game-sdk/public/static/mini/dark/pages/find/find.js

// pages/find/find.js
import util from '../../utils/util.js'
import api from '../../utils/api.js'
const app = getApp() 
Page({

  /**
   * 页面的初始数据
   */
  data: {
    auth: {},
    userInfo: {},
    // scrollTop: 0,
    scrollTime: 0,
    redStyle: '',
    params: {
      page: 1,
      offset: 10
    },
    result: [],
    count: 0,
    system: {},
    sharePath: 'pages/share/share',
    shareInfo: {},
    ShowShareMask: false,
    ShowshareCirclesMask: false,
    day: '',
    mpType: app.globalData.mpType
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    let timer = setInterval(() => {
      if (app.globalData.PageCallback) {
        this.setData({
          userInfo: app.globalData.userInfo,
          auth: app.globalData.auth,
        })
        this.getShareInfo()
        this.getFindPageData()
        this.getSystem()
        clearInterval(timer)
      }
    }, 200)
  },
  onShow: function () {
    wx.showShareMenu({ // 允许转发时携带 shareTicket。 
      withShareTicket: true
    })

    api.getUserInfo().then(res => {
      this.setData({
        userInfo: res.data,
        auth: res.data.auth
      })
    }, err => {
      console.log(err)
    })
  },
  onPageScroll: function (res) {
    let { scrollTime } = this.data
    if (scrollTime) {
      clearTimeout(scrollTime)
    }
    
    let _t = setTimeout(() => {
      this.setData({
        redStyle: ''
      })
    }, 1000)

    // 滑动则隐藏红包、收藏
    this.setData({
      redStyle: 'slide-right',
      // scrollTop: res.scrollTop,
      scrollTime: _t
    })
  },
  getDay: function () {
    var date = new Date();
    var seperator1 = "-";
    var year = date.getFullYear();
    var month = date.getMonth() + 1;
    var strDate = date.getDate();
    if (month >= 1 && month <= 9) {
      month = "0" + month;
    }
    if (strDate >= 0 && strDate <= 9) {
      strDate = "0" + strDate;
    }
    var currentdate = year + seperator1 + month + seperator1 + strDate;
    return currentdate;
  },
  getShareInfo: function () {
    api.getShareInfo({
      data: {
        path: this.data.sharePath
      }
    }).then(res => {
      this.setData({
        shareInfo: res.data
      })
    }).catch(err => {
      console.log('getShare', err)
    })
  },
  getFindPageData () {
    api.getFindGameList(this.data.params).then(res => {
      this.setData({
        result: this.data.params.page > 1 ? this.data.result.concat(res.data.list) : res.data.list,
        count: res.data.count
      })
    })
    this.setData({
      day: this.getDay()
    })
  },
  openGame: function (e) {
    let id = e.currentTarget.dataset.id
    api.openGame({
      game_id: id
    }).then(res => {
      console.log(res)
    }, err => {
      console.log(err)
    })
  },
  // 跳转赚钱技巧页
  routeTips: function (e) {
    if (this.data.mpType === 'gd') {
      util.routeTo('/pages/lottery/lottery')
    } else {
      util.routeTo('/pages/user/purse')
    }
  },
  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    if (this.data.result.length >= this.data.count) {
      return false
    }
    this.data.params.page++
    this.setData({
      params: this.data.params
    })
    this.getFindPageData()
  },
  // 页面相关事件处理函数--监听用户下拉动作
  onPullDownRefresh: function () {
    this.setData({
      params: {
        page: 1,
        offset: 10
      }
    })
    api.getFindGameList({ ...this.data.params, HideLoading: true}).then(res => {
      this.setData({
        result: res.data.list,
        count: res.data.count
      })
    })
    this.setData({
      day: this.getDay()
    })
    wx.stopPullDownRefresh()
  },

  showPop: function (e) {
    wx.previewImage({
      urls: [e.currentTarget.dataset.entrance]
    })
  },

  // 显示隐藏分享menu
  ChangeShare: function (e) {
    wx.hideTabBar({
      animation: true
    })
    if (!this.data.shareInfo.title) {
      api.getShareInfo({
        data: {
          path: this.data.sharePath
        }
      }).then(res => {
        console.log('getShare', res)
        this.setData({
          shareInfo: res.data,
          ShowShareMask: e.currentTarget.dataset.show ? true : false
        })
      }).catch(err => {
        console.log('getShare', err)
      })
    } else {
      this.setData({
        ShowShareMask: e.currentTarget.dataset.show ? true : false
      })
    }

