schoolwisdoms-student-mp/pages/growUp/growUp.js

// pages/growUp/growUp.js
const app = getApp()
const util = require("../../utils/util")
const urlDef = require("../../utils/urls")

const audioContext = wx.createInnerAudioContext() //音频播放对象
Page({

  /**
   * 页面的初始数据
   */
  data: {
    studentId: null,
    orgId: null,
    curVideo: '',
    videoFlag: 0,
    videoContext: '',
    curAudio: '',
    curAudioIndex: -1,
    audioPause: 0,
    list: [
    ],
    loading: '上拉加载',
    flag: 0,
    pageNum: 0,
    hasNextPage: true,
  },

  bindfullscreenchange: function () {
    if (this.data.videoFlag == 0) {
      this.setData({
        videoFlag: 1
      })
    } else {
      this.setData({
        videoFlag: 0,
        curVideo: ""
      })
    }
  },

  videoShow: function (e) {
    this.setData({
      curVideo: e.currentTarget.dataset.url
    })
    this.videoContext.requestFullScreen({	// 设置全屏时视频的方向，不指定则根据宽高比自动判断。
      direction: 90						// 屏幕逆时针90度
    });
  },

  showImg: function (e) {
    let id = e.currentTarget.dataset.id
    var images = [];
    this.data.list.map(it => {
      if (it.id == id) {
        let imgs = it.images
        imgs.map(i => {
          images.push(i.url)
        })
      }
    })
    wx.previewImage({
      urls: images,
      current: e.currentTarget.dataset.url
    })
  },
  showAudio: function (e) {
    const url = e.currentTarget.dataset.url
    if (this.data.curAudioIndex != url) {
      this.setData({
        curAudioIndex: url,
      })
      audioContext.src = url
      audioContext.play()
      audioContext.onEnded((res) => {
        this.setData({
          curAudioIndex: '-1',
        })
      })
    } else {
      if (this.data.audioPause) {
        audioContext.play()
        this.setData({
          audioPause: false
        })
      } else {
        audioContext.pause()
        this.setData({
          audioPause: true
        })
      }
    }
  },

  bindended: function () {
    this.setData({
      audioPause: 0,
      curAudioIndex: -1,
      curAudio: ''
    })
  },

  bindpause: function () {
    this.setData({
      audioPause: 1
    })
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    let sid = options.studentId
    let oid = options.orgId
    if (sid == null || oid == null) {
      let stu = wx.getStorageSync('student')
      sid = stu.studentId
      oid = stu.orgId
    }
    this.videoContext = wx.createVideoContext('play-video');// 	创建 video 上下文 VideoContext 对象。
    this.setData({ studentId: sid, orgId: oid })
    this.queryList()
  },

  /**
   * 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 () {
    audioContext.stop()
  },

  /**
   * 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 () {
    if (this.data.hasNextPage) {
      let pn = this.data.pageNum
      this.setData({ loading: '加载中', 'pageNum': ++pn })
      this.queryList()
    }
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
    return {
      title: '成长足迹',
      path: '/pages/growUp/growUp?studentId=' + this.data.studentId + '&orgId=' + this.data.orgId,
    }
  },
  queryList: function () {
    const urls = urlDef.urls;
    let params = { 'q.studentId': this.data.studentId, 'q.orgId': this.data.orgId }
    params.pageNum = this.data.pageNum
    util.apiPost(urls.query_student_evaluate, params).then(rs => {
      let list = rs.list
      list.map(it => {
        if (it.beginTime) {
          it.beginTime = it.beginTime.replace('T', ' ').substring(0, 16)
        }
        if (it.type === '1') {
          util.apiPost(urls.query_student_star + '&q.orgId=' + this.data.orgId + '&q.studentId='
            + this.data.studentId + '&q.headId=' + it.id).then((st) => {
              it.stars = st;
              this.reloadItems(it)
            }, e => {
              console.log(e);
            });

          let attachs;
          try {
            if (it.evaluateAttach) {
              attachs = JSON.parse(it.evaluateAttach);
            } else {
              attachs = {};
            }
          } catch (e) {
            console.error(JSON.stringify(e));
          }
          if (attachs) {
            it.images = attachs.images ? attachs.images : [];
            it.videos = attachs.videos ? attachs.videos : [];
            it.records = attachs.records ? attachs.records : [];

            it.images.forEach(rs => {
              rs.url = urls.oss_file + 'image/' + rs.url
            });

            it.records.forEach(rs => {
              rs.url = urls.oss_file + 'file/' + rs.url
            });

            // 加载视频封面
            it.videos.forEach(r => {
              util.apiPost(urls.video_loadInfo + r.url).then((rs) => {
                r.imgUrl = rs.img;
                r.playUrl = rs.url;
                this.reloadItems(it)
              });
            });

          }
        } else if (it.type === '4') {
          util.apiPost(urls.video_loadInfo + it.evaluateAttach).then((rs) => {
            it.imgUrl = rs.img;
            it.playUrl = rs.url;
            this.reloadItems(it)
          });

        }
      })

      this.setData({
        'hasNextPage': rs.hasNextPage,
        'loading': rs.hasNextPage ? '下拉刷新' : '没有更多数据',
        'list': this.data.list.concat(list)
      })
    })
  },
  reloadItems: function (t) {
    let list = this.data.list;
    list.map(it => {
      if (it.id == t.id) {
        it = t;
      }
    })
    this.setData({ list: list })
  }
})