twong329/view/xcx/pages/user_spread_code/index.js

// pages/distribution-posters/index.js

import { spreadBanner, userShare } from '../../api/user.js'

const app = getApp()

Page({
  /**
   * 页面的初始数据
   */
  data: {
    parameter: {
      navbar: '1',
      return: '1',
      title: '推广海报'
    },
    imgUrls: [],
    indicatorDots: false,
    circular: false,
    autoplay: false,
    interval: 3000,
    duration: 500,
    swiperIndex: 0,
    spreadList: [],
    userInfo: {},
    poster: ''
  },

  onLoadFun: function (e) {
    this.setData({
      userInfo: e.detail
    })
    this.userSpreadBannerList()
  },

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

  bindchange(e) {
    var spreadList = this.data.spreadList
    this.setData({
      swiperIndex: e.detail.current,
      poster: spreadList[e.detail.current].poster
    })
  },

  /**
   * 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 () {
    this.data.isClone && this.userSpreadBannerList()
  },

  savePosterPath: function () {
    var that = this
    wx.downloadFile({
      url: that.data.poster,
      success(resFile) {
        if (resFile.statusCode === 200) {
          wx.getSetting({
            success(res) {
              if (!res.authSetting['scope.writePhotosAlbum']) {
                wx.authorize({
                  scope: 'scope.writePhotosAlbum',
                  success() {
                    wx.saveImageToPhotosAlbum({
                      filePath: resFile.tempFilePath,
                      success: function (res) {
                        return app.Tips({
                          title: '保存成功'
                        })
                      },
                      fail: function (res) {
                        return app.Tips({
                          title: res.errMsg
                        })
                      },
                      complete: function (res) {}
                    })
                  },
                  fail() {
                    wx.showModal({
                      title: '您已拒绝获取相册权限',
                      content: '是否进入权限管理，调整授权？',
                      success(res) {
                        if (res.confirm) {
                          wx.openSetting({
                            success: function (res) {
                              console.log(res.authSetting)
                            }
                          })
                        } else if (res.cancel) {
                          return app.Tips({
                            title: '已取消！'
                          })
                        }
                      }
                    })
                  }
                })
              } else {
                wx.saveImageToPhotosAlbum({
                  filePath: resFile.tempFilePath,
                  success: function (res) {
                    return app.Tips({
                      title: '保存成功'
                    })
                  },
                  fail: function (res) {
                    return app.Tips({
                      title: res.errMsg
                    })
                  },
                  complete: function (res) {}
                })
              }
            },
            fail(res) {}
          })
        } else {
          return app.Tips({
            title: resFile.errMsg
          })
        }
      },
      fail(res) {
        return app.Tips({
          title: res.errMsg
        })
      }
    })
  },
  userSpreadBannerList: function () {
    var that = this
    wx.showLoading({
      title: '获取中',
      mask: true
    })
    spreadBanner()
      .then(res => {
        wx.hideLoading()
        that.setData({
          spreadList: res.data,
          poster: res.data[0].poster
        })
      })
      .catch(err => {
        wx.hideLoading()
      })
  },

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

  /**
   * 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 () {
    userShare()
    return {
      title: this.data.userInfo.nickname + '-分销海报',
      imageUrl: this.data.spreadList[0],
      path: '/pages/index/index?spid=' + this.data.userInfo.uid
    }
  }
})