锟斤拷锟斤拷位锟矫ｏ拷锟斤拷页 > 锟斤拷锟斤拷锟教筹拷 > 锟教筹拷 > 锟斤拷锟缴伙拷锟斤拷Vue3 锟斤拷锟酵拷欧锟绞斤拷锟斤拷

锟斤拷锟缴伙拷锟斤拷Vue3 锟斤拷锟酵拷欧锟绞斤拷锟斤拷

锟斤拷源锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷|锟斤拷时锟戒：2024-06-26 11:49:20 |锟斤拷锟侥讹拷锟斤拷71锟斤拷|锟斤拷锟斤拷签锟斤拷 v VUE 通锟斤拷 E3 锟斤拷 |锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷锟酵拷锟斤拷锟絍ue锟叫非筹拷锟斤拷要锟侥硷拷锟斤拷之一锟斤拷锟斤拷锟侥筹拷锟斤拷锟杰癸拷使锟斤拷锟角非筹拷锟斤拷锟斤拷锟斤拷诓锟酵拷锟斤拷之锟斤拷锟斤拷锟斤拷锟斤拷莸拇锟斤拷荩锟斤拷源锏斤拷锟斤拷萁锟斤拷锟斤拷锟叫э拷锟斤拷锟斤拷锟斤拷裕锟窖帮拷锟斤拷通锟脚硷拷锟斤拷锟角非筹拷锟叫憋拷要锟侥ｏ拷锟斤拷锟侥斤拷锟杰斤拷Vue锟叫癸拷锟斤拷锟斤拷锟酵拷诺陌锟斤拷址锟绞斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷Vue锟侥癸拷锟斤拷锟叫革拷锟接碉拷锟斤拷应锟街ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷胁锟斤拷浴锟斤拷苫锟侥地凤拷锟斤拷锟斤拷迎锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷

前锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷胁锟斤拷浴锟斤拷苫锟侥地凤拷锟斤拷锟斤拷迎锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷

一锟斤拷什么锟斤拷锟斤拷锟酵拷锟�

锟节匡拷始之前锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷什么锟斤拷锟斤拷锟酵拷牛锟� 锟斤拷锟酵拷锟� 锟斤拷锟皆诧拷锟轿拷锟斤拷锟斤拷锟斤拷郑锟�

锟斤拷锟�
通锟斤拷

锟斤拷知锟斤拷锟斤拷锟斤拷锟� vue 锟斤拷强锟斤拷墓锟斤拷锟街伙拷锟� vue 锟斤拷每一锟斤拷 .vue 锟侥硷拷锟斤拷锟角讹拷锟斤拷锟斤拷锟斤拷之为一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿碉拷锟斤拷锟斤拷锟角讹拷UI锟结构锟侥革拷锟矫★拷

通锟斤拷指锟斤拷锟角凤拷锟斤拷锟斤拷通锟斤拷某锟斤拷媒锟斤拷锟斤拷某锟街革拷式锟斤拷锟斤拷锟斤拷锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟皆达到某锟斤拷目锟侥★拷锟斤拷锟斤拷锟较ｏ拷锟轿猴拷锟斤拷息锟侥斤拷通锟斤拷锟斤拷通锟脚★拷锟斤拷 锟斤拷锟斤拷锟酵拷锟� 锟斤拷指锟斤拷锟�( .vue )通锟斤拷某锟街凤拷式锟斤拷锟斤拷锟斤拷锟斤拷息锟皆达到某锟斤拷目锟侥ｏ拷锟劫革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷 UI 锟斤拷锟斤拷械锟� table 锟斤拷锟斤拷锟斤拷锟斤拷芑锟斤拷锟� table 锟斤拷锟斤拷写锟斤拷锟侥承╋拷锟斤拷荩锟斤拷锟斤拷锟斤拷锟绞撅拷锟轿筹拷锟斤拷锟斤拷锟街拷锟斤拷通锟斤拷

锟斤拷锟斤拷为什么要锟斤拷锟斤拷锟斤拷锟酵拷锟�

通锟脚的憋拷锟斤拷锟斤拷锟斤拷息同锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截碉拷vue锟叫ｏ拷每锟斤拷锟斤拷锟街拷锟侥讹拷锟叫讹拷锟皆碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟睫凤拷锟斤拷锟斤拷锟侥碉拷实锟绞匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角筹拷锟斤拷锟斤拷要锟斤拷锟斤拷锟街拷涔诧拷锟斤拷锟斤拷荩锟斤拷锟揭诧拷锟斤拷锟斤拷通锟脚碉拷目锟斤拷要锟斤拷锟斤拷锟角伙拷锟斤拷之锟斤拷锟杰斤拷锟斤拷通讯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷锟斤拷锟捷硷拷慕锟斤拷锟斤拷锟斤拷锟斤拷某锟街癸拷锟杰的匡拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟酵拷诺姆锟斤拷锟�

