reader/pages/childClassify/index.js

// pages/childClassify/index.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    currentClass: 0,
    scrollTop: 0
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    console.log(options.id);
  },
  setClass({
    currentTarget
  }) {
    this.setData({
      scrollTop: 0,
      currentClass: currentTarget.dataset.id
    })
  },
  onReachBottom() {
    console.log('11');
  },

})