{{showNum1}}</h3>
</div>
</template>
<script>
import { mapState,mapMutations,mapActions,mapGetters } from "vuex";
export default {
data(){
return{ }
},
methods:{
...mapMutations(['subN','xc']),
...mapActions(['subNAsync']),
},
computed:{
...mapState(['count']),
...mapGetters(['showNum','showNum1'])
}
}
</script>

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import Vue from 'vue'
import App from './App.vue'
import store from './store'
Vue.config.productionTip = false
new Vue({
store,
render: h => h(App)
}).$mount('#app')

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import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex)
export default new Vuex.Store({
state: {
//存放全局共享数据
count:0
},
getters: {
showNum(state){
let newcount = state.count *2
return '测试getters,更新的数量为count*2: '+ newcount
},
showNum1(state){
let newcount = state.count *3
return '测试getters,更新的数量为为count*3: '+ newcount
}
},
mutations: {
//变更store中的数据
add(state){
state.count++
},
addN(state,step){
state.count+=step
},
sub(state){
state.count--
},
subN(state,step){
state.count-=step
},
xc(state,step){
state.count=state.count * step
}
},
actions: {
addAsync(context){
setTimeout(()=>{
context.commit('add')
},1000)
},
addNAsync(context,step){
setTimeout(()=>{
context.commit('addN',step)
},1000)
},
subNAsync(context,step){
setTimeout(()=>{
context.commit('subN',step)
},1000)
}
},
modules: {
}
})

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const { defineConfig } = require('@vue/cli-service')
module.exports = defineConfig({
transpileDependencies: true,
lintOnSave: false,
})

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> 1%
last 2 versions
not dead

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.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?

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# vuex_demo2
## Project setup
```
yarn install
```
### Compiles and hot-reloads for development
```
yarn serve
```
### Compiles and minifies for production
```
yarn build
```
### Customize configuration
See [Configuration Reference](https://cli.vuejs.org/config/).

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module.exports = {
presets: [
'@vue/cli-plugin-babel/preset'
]
}

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{
"compilerOptions": {
"target": "es5",
"module": "esnext",
"baseUrl": "./",
"moduleResolution": "node",
"paths": {
"@/*": [
"src/*"
]
},
"lib": [
"esnext",
"dom",
"dom.iterable",
"scripthost"
]
}
}

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{
"name": "vuex_demo2",
"version": "0.1.0",
"private": true,
"scripts": {
"serve": "vue-cli-service serve",
"build": "vue-cli-service build"
},
"dependencies": {
"ant-design-vue": "^1.7.8",
"axios": "^0.27.2",
"core-js": "^3.8.3",
"vue": "^2.6.14",
"vuex": "^3.6.2"
},
"devDependencies": {
"@vue/cli-plugin-babel": "~5.0.0",
"@vue/cli-plugin-vuex": "~5.0.0",
"@vue/cli-service": "~5.0.0",
"vue-template-compiler": "^2.6.14"
}
}

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<!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>

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[
{
"id": 0,
"info": "Racing car sprays burning fuel into crowd.",
"done": false
},
{
"id": 1,
"info": " Japanese princess to wed commoner.",
"done": true
},
{
"id": 2,
"info": "Australian walks 100km after outback crash.",
"done": false
},
{
"id": 3,
"info": "Man charged over missing wedding girl.",
"done": true
},
{
"id": 4,
"info": "Los Angeles battles huge wildfires.",
"done": false
}
]

