shares/pages/index/index.js

//index.js
//获取应用实例
const app = getApp()

Page({
  data: {
    url:'../../images/timg.jpg',
    motto: '',
    userInfo: {},
    hasUserInfo: false,
    canIUse: wx.canIUse('button.open-type.getUserInfo'),
    aa:[
      {
        nickName:"wang",
        reward:"2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
      {
        nickName: "wang",
        reward: "2"
      },
    ],

  },
  //事件处理函数
  bindViewTap: function() {
    wx.navigateTo({
      url: '../logs/logs'
    })
  },
  onReady: function (e) {
    this.computeScrollViewHeight();
    // var query = wx.createSelectorQuery()
    // query.select('#test').boundingClientRect(function (res) {
    //    console.log(res.top);
    // }).exec();
},
  onLoad: function () {
    // this.computeScrollViewHeight();
    // if (app.globalData.userInfo) {
    //   this.setData({
    //     userInfo: app.globalData.userInfo,
    //     hasUserInfo: true
    //   })
    // } else if (this.data.canIUse){
    //   // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
    //   // 所以此处加入 callback 以防止这种情况
    //   app.userInfoReadyCallback = res => {
    //     this.setData({
    //       userInfo: res.userInfo,
    //       hasUserInfo: true
    //     })
    //   }
    // } else {
    //   // 在没有 open-type=getUserInfo 版本的兼容处理
    //   wx.getUserInfo({
    //     success: res => {
    //       app.globalData.userInfo = res.userInfo
    //       this.setData({
    //         userInfo: res.userInfo,
    //         hasUserInfo: true
    //       })
    //     }
    //   })
    // }
  },
  computeScrollViewHeight() {
    let that = this
    let query = wx.createSelectorQuery().in(this)
    query.select('.userinfo').boundingClientRect()
    query.select('.search').boundingClientRect()
    query.select('.news').boundingClientRect()
    query.exec(res => {
      let topHeight = res[0].height
      let searchHeight = res[1].height
      let titleHeight = res[2].height
      let windowHeight = wx.getSystemInfoSync().windowHeight
      let windowWidth = wx.getSystemInfoSync().windowWidth
      let height = windowHeight - topHeight - searchHeight - titleHeight
      let ratio = 750 / windowWidth
      let scrollHeight = height * ratio - 50
      this.setData({ scrollHeight: scrollHeight})
    })
  },
  getUserInfo: function(e) {
    console.log(e)
    app.globalData.userInfo = e.detail.userInfo
    this.setData({
      userInfo: e.detail.userInfo,
      hasUserInfo: true
    })
  }

})