锟斤拷锟斤拷锟酵拷诺姆锟斤拷锟斤拷锟皆分筹拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟街拷锟斤拷通锟斤拷
锟街碉拷锟斤拷锟街拷锟斤拷通锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟斤拷通锟斤拷
锟角癸拷系锟斤拷锟斤拷锟街拷锟斤拷通锟斤拷

锟斤拷锟斤拷之锟斤拷墓锟较碉拷锟斤拷锟酵硷拷锟�

【干货】Vue3 组件通信方式详解

目前锟筋常锟斤拷锟斤拷 props/$emit 锟斤拷 vuex/pinia 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 provide/inject 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟矫ｏ拷
实锟斤拷锟斤拷目锟叫ｏ拷锟津单革拷锟斤拷锟斤拷锟斤拷锟斤拷莶锟斤拷锟� props/$emit 锟斤拷锟芥及全锟街癸拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟� vuex/pinia 锟斤拷洗娲拷锟斤拷锟� localStorage/sessionStorage 使锟矫★拷

【干货】Vue3 组件通信方式详解

锟侥★拷Vue3 锟侥帮拷锟斤拷锟斤拷锟酵拷欧锟绞�

props
$emit
expose / ref
$attrs
v-model
provide / inject
Vuex
mitt

锟藉、Vue3 锟斤拷锟斤拷通锟脚凤拷式锟矫凤拷锟斤拷锟斤拷

1. props

锟斤拷 props 锟斤拷锟斤拷锟捷革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷一锟斤拷setup() 锟斤拷锟斤拷写锟斤拷

// Parent.vue 锟斤拷锟斤拷



// Child.vue 锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷setup 锟斤法锟斤拷

// Parent.vue 锟斤拷锟斤拷



// Child.vue 锟斤拷锟斤拷

注锟解：

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷setup()锟斤拷锟斤拷锟斤拷锟絪etup 锟斤法锟斤拷写锟斤拷锟侥伙拷锟斤拷锟角斤拷锟秸诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟� data 锟斤拷锟斤拷锟皆ｏ拷只锟杰斤拷锟秸碉拷锟斤拷锟斤拷锟斤拷锟� setup 锟斤拷锟斤拷锟斤传锟斤拷锟斤拷锟皆★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷setup 锟斤法锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟絪etup()锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷通锟斤拷 props 锟斤拷锟秸碉拷 data 锟斤拷 setup 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷裕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷 setup 锟斤拷锟斤拷眨锟酵拷锟街伙拷芙锟斤拷盏锟斤拷锟斤拷锟斤拷锟斤拷 setup 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷裕锟斤拷锟斤拷詹锟斤拷锟� data 锟斤拷锟斤拷锟斤拷锟�

锟劫凤拷也说锟剿ｏ拷锟斤拷然锟斤拷锟斤拷 3锟斤拷锟酵诧拷要写 2 锟剿ｏ拷锟斤拷锟皆诧拷锟狡硷拷setup()锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷樱锟揭伙拷锟街伙拷锟斤拷锓拷堑锟叫达拷锟斤拷锟�

2. $emit

// Child.vue 锟缴凤拷



// Parent.vue 锟斤拷应

3. expose / ref

锟斤拷锟斤拷锟斤拷锟饺★拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆伙拷锟竭碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�

// Child.vue


// Parent.vue  注锟斤拷 ref="comp"

4. attrs

attrs 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� class 锟斤拷 style 锟斤拷锟斤拷姆锟� props 锟斤拷锟皆硷拷锟斤拷 锟斤拷

// Parent.vue 锟斤拷锟斤拷



// Child.vue 锟斤拷锟斤拷

5. v-model

锟斤拷锟斤拷支锟街讹拷锟斤拷锟斤拷锟剿拷锟斤拷

// Parent.vue



// Child.vue

6. provide / inject

provide / inject 为锟斤拷锟斤拷注锟斤拷

provide 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷要锟结供锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷伙拷

inject 锟斤拷锟斤拷锟轿何猴拷锟斤拷锟斤拷锟叫斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较碉拷锟斤拷锟捷ｏ拷锟斤拷锟斤拷锟斤拷锟角讹拷锥锟斤拷疃硷拷锟斤拷锟街憋拷锟斤拷锟斤拷锟斤拷锟�

// Parent.vue


// Child.vue

7. Vuex

// store/index.js
import { createStore } from "vuex"
export default createStore({
    state:{ count: 1 },
    getters:{
        getCount: state => state.count
    },
    mutations:{
        add(state){
            state.count++
        }
    }
})

