text: /*
  包含多个基于state的getter计算属性的对象
   */
  export default {
  
    totalCount(state) {
      return state.cartFoods.reduce((preTotal, food) => {
        return preTotal + food.count
      }, 0)
    },
  
    totalPrice(state) {
      return state.cartFoods.reduce((preTotal, food) => {
        return preTotal + food.count * food.price
      }, 0)
    },
  
    positiveSize(state) {
      return state.ratings.reduce((preTotal, rating) => {
        return preTotal + (rating.rateType === 0 ? 1 : 0)
      }, 0)
    }
  }