分类

import { requestCategory, } from '../../http/api/categoryApi'
import { requestGooodsList } from '../../http/api/goodsApi'
Page({

  /**
   * 页面的初始数据
   */
  data: {
    menu: [],
    goodsList:[],
    curIndex: 0,

    activeId: null,
    pageData:1,
    pageSize:10,
    hasLoadData:true,
    itemCateData:{}
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.setNavigationBarTitle({
      title: '分类',
    })
  },
  switchCategory(e) {
    let itemData= e.currentTarget.dataset.bean;
    this.setData({
      goodsList:[],
      pageData:1,
      curIndex: e.currentTarget.dataset.index?e.currentTarget.dataset.index:0,
      itemCateData:itemData
    })
    this.getGoodsData(itemData)
  },
  getGoodsData(itemData){
    let that =this;
    let postdata= {
      shopId: 1008600001,
      pageNum:this.data.pageData,
      pageSize: this.data.pageSize,
      categoryId:itemData.id
    }
    requestGooodsList(postdata,).then((res) => {
      let resultData= res.data.list.map((item) => {
        return {
          ...item,
          gallery:item.gallery.split(','),
        };
      });
      if(resultData.length < that.data.pageSize){
        this.setData({
            hasLoadData:false,
        })
      }else{
        this.setData({
          hasLoadData:true,
      })
      }
      
      this.setData({
        goodsList: this.data.goodsList.concat(resultData),
      })
      
    })
  },
  productDetails(event) {
    let delID= event.currentTarget.dataset.bean.id;
    wx.navigateTo({
      url: `/pages/detail/detail?delID=${delID}`,
    });

  },
 
    /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    let that =this;
    if(this.data.hasLoadData==true){
      this.setData({
        pageData: that.data.pageData + 1
      })
      this.getGoodsData(this.data.itemCateData)
    }
    
  },
  

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },
  loadCategory(){
    let postdata={
      shopId: 1008600001,
    }
    requestCategory(postdata).then((res) => {
      this.getGoodsData(res.data[0])
      this.setData({
        menu:res.data,
        itemCateData:res.data[0]
      })
    })
  },
  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    this.loadCategory()
    const tabBar = this.getTabBar()
    tabBar.setData({
        TabBarActive: 1
    })
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {
  
  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {
  
  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
  
  },


  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
  
  }
})