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<template>
<div id="app">
<a-input placeholder="请输入任务" class="my_ipt" :value="inputValue" @change="handleInputChange"/>
<a-button type="primary" @click="addItemToList">添加事项</a-button>
<a-list bordered :dataSource="infolist" class="dt_list">
<a-list-item slot="renderItem" slot-scope="item">
<!-- 复选框 -->
<a-checkbox :checked="item.done" @change="(e)=>(cbStatusChange(e,item.id))">{{ item.info }}</a-checkbox>
<!-- 删除链接 -->
<a slot="actions" @click="removeItemByID(item.id)">删除</a>
</a-list-item>
<!-- footer区域 -->
<div class="footer" slot="footer">
<span>{{unDoneLength}}条剩余</span>
<a-button-group>
<a-button :type="viewstatus==='all'?'primary':'default'" @click="changelist('all')">全部</a-button>
<a-button :type="viewstatus==='undone'?'primary':'default'" @click="changelist('undone')">未完成</a-button>
<a-button :type="viewstatus==='done'?'primary':'default'" @click="changelist('done')">已完成</a-button>
</a-button-group>
<a @click="clean">清除已完成</a>
</div>
</a-list>
</div>
</template>
<script>
import {mapState,mapGetters} from 'vuex';
export default {
name: "app",
data() {
return { };
},
created(){
this.$store.dispatch('getlist')
},
methods: {
handleInputChange(e){
// console.log(e.target.value)
this.$store.commit('setInputValue',e.target.value)
},
addItemToList(){
//trim()去除字符串头尾两边的空格
if(this.inputValue.trim().length <=0){
//弹出一个警告框
return this.$message.warning('文本框内容不能为空')
}
this.$store.commit('addItem')
},
removeItemByID(id){
// console.log(id)
this.$store.commit("removeItem",id)
},
cbStatusChange(e,id){
//监听复选框选中状态的变化
// console.log(e.target.checked,id)
const param = {
id:id,
done:e.target.checked
}
this.$store.commit('changeStatus',param)
},
//清除已完成的任务
clean(){
this.$store.commit('cleanDone')
},
//修改页面展示的列表数据
changelist(status){
// console.log(status)
this.$store.commit('changeviewstatus',status)
}
},
computed:{
...mapState(['list','inputValue','viewstatus']),
...mapGetters(['unDoneLength','infolist'])
}
};
</script>
<style scoped>
#app {
margin: 175px 450px;
padding: 10px;
}
.my_ipt {
width: 500px;
margin-right: 10px;
}
.dt_list {
width: 500px;
margin-top: 10px;
}
.footer {
display: flex;
justify-content: space-between;
align-items: center;
}
</style>

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import Vue from 'vue'
import App from './App.vue'
import store from './store'
//1、导入ant-design-vue 组件库
import Antd from 'ant-design-vue'
//2、导入组件库的样式表
import 'ant-design-vue/dist/antd.css'
Vue.config.productionTip = false
Vue.use(Antd)
new Vue({
store,
render: h => h(App)
}).$mount('#app')

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import Vue from 'vue'
import Vuex from 'vuex'
import axios from 'axios';
Vue.use(Vuex)
export default new Vuex.Store({
state: {
//所有的任务列表
list:[],
inputValue:'aaa',
nextID:5,
viewstatus:'all'
},
getters: {
//统计未完成条数的情况
unDoneLength(state){
return state.list.filter(v=>v.done === false).length
},
infolist(state){
if(state.viewstatus === 'all'){
return state.list
}
if(state.viewstatus === 'undone'){
return state.list.filter(v=>!v.done)
}
if(state.viewstatus === 'done'){
return state.list.filter(v=>v.done)
}
return state.list
}
},
mutations: {
initlist(state,list){
//接收到action中getlist函数传过来额参数后，对state中的list直接进行赋值操作
state.list = list
},
setInputValue(state,value){
//为store中的InputValue赋值
state.inputValue = value
},
addItem(state){
//添加列表项
const obj = {
id:state.nextID,
info:state.inputValue.trim(),
done:false
}
state.list.push(obj)
state.nextID++
state.inputValue = ''
},
removeItem(state,id){
//删除列表项
//根据id查找对应项的索引
const removeId = state.list.findIndex(v=>v.id === id)
if(removeId !== -1){
state.list.splice(removeId,1)
}
},
changeStatus(state,param){
//修改列表项的选中状态
const updateId = state.list.findIndex(v=>v.id === param.id)
if(updateId !== -1){
state.list[updateId].done = param.done
}
},
//清除已完成的任务
cleanDone(state){
state.list = state.list.filter(v=>v.done === false)
},
//修改视图中的关键字
changeviewstatus(state,status){
state.viewstatus = status
}
},
actions: {
getlist(context){
//发送请求请求list.json中的数据
axios.get('/list.json')
.then(res=>{
console.log(res.data)
//调用imutation中的initlist函数，并将res.date传给它
context.commit('initlist',res.data)
})
}
},
modules: {
}
})

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const { defineConfig } = require('@vue/cli-service')
module.exports = defineConfig({
transpileDependencies: true
})

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