text: // 缓存
  import storage from 'good-storage'
  const TAB_LIST = 'tab'      // TAB 
  const ADDRESS = 'address'     // 地址列表
  const RECENTLY_BROWSE = 'browse'  // 最近浏览
  const CITY = 'city'
  export const tab = {
      getTab() {
          return storage.get(TAB_LIST,[])
      },
  
      setTab(list) {
          return storage.set(TAB_LIST,list)
      },
  }
  
  // 用户修改单条地址
  export const address = {
      getAddress() {
          return storage.get(ADDRESS,{})
      },
  
      setAddress(list) {
          return storage.set(ADDRESS,list)
      },
  
      clearAddress() {
          return storage.remove(ADDRESS)
      }
  }
  
  // 最近浏览
  export const recentlyBrowse = {
      getBrowse() {
          return storage.get(RECENTLY_BROWSE,[])
      },
  
      setBrowse(data) {
          let newData = this.getBrowse()
          if (newData.length) {
              for (let i = 0; i < newData.length; i++) {
                  if (newData[i].id == data.id) {
                      newData.splice(i,1)
                  }
              }
          }
          newData.unshift(data)
          if (newData.length > 30) {  // 最近浏览最多30条缓存
              newData.pop()
          }
          storage.set(RECENTLY_BROWSE,newData)
          return newData
      },
  
      clearBrowse() {
          return storage.remove(RECENTLY_BROWSE)
      },
  
      // 删除一条
      deleteOne(id) {
          let data = this.getBrowse()
          const index = data.findIndex((val,ind,arr) => {
              return id == val.id
          })
          data.splice(index,1)
          storage.set(RECENTLY_BROWSE,data)
          return data
      }
  }
  
  // 缓存城市
  export const city = {
      getCity() {
          return storage.get(CITY,'北京市')
      },
  
      setCity(city) {
          return storage.set(CITY,city)
      }
  }
  