export const hotInit =  (that) => {
    that.setData({
      hotData: {
        nav: [],
        hotIndex: 0,
        hotList: [],
        left: ''
      }
    })
    //点击更改数据
    that.hotChoice = ({ currentTarget }) => {
      that.data.hotData.hotInd = currentTarget.dataset.index;
      if (that.data.hotData.nav.length > 3 && currentTarget.dataset.index == 2) {
        that.data.hotData.left = currentTarget.dataset.index * 225;
      }
      if (that.data.hotData.nav.length > 3 && currentTarget.dataset.index == 1) {
        that.data.hotData.left = '';
      }
      that.setData({
        hotData: that.data.hotData
      })
      //数据请求
      that.httpList(currentTarget.dataset.index + 1)
    }
    //滑动更改数据
    that.lookSlide = ({ detail }) => {
      that.data.hotData.hotInd = detail.current;
      if (that.data.hotData.nav.length > 3 && detail.current == 2) {
        that.data.hotData.left = detail.current * 225;
      }
      if (that.data.hotData.nav.length > 3 && detail.current == 1) {
        that.data.hotData.left = '';
      }
      // console.log(detail.current);
      that.setData({
        hotData: that.data.hotData
      })
      that.httpList(detail.current + 1)
    }
    //跳转到详情页
    that.details = ({ currentTarget }) => {
      const id = currentTarget.dataset.id;
      wx.navigateTo({
        url: '/pages/details/details?id=' + id 
      })
    }
    //请求数据封装
    that.httpList = (ind) => {
      httpRequestApi.getCourse({
        categoryId: ind
      }).success((res)=>{
        console.log('课程列表', res);
        that.data.hotData.hotList = res.data.data.list;
        that.setData({
            hotData: that.data.hotData
        })
      })
    }

    //初始数据
    that.httpList(1)
  }