How to install vuex in vue.js

How to install vuex with vue.js: first enter the project path, enter the relevant code in the project terminal; then display the vuex plug-in in the project's package json file; then create a new store js in the project src directory; finally Just apply vuex in [main.js].

The operating environment of this tutorial: Windows 7 system, Vue version 2.9.6. This method is suitable for all brands of computers.

vue.js How to install vuex:

1. Installation:

After entering the project path, enter: npm in the project terminal install vuex --save or cnpm install vuex --save

2. After the installation is completed, the vuex plug-in will be displayed in the project's package.json file, as follows:

  "dependencies": {
    "vue": "^2.5.2",
    "vue-router": "^3.0.1",
    "vuex": "^3.3.0"
  },

3. Create a new store.js in the project src directory. The file content is as follows:

import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex);
export default new Vuex.Store({
    //所有的数据都放在state中
    state:{},
    //操作数据，唯一的通道是mutations
    mutations:{},
    //actions,可以来做异步操作，然后提交给mutations，而后再对state(数据)进行操作
    actions:{}
})

4. Apply vuex in main.js:

Import store, and then new Used in Vue, the code is as follows:

// The Vue build version to load with the `import` command
// (runtime-only or standalone) has been set in webpack.base.conf with an alias.
import Vue from 'vue'
import App from './App'
import router from './router'
import store from './store'   //导入store
Vue.config.productionTip = false
/* eslint-disable no-new */
new Vue({
  el: '#app',
  router,
  store,   //在new Vue中使用
  components: { App },
  template: &#39;<App/>&#39;
})

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