seafood_applet/applet/app.js

//app.js
var http = require('utils/util.js');
var md5 = require('utils/md5.js');
var commonJs = require('utils/common.js')
let livePlayer = requirePlugin('live-player-plugin')
App({
  data:{
    windowWidth:0,//屏幕的宽度
    windowHeight:0,//屏幕的高度
    share_open_id:'',//分享用户的opneid
    sale_id:'',//销售id
    systemInfo:{},
    safeAreaTop:30
  },
  onLaunch: function () {
    var _this = this;
    wx.setStorageSync('is_guide_mask', false)
    this.checkSession()
    wx.getSystemInfo({
      success (res) {
        _this.data.systemInfo = res
        if(res.platform == "ios"){
          _this.data.safeAreaTop=res.statusBarHeight + 10
        }else if(res.platform == "android"){
          _this.data.safeAreaTop=res.statusBarHeight + 10
        }else{
          _this.data.safeAreaTop=res.statusBarHeight + 10
        }
      }
    })
    
  },
  onShow(options) {
    console.log('onShow',options)
    if (options.scene == 1007 || options.scene == 1008 || options.scene == 1044) {
      livePlayer.getShareParams()
          .then(res => {
              // 房间号
              console.log('get room id', res.room_id) 
              // 用户openid
              console.log('get openid', res.openid) 
              // 分享者openid，分享卡片进入场景才有
              console.log('get share openid', res.share_openid) 
              if(res.share_openid){
                this.data.share_open_id = res.share_openid
                this.checkSession(()=>{
                  this.reportInviteInfo()
                })
              }
              // 开发者在跳转进入直播间页面时，页面路径上携带的自定义参数，这里传回给开发者
              console.log('get custom params', res.custom_params) 
          }).catch(err => {
              console.log('get share params', err)
          })
  }
    if(options.query.openid){//上报用户关系
      this.data.share_open_id = options.query.openid
      this.checkSession(()=>{
        this.reportInviteInfo()
      })
    }
    if(options.query.scene){//记录销售用户关系
        var obj = this.getQueryVariable(decodeURIComponent(options.query.scene))
        console.log(obj)
        if(obj.sale_id){
          this.data.sale_id = obj.sale_id
          this.checkSession(()=>{
            this.salerShare()
          })
        }
        if(obj.room_id){//去直播间
          let customParams = encodeURIComponent(JSON.stringify({ path: 'pages/index/index', pid: 1 })) // 开发者在直播间页面路径上携带自定义参数（如示例中的path和pid参数），后续可以在分享卡片链接和跳转至商详页时获取，详见【获取自定义参数】、【直播间到商详页面携带参数】章节（上限600个字符，超过部分会被截断）
          wx.navigateTo({
              url: `plugin-private://wx2b03c6e691cd7370/pages/live-player-plugin?room_id=${obj.room_id}&custom_params=${customParams}`
          })// 其中wx2b03c6e691cd7370是直播组件appid不能修改
        }
    }
  },
  checkSession (cb) {//判断微信登录是否过期
    var _this = this;
    wx.checkSession({
      success () {
        //session_key 未过期，并且在本生命周期一直有效
        console.log(wx.getStorageSync('openid'),'openid')
        if(!wx.getStorageSync('openid')){
          _this.login(cb)
        }else{//已在登录状态
          console.log("已在登录状态")
          cb?cb():''
        }
      },
      fail() {
        console.log('过期，重新登录')
        // session_key 已经失效，需要重新执行登录流程
        _this.login(cb)
      }
    })
  },
  login(cb){//获取openid
    var _this = this;
    wx.login({
      success (res) {
        if (res.code) {
          // 发起网络请求 发送 res.code 到后台换取 openId, sessionKey, unionId
          wx.setStorageSync('isSpringBox', false)
          http.req('/api/wx/auth', 'get', {
            code: res.code,
          }, function (res) {
            if(res && res.errno == 200){
              wx.setStorageSync('openid',res.rst.openid)
              wx.setStorageSync('session_key',res.rst.session_key)
              cb?cb():''
            }else{
            }
          },()=>{
          })
        } else {
          console.log('登录失败！' + res.errMsg)
        }
      }
    })
  },
  reportInviteInfo() {//上报分享关系
    if(this.data.share_open_id == wx.getStorageSync('openid')){//排除自己邀请自己的情况
      return;
    }
    http.req('/api/wxuser/share', 'post', {
      share_open_id: this.data.share_open_id,
      current_open_id: wx.getStorageSync('openid')
    }, (res) => {
      console.log('上报用户关系接口',res)
      if(res && res.errno == 200){
      }else{
      }
    },()=>{
    })
  },
  salerShare(){//记录销售关系
    http.req('/api/wxuser/salerShare', 'post', {
      saler_id: this.data.sale_id,
      openid: wx.getStorageSync('openid')
    }, (res) => {
      console.log('记录销售关系接口',res)
      if(res && res.errno == 200){
      }else{
      }
    },()=>{
    })
  },
  shareEvent(res){//分享
    var pages = getCurrentPages() //获取加载的页面
    var currentPage = pages[pages.length-1] //获取当前页面的对象
    var url = currentPage.route //当前页面url
    var options = currentPage.options
    options = Object.assign(options,{'openid':wx.getStorageSync('openid')})
    console.log(url,options)
    var path = '';
    for(var i in options){
      path += '&' + i + '=' + options[i]
    }
    var path2 = url + "?" + path.substr(1)
    console.log(path2)
    console.log(res)
    if(res.from === 'button'){
      //来自页面内转发按钮
    }
    return{
      title:'海鲜阿嫂',
      path: path2
    }
  },
  getQueryVariable(query){
    var vars = query.split("&");
    var arr = {}
    vars.forEach((item,index)=>{
      var pair = item.split("=")
      Object.assign(arr,{[pair[0]]:pair[1]})
    })
    return arr;
  },
  func: {
    req: http.req,
    md5: md5.hex_md5,
    getDay: commonJs.getDay,
    NumberHandle: commonJs.NumberHandle
  },
})