nd_wxapp/pages/search/index.js

const app = getApp()

Page({
  data: {
    tableData: [],
    keyword:'',
    from: 0,
    size: 10
  },

  onLoad: function(options) {
    this.setData({
      spinShow: true
    });
    this.search(true)
  },
  onPullDownRefresh() {
    this.setData({ spinShow: true });
    if (!this.loading) {
      this.setData({ from:0,tableData:[]});
      this.search(true)
    }
  },
  onReachBottom() {
    if (!this.loading && this.data.from > -1) {
      this.search(false)
    }
  },
  onInputEvent(e){
    let {value} = e.detail;
    if( this.data.keyword == value) return;
    this.setData({keyword: value, from:0})
    this.search(   )
  },
  search: function() {
    let {from, size, keyword, tableData} = this.data;
    let _this = this
    let param = {from, size, keyword}
    app.formPost('User.search', param ).then(res => {
      _this.setData({spinShow: false});
      wx.stopPullDownRefresh()
      if (res.code === 200) {
        const re = res.data
        if( from== 0) tableData = [];
        _this.setData({
          from: re.from,
          tableData: tableData.concat(re.list)
        });
      }
    })
  }
})