manicure/pages/detailContent/detailContent.js

// pages/detailContent/detailContent.js
const utils = require('../../utils/serve')

Page({

  /**
   * 页面的初始数据
   */
  data: {
    searchData: [
    ],
    isItem: 3,
    gramNum: null,
    paginate: null,
    rightStatus: true,
    leftStatus: true,
    hLoading: true,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {

    let obj = JSON.parse(options.obj) 
   
    this.initOn(obj)
  },
  skipSearch: function () {
    wx.navigateTo({
      url: '/pages/pageSearch/pageSearch',
    })
  },


  getImg( ev){
   
    wx.previewImage({
      current: '', 
      urls: [ev.currentTarget.dataset.img]  
    })
  },


  // 右滑翻页
  onbolwerRight: function () {
    console.log(this.data.searchData[this.data.searchData.length - 1])
    this.setData({
      hLoading: false
    })


    if (this.data.rightStatus) {
      utils.http({
        url: '/manicureApi/Index/finishedProduct',
        method: 'GET',
        data: {
          id: this.data.searchData[this.data.searchData.length - 1].id,
          type: 'right'
        }
      }).then(res => {
        if (res.data.lists.length === 0) {
          wx.showToast({
            title: '已经到底啦~',
            duration: 2000,
            icon: 'none',
            success: () => {
              this.setData({
                hLoading: true
              })
            }
          })
          return
        }

        if (res.data.lists.length >= 1 && res.data.lists.length === 20) {
          this.data.rightStatus = true
        } else {
          this.data.rightStatus = false
        }

        this.setData({
          searchData: this.data.searchData.concat(res.data.lists),
          hLoading: true
        })
      })
    } else {
      wx.showToast({
        title: '已经到低啦~',
        duration: 2000,
        icon: 'none',
        success:()=>{
           this.setData({
            hLoading: true
           })
        }
      })
    }
  },


  // 左翻页
  onbolwerLeft: function () {

    this.setData({
      hLoading: false
    })

    if (this.data.leftStatus) {
      utils.http({
        url: '/manicureApi/Index/finishedProduct',
        method: 'GET',
        data: {
          id: this.data.searchData[0].id,
          type: 'left'
        }
      }).then(res => {
        if (res.data.lists.length >= 1 && res.data.lists.length === 20) {
          this.data.leftStatus = true
        } else {
          this.data.leftStatus = false
        }



        this.setData({
          searchData: res.data.lists.concat(this.data.searchData),
          hLoading: true
        })
      })
    } else {
      wx.showToast({
        title: '已经到顶了~',
        duration: 2000,
        icon: 'none',
        success:()=>{
          this.setData({
            hLoading: true
          })
        }
      })
    }
  },


  onSwiperItem: function (ev) {
    this.setData({
      isItem: ev.detail.current
    })
  },



  initOn: function (params) {

    // eventChannel.on('acceptDataFromOpenerPage', (data, list, paginate, finData) => {

      let isItem = 0;
      for (let i = 0; i < params.searchData.length; i++) {
        if ( params.searchData[i].id === params.param.id) {
          isItem = i
          break
        }
      }
      if (isItem <= 1) {
        utils.http({
          url: '/manicureApi/Index/finishedProduct',
          method: 'GET',
          data: {
            id:  params.searchData[0].id,
            type: 'left'
          }
        }).then(res => {
          if (res.data.lists.length >= 1 && res.data.lists.length === 20) {
            this.data.leftStatus = true
          } else {
            this.data.leftStatus = false
          }
          this.setData({
            searchData: res.data.lists.concat( params.searchData ),
            isItem: isItem + res.data.lists.length
          }, () => {
            this.data.paginate = params.paginate
            this.data.finData = params.finData
          })
        })
      } else {
        this.setData({
          searchData:  params.searchData,
          isItem: isItem
        }, () => {
          this.data.paginate = params.paginate
          this.data.finData = params.finData
        })
      }
    // })
  },

  setSearchColor: function (ev) {

    this.setData({
      isItem: ev.currentTarget.dataset.index
    })
  },


  skipInquire: function () {
    console.log(this.data.searchData)
    utils.http({
      url: '/manicureApi/Index/productDetail',
      method: 'GET',
      data: {
        id: this.data.searchData[this.data.isItem].id,
        num: this.data.gramNum,
      }
    }).then(res => {
      console.log(res)
      let data = JSON.stringify(res.data)
      wx.navigateTo({
        url: `/pages/pageInquire/pageInquire?data=${data}`,
      })
    })
  },


  onInputGram: function (ev) {
    this.data.gramNum = ev.detail.value
  },

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

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 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 () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

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

  }
})