hlm_pl_mall_h5/store/modules/homecart.js

import PersistedState from '../PersistedState'
// initial state
const state = {
  total_amount:PersistedState.getStorage('homecart','total_amount', 0), // 总量
  total_price:PersistedState.getStorage('homecart','total_price', 0.00), // 总价
  cartGoods: PersistedState.getStorage('homecart','cartGoods', []) // 购物车中选中的商品
}
// mutations
const mutations = {
  // 计算购物车总量和总价
  calculationAmount (state, amount) {
    state.total_amount = amount
    PersistedState.setStorage('homecart',state)
  },
  calculationPrice (state, price) {
    state.total_price = price
    PersistedState.setStorage('homecart',state)
  },
  saveSelectedCartGoods (state, payload) {
    state.cartGoods = payload.cartGoods
    PersistedState.setStorage('homecart',state)
  },
  clearSelectedCartGoods (state) {
    state.cartGoods = []
    PersistedState.setStorage('homecart',state)
  }
}

export default {
  state,
  mutations
}