// main.js
import { createApp } from "vue"
import App from "./App.vue"
import store from "./store"
createApp(App).use(store).mount("#app")

// Page.vue
// 锟斤拷锟斤拷一 直锟斤拷使锟斤拷


// 锟斤拷锟斤拷锟斤拷 锟斤拷取

8. mitt

Vue3 锟斤拷没锟斤拷锟斤拷 EventBus 锟斤拷锟斤拷锟酵拷牛锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟侥凤拷锟斤拷 mitt.js锟斤拷原锟斤拷锟斤拷锟斤拷 EventBus锟斤拷

锟饺帮拷装 npm i mitt -S

然锟斤拷锟斤拷锟斤拷前锟斤拷装 bus 一锟斤拷锟斤拷锟斤拷装一锟斤拷

mitt.js
import mitt from 'mitt'
const mitt = mitt()
export default mitt

然锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟酵拷诺锟绞癸拷锟�

// 锟斤拷锟� A


// 锟斤拷锟� B

锟斤拷锟斤拷锟轿匡拷锟斤拷锟斤拷

vue.js锟斤拷 https://cn.vuejs.org/

vuex锟斤拷什么锟斤拷 https://vuex.vuejs.org/zh/

锟斤拷锟斤拷锟斤拷要使锟斤拷Git锟斤拷锟斤拷锟斤拷篇锟斤拷锟铰就癸拷锟剿ｏ拷 http://www.guosisoft.com/article/detail/410508049313861

锟斤拷业锟斤拷锟街伙拷转锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� http://www.guosisoft.com/article/detail/408745545576517

Vue2.x 锟斤拷锟酵拷欧锟绞斤拷锟� http://www.guosisoft.com/article/detail/411234710110277

锟斤拷锟斤拷姆锟斤拷锟教程★拷Vue锟斤拷目锟斤拷锟皆硷拷锟缴ｏ拷 http://www.guosisoft.com/article/detail/430312211521605

Vue 前锟剿匡拷锟斤拷锟脚队凤拷锟街革拷希锟绞凤拷锟斤拷锟饺拷锟斤拷锟� http://www.guosisoft.com/article/detail/415491255230533

锟斤拷思RDIF锟酵达拷锟斤拷锟斤拷倏锟斤拷锟狡教拷锟街э拷锟絭ue2锟斤拷vue3锟斤拷锟斤拷 http://www.guosisoft.com/article/detail/557095625134149

锟竭★拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷亩锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷支锟斤拷一锟铰吧ｏ拷锟斤拷锟矫恳伙拷锟斤拷锟斤拷蕖锟斤拷锟斤拷锟斤拷掖锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 ^_

锟斤拷锟洁技锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷:

http://www.guosisoft.com/article

http://www.rdiframework.net/article

锟斤拷锟揭伙拷锟酵拷锟斤拷锟斤拷徒锟斤拷锟窖�!!

小锟斤拷锟狡硷拷锟侥讹拷

锟斤拷页

锟斤拷锟斤拷戏

锟斤拷戏锟斤拷

锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟叫帮拷

锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷戏锟斤拷锟斤拷

锟斤拷锟斤拷专锟斤拷

锟斤拷锟斤拷频锟斤拷

小锟斤拷锟狡硷拷

锟斤拷色锟斤拷目

锟斤拷锟斤拷锟斤拷锟斤拷

一锟斤拷999

锟斤拷锟截吃硷拷

沙锟斤拷锟斤拷戏

BT锟斤拷锟斤拷

锟斤拷锟斤拷只锟�

锟斤拷锟剿伙拷锟斤拷

锟斤拷锟缴伙拷锟斤拷Vue3 锟斤拷锟酵拷欧锟绞斤拷锟斤拷

前锟斤拷

一锟斤拷什么锟斤拷锟斤拷锟酵拷锟�

锟斤拷锟斤拷为什么要锟斤拷锟斤拷锟斤拷锟酵拷锟�

锟斤拷锟斤拷锟斤拷锟酵拷诺姆锟斤拷锟�

锟侥★拷Vue3 锟侥帮拷锟斤拷锟斤拷锟酵拷欧锟绞�

锟藉、Vue3 锟斤拷锟斤拷通锟脚凤拷式锟矫凤拷锟斤拷锟斤拷

1. props

2. $emit

3. expose / ref

4. attrs

5. v-model

6. provide / inject

7. Vuex

8. mitt

锟斤拷锟斤拷锟轿匡拷锟斤拷锟斤拷

锟竭★拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥斤拷为锟斤拷锟斤拷锟斤拷息锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟睫观碉拷锟街な碉拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟斤拷锟狡碉拷锟斤拷锟�

锟斤拷锟斤拷

同锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷讯

锟斤拷锟斤拷

锟斤拷锟斤拷

锟斤拷锟斤拷