onPullingDown () {

      this.isNoMore = false

      this.from = 1

      this.getList(1)

    },

    onPullingUp () {

      if (this.isNoMore) {

        this.$refs.indexList.forceUpdate()

        return

      }

      this.getList()

    },

    getList (isUpdate) {

      axios.get('http://api.zphtown.com/getGoldList.php', {

        params: {

          from: this.from,

          size: this.size

        }

      })

      .then(res => {

        const { list } = res.data

        const len = list.length

        let arr = []

        list.map(v => {

          let time = parseTime(v.createTime, '{y}年{m}月')

          let index = arr.findIndex(v2 => v2.name === time)

          if (index === -1) {

            arr.push({

              name: time,

              items: []

            })

          }

          arr[index > -1 ? index : arr.length - 1].items.push(v)

        })

        if (isUpdate) {

          if (len) {

            this.list = arr

          } else {

            this.$refs.indexList.forceUpdate()

          }

        } else {

          arr.map(v => {

            let index = this.list.findIndex(v2 => v2.name === v.name)

            if (index > -1) {

              this.list[index].items.push(...(v.items))

            } else {

              this.list.push(v)

            }

          })

          if (len) {

            if (len === this.size) {

              setTimeout(() => {

                this.$refs.indexList.forceUpdate(true)

              }, 30)

            } else {

              console.log('nodata')

              this.isNoMore = true

              setTimeout(() => {

                this.$refs.indexList.forceUpdate(true, true)

              }, 30)

            }

          } else {

            this.$refs.indexList.forceUpdate()

            this.isNoMore = true

          }

          this.from++

        }

      })

    }

  }