    this.getShareInfo()
  },
  // 显示隐藏分享弹框
  showShare: function (e) {
    let { show } = e.currentTarget.dataset
    if (!show) {
      wx.showTabBar({
        animation: true
      })
    }
    this.setData({
      ShowShareMask: show ? true : false
    })
  },
  // 分享朋友圈
  shareCircles: function () {
    console.log(this.data.shareImgSrc)
    if (this.data.shareImgSrc) {
      this.setData({
        ShowShareMask: false,
        ShowshareCirclesMask: true
      })
      return false
    }
    wx.showLoading({
      title: '正在生成',
      mask: true
    })
    this.setData({
      ShowShareMask: false,
      ShowshareCirclesMask: true
    })
    const _self = this
    const rpx = this.data.system.windowWidth / 750
    const ctx = wx.createCanvasContext('shareCanvas')
    const canvasW = 466 * rpx
    const canvasH = 828 * rpx
    const avatarW = 60 * rpx
    const avatarH = 60 * rpx
    const avatarX = 203 * rpx
    const avatarY = 23 * rpx
    const avatarBW = 66 * rpx
    const avatarBH = 66 * rpx
    const avatarBX = 200 * rpx
    const avatarBY = 20 * rpx
    const QRcodeW = 137 * rpx
    const QRcodeH = 137 * rpx
    const QRcodeX = 165 * rpx
    const QRcodeY = 585 * rpx
    const QRcodeBW = 147 * rpx
    const QRcodeBH = 147 * rpx
    const QRcodeBX = 160 * rpx
    const QRcodeBY = 580 * rpx
    util.getImageInfo(this.data.shareInfo.pyq_bg).then(res => {
      ctx.drawImage(res.path, 0, 0, canvasW, canvasH)

      ctx.save()
      ctx.beginPath()
      ctx.arc(avatarBW / 2 + avatarBX, avatarBH / 2 + avatarBY, avatarBW / 2, 0, Math.PI * 2, false)
      ctx.clip()
      ctx.setFillStyle('white')
      ctx.fillRect(avatarBX, avatarBY, avatarBW, avatarBH)
      ctx.restore()
      ctx.draw(true)

      ctx.save()
      ctx.beginPath()
      ctx.arc(QRcodeBW / 2 + QRcodeBX, QRcodeBH / 2 + QRcodeBY, QRcodeBW / 2, 0, Math.PI * 2, false)
      ctx.clip()
      ctx.setFillStyle('white')
      ctx.fillRect(QRcodeBX, QRcodeBY, QRcodeBW, QRcodeBH)
      ctx.restore()
      ctx.draw(true)
    }).then(res => {
      return util.getImageInfo(this.data.shareInfo.mp_qr).then(res => {
        ctx.save()
        ctx.beginPath()
        ctx.arc(QRcodeW / 2 + QRcodeX, QRcodeH / 2 + QRcodeY, QRcodeW / 2, 0, Math.PI * 2, false)
        ctx.clip()
        ctx.drawImage(res.path, canvasW / 2 - QRcodeW / 2, QRcodeY, QRcodeW, QRcodeH)
        ctx.restore()
        ctx.draw(true)
      })
    }).then(res => {
      return util.getImageInfo(this.data.userInfo.avatar).then(res => {
        ctx.beginPath()
        ctx.arc(avatarW / 2 + avatarX, avatarH / 2 + avatarY, avatarW / 2, 0, Math.PI * 2, false)
        ctx.clip()
        ctx.drawImage(res.path, canvasW / 2 - avatarW / 2, avatarY, avatarW, avatarH)
        ctx.restore()
        ctx.draw(true)
      })
    }).then(res => {
      setTimeout(() => {
        wx.canvasToTempFilePath({
          x: 0,
          y: 0,
          width: canvasW,
          height: canvasH,
          destWidth: canvasW * 4,
          destHeight: canvasH * 4,
          canvasId: 'shareCanvas',
          success: function (res) {
            wx.hideLoading()
            _self.setData({
              shareImgSrc: res.tempFilePath
            })
          },
          fail: function (res) {
            console.log(res)
          }
        })
      }, 500)
    }).catch(err => {
      wx.hideLoading()
      console.log(err)
    })
  },
  // 保存分享朋友圈图片
  saveMemQRcode: function (e) {
    const _self = this
    wx.showLoading({
      title: '正在保存...'
    })
    wx.saveImageToPhotosAlbum({
      filePath: _self.data.shareImgSrc,
      success: function (res) {
        console.log('保存图片', res)
        wx.showToast({
          title: '保存成功',
          icon: 'success',
          duration: 1000
        })
      },
      fail: function (err) {
        console.log('保存图片', err)
        if (err.errMsg === "saveImageToPhotosAlbum:fail:auth denied") {
          console.log("用户一开始拒绝了，我们想再次发起授权")
          console.log('打开设置窗口')
          wx.openSetting({
            success(settingdata) {
              console.log(settingdata)
              if (settingdata.authSetting['scope.writePhotosAlbum']) {
                console.log('获取权限成功，给出再次点击图片保存到相册的提示。')
              } else {
                console.log('获取权限失败，给出不给权限就无法正常使用的提示')
              }
            }
          })
        }
      },
      complete: function () {
        wx.hideLoading()
        _self.setData({
          ShowshareCirclesMask: false
        })
        wx.showTabBar({
          aniamtion: true
        })
      }
    })
  },
  // 获取设备信息
  getSystem: function (e) {
    const _self = this
    wx.getSystemInfo({
      success: function (res) {
        _self.setData({
          system: res
        })
      }
    })
  }
})