shares/pages/index/index.js

//index.js
//获取应用实例
var imageUtil = require('../../utils/window.js'); 
const app = getApp()

Page({
  data: {
    url:'../../images/timg.jpg',
    motto: '',
    currentTab: 0,
    userInfo: {},
    hasUserInfo: false,
    canIUse: wx.canIUse('button.open-type.getUserInfo'),
    imagewidth: 0,//缩放后的宽 
    imageheight: 0,//缩放后的高 
    aa:[
      {
        id:'0',
        from:"Investing.com 中文",
        nickName:"买入波音(BA.US)好时机？两个问题没解决之前劝你住手",
        reward:"今年迄今，美股航空板块受到公共卫生事件的冲击.....",
        time:"6天前"
      },
      { 
        id:'1',
        from:"chinese.aljazeera.net",
        nickName: "波音裁员超1.2万人与警惕最坏时刻尚未到来",
        reward: "波音公司当地时间27日宣布，将在美国裁减超1...",
        time:"6天前"
      },
      {
        id:'2',
        from:"Investing.com 中文",
        nickName: "美股异动|波音737MAX客机恢复生产，盘前涨逾5%",
        reward: "Reuters.美股异动|波音(BA.US)737MAX客...",
        time:"5天前"
      },
      {
        id:'3',
        from:"Investing.com 中文",
        nickName:"买入波音(BA.US)好时机？两个问题没解决之前劝你住手",
        reward:"今年迄今，美股航空板块受到公共卫生事件的冲击.....",
        time:"6天前"
      },
      { 
        id:'4',
        from:"chinese.aljazeera.net",
        nickName: "波音裁员超1.2万人与警惕最坏时刻尚未到来",
        reward: "波音公司当地时间27日宣布，将在美国裁减超1...",
        time:"6天前"
      },
      {
        id:'5',
        from:"Investing.com 中文",
        nickName: "美股异动|波音737MAX客机恢复生产，盘前涨逾5%",
        reward: "Reuters.美股异动|波音(BA.US)737MAX客...",
        time:"5天前"
      },
      {
        id:'6',
        from:"Investing.com 中文",
        nickName:"买入波音(BA.US)好时机？两个问题没解决之前劝你住手",
        reward:"今年迄今，美股航空板块受到公共卫生事件的冲击.....",
        time:"6天前"
      },
      { 
        id:'7',
        from:"chinese.aljazeera.net",
        nickName: "波音裁员超1.2万人与警惕最坏时刻尚未到来",
        reward: "波音公司当地时间27日宣布，将在美国裁减超1...",
        time:"6天前"
      },
      {
        id:'8',
        from:"Investing.com 中文",
        nickName: "美股异动|波音737MAX客机恢复生产，盘前涨逾5%",
        reward: "Reuters.美股异动|波音(BA.US)737MAX客...",
        time:"5天前"
      },
      {
        id:'9',
        from:"Investing.com 中文",
        nickName:"买入波音(BA.US)好时机？两个问题没解决之前劝你住手",
        reward:"今年迄今，美股航空板块受到公共卫生事件的冲击.....",
        time:"6天前"
      },
      { 
        id:'10',
        from:"chinese.aljazeera.net",
        nickName: "波音裁员超1.2万人与警惕最坏时刻尚未到来",
        reward: "波音公司当地时间27日宣布，将在美国裁减超1...",
        time:"6天前"
      },
      {
        id:'11',
        from:"Investing.com 中文",
        nickName: "美股异动|波音737MAX客机恢复生产，盘前涨逾5%",
        reward: "Reuters.美股异动|波音(BA.US)737MAX客...",
        time:"5天前"
      },
      {
        id:'12',
        from:"Investing.com 中文",
        nickName:"买入波音(BA.US)好时机？两个问题没解决之前劝你住手",
        reward:"今年迄今，美股航空板块受到公共卫生事件的冲击.....",
        time:"6天前"
      },
      { 
        id:'13',
        from:"chinese.aljazeera.net",
        nickName: "波音裁员超1.2万人与警惕最坏时刻尚未到来",
        reward: "波音公司当地时间27日宣布，将在美国裁减超1...",
        time:"6天前"
      },
      {
        id:'14',
        from:"Investing.com 中文",
        nickName: "美股异动|波音737MAX客机恢复生产，盘前涨逾5%",
        reward: "Reuters.美股异动|波音(BA.US)737MAX客...",
        time:"5天前"
      },
    ],

  },
  //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() {
    var that = this
    let query = wx.createSelectorQuery().in(that)
    // 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[0].height
      let windowHeight = wx.getSystemInfoSync().windowHeight
      let windowWidth = wx.getSystemInfoSync().windowWidth
      let height = windowHeight - titleHeight
      let ratio = 750 / windowWidth
      let scrollHeight = height * ratio + 20
      that.setData({ scrollHeight: scrollHeight})
    })
  },
  imageLoad: function (e) { 
    var imageSize = imageUtil.imageUtil(e) 
    this.setData({ 
     imagewidth: imageSize.imageWidth, 
     imageheight: imageSize.imageHeight 
    }) 
    this.computeScrollViewHeight();
   },
  onFold:function(e){
    console.log( e.currentTarget.dataset.id);
    wx.navigateTo({
      url:"../news/news"
      });
  },
  swichNav: function(e) {
    var that = this;
    if (this.data.currentTab === e.target.dataset.current) {
      return false;
    } else {
      that.setData({
        currentTab: e.target.dataset.current
      })
    }


  },
  getUserInfo: function(e) {
    console.log(e)
    app.globalData.userInfo = e.detail.userInfo
    this.setData({
      userInfo: e.detail.userInfo,
      hasUserInfo: true
    })
   
  }

})