vue3——如何安装vuex

安装配置

1.?? ?执行安装命令: npm install vuex
2.?? ?在src目录下新建一个目录store,并在该目录下创建index.js
3.?? ?在index.js中写入以下内容

?

import { createStore } from 'vuex

    export default createStore({
    state: {

    },
    getters: {

    mutations: {

    },
    actions: {

    }
}）

4.?? ?在main.js中引入store

import { createApp } from 'vue'
import App from '. /App.vue'
import router from './router'
import store from './store'
let app = createApp(App)
app. use(store) . use(router) . mount(#app)