Getters

export const useMainStore = defineStore('main', {
  // 用于存储数据
  state: () => {
    return {
      count: 0,
      arr: [1, 2, 3]
    }
  },
  // 类似计算属性
  getters: {
    moreCount(state) {
      return state.count + 10
    }
  },
  // 封装业务逻辑
  actions: {}
})