pos_xcx/pages/index/index.js

import {
  default as storeApi
} from "../../api/store"
import {
  default as commonApi
} from "../../api/commonApi"
import {
  default as requestApi
} from "../../utils/request"
import {
  default as productApi
} from "../../api/product"

const app = getApp();

Page({
  data: {

    tabs: [],
    activeTab: 0,
    productHeight: 0,
    productList: [],
    isLocation: false,
    pageNo: 1,
    pageSum: 0

  },


  onLoad: async function () {
    const self = this
    const tokenData = await commonApi.getToken();

    if (tokenData.token && !requestApi.HEAD.token) {
      wx.setStorageSync('token', tokenData.token)
      requestApi.HEAD.token = tokenData.token
    }
    wx.getSetting({
      success: (res) => {
        let authSetting = res.authSetting
        if (authSetting['scope.userLocation']) {
          console.log('已授权地理位置')
          // 已授权
          self.getLocation();
        } else {
          // 未授权
          console.log('未授权地理位置');
          wx.getLocation({
            type: 'wgs84',
            async success(res) {
              console.log(res)
              const latitude = res.latitude
              const longitude = res.longitude
              wx.setStorageSync('lon', longitude)
              wx.setStorageSync('lat', latitude)
              const rs = await storeApi.getNearStore(latitude, longitude)
              console.log(rs.info);
              self.setData({
                locationFlag: true,
                storeInfo: rs.info
              })
            }
          })
        }
      }
    })

    // this.getProductHeight()
  },
  onShow: async function () {
    const self = this
    const tokenData = await commonApi.getToken();
    if (tokenData.token && !requestApi.HEAD.token) {
      wx.setStorageSync('token', tokenData.token)
      requestApi.HEAD.token = tokenData.token
    }
    var tabs = await this.getProductList();
    this.setData({
      tabs
    });
  },


  getProductList: async function () {
    const self = this
    let pageNo = this.data.pageNo;
    let productList = this.data.productList;
    const proList = await productApi.getProductList(pageNo, 4)
    let list = proList.list;
    list.forEach((item)=>{
      productList.push(item)
    })
    self.setData({
      productList,
      pageSum: proList.pageCount
    })
  },
  requestAll(url, data, header = {}, method) {
    const _self = this
    wx.showLoading()
    return new Promise((resolve, reject) => {
      wx.request({
        url: url,
        data: data,
        header: header,
        dataType: 'json',
        method: method,
        success: (res => {
          wx.hideLoading()
          if (res.data.code === 1) {
            //200: 服务端业务处理正常结束
            resolve(res.data)
          } else {
            if (res.data.code === 0) {
              wx.showToast({
                title: res.data.message,
              })
            }
            if (res.data.code === 901) {
              console.log(res.data)
            }
            //其它错误，提示用户错误信息
            if (this._errorHandler != null) {
              //如果有统一的异常处理，就先调用统一异常处理函数对异常进行处理
              this._errorHandler(res)
            }
            reject(res)
          }
        }),
        fail: (res => {
          if (this._errorHandler != null) {
            this._errorHandler(res)
          }
          wx.showToast({
            title: '网络异常请,稍后再试~',
          })
          reject(res)
        })
      })
    })
  },
  onTabClick(e) {
    const index = e.detail.index
    this.setData({
      activeTab: index
    })
  },

  onChange(e) {
    const index = e.detail.index
    this.setData({
      activeTab: index
    })
  },
  handleClick(e) {

  },
  getLocation: async function () {
    console.log('getlocation')
    const self = this
    wx.getLocation({
      type: 'wgs84',
      async success(res) {
        console.log(res)
        const latitude = res.latitude
        const longitude = res.longitude
        wx.setStorageSync('lon', longitude)
        wx.setStorageSync('lat', latitude)
        const speed = res.speed
        const accuracy = res.accuracy
        const rs = await storeApi.getNearStore(latitude, longitude)
        console.log(rs.info);
        self.setData({
          locationFlag: true,
          storeInfo: rs.info
        })
      },
      fail(err) {
        console.log(err)

      }
    })
  },
  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    console.log(1213131)
    let pageNo = this.data.pageNo;
    let pageSum = this.data.pageSum;
    pageNo++;
    this.setData({
      pageNo
    })
    if (this.data.pageNo <= pageSum) {
      this.getProductList()
    }
  },
  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
    console.log(111)
  },
  showProduct: async function (e) {
    const self = this
    console.log(e.currentTarget.dataset.productid)
    var productId = e.currentTarget.dataset.productid;
    if (this.data.storeInfo) {
      var shopId = this.data.storeInfo.id;
      wx.navigateTo({
        url: '../product/product?shopId=' + shopId + '&productId=' + productId,
      })
      return
    }
    wx.getLocation({
      type: 'wgs84',
      async success(res) {
        console.log(res)
        const latitude = res.latitude
        const longitude = res.longitude
        const speed = res.speed
        const accuracy = res.accuracy
        const rs = await storeApi.getNearStore(latitude, longitude)
        console.log(rs.info);
        self.setData({
          locationFlag: true,
          storeInfo: rs.info
        })
        var shopId = self.data.storeInfo.id;
        wx.navigateTo({
          url: '../product/product?shopId=' + shopId + '&productId=' + productId,
        })
      }
    })

  },
})