Applet pull-up loading data

Request data

  async getList() {
    
    let data = {
    
      "model": "1",
      "pageSize": this.data.pageSize,
      "pageNum": this.data.pageNum
    }
    let res = await subCertificate(data)
    if (res.resultStates !== 0) {
    
      return Dialog.alert({
    
        title: ' Tips ',
        message: ' No relevant data of the vehicle ',
      }).then(() => {
    });
    }
    let list = res.content.taskVoList
    if (this.data.pageNum > 1) {
    
      list = this.data.list.concat(res.content.taskVoList)
    }
    this.setData({
    
      list: list,
      total: res.content.total,
      vin: res.content.vin
    })
  },

Pull up to load data

onReachBottom: function () {
    
    let num = Math.ceil(this.data.total / 5)// Rounding up 
    var self = this;
    if (this.data.pageNum >= num) {
    
      Dialog.alert({
    
        title: ' Tips ',
        message: ' No more data ',
      }).then(() => {
    });
    } else {
    
      var pageNumber = self.data.pageNum + 1;
      self.setData({
    
        pageNum: pageNumber,
      })
      this.getList()
    }
  },