text: import Vue from 'vue'
  import Vuex from 'vuex'
  
  import mutations from './mutations'
  import actions from './actions'
  import getters from './getters'
  
  // 1 安装插件
  Vue.use(Vuex)
  
  // 2 创建Store对象
  const state = {
      cartList: []
  }
  
  const store = new Vuex.Store({
      state,
      mutations,
      actions,
      getters
  })
  
  // 3 挂载Vue实例上
  export default store