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

// pages/student/student.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    height: 0,
    animation: {},
    left: 750
  },

  closeCamera:function(){
    this.animation = wx.createAnimation({
      timingFunction: 'linear',
      duration: 400
    })
    const left = 750
    this.animation.translateX(left).step()
    this.setData({
      animation:this.animation.export()
    })
  },

  showCamaer:function(){
    this.animation = wx.createAnimation({
      timingFunction: 'linear',
      duration: 100
    })
    const left = 0
    this.animation.translateX(left).step()
    this.setData({
      animation:this.animation.export(),
      left
    })
   
  },

  scanCode:function(e){
    console.log(JSON.stringify(e))
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.getSystemInfo({
      success: (result) => {
        this.setData({
          height: result.windowHeight
        })
      },
    })
  },

  /**
   * 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 () {

  },

  /**
   * 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 () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})