// pages/infoquery/index.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    dataContent: '',
    dataZdtImg: null,
    datafhImg: null,
    slipFlag: false,
    zoomFlag: false,
    distance: 0,
    scale: 1,
    newScale: 1
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(option) {
    console.log('option', decodeURIComponent(option.query))
    let obj = decodeURIComponent(option.query)
    this.setData({
      dataContent: obj
    })
    let paramId = obj.split('&')[2].substring(0,19) + 'W00000000'
    let that = this
    let url = getApp().globalData.API + '/theme/list?bdcdyh=' + paramId
    let param = {
      bdcdyh: paramId,
    }
    wx.request({
      url: url, 
      data: param,
      method: 'POST',
      success (res) {
        if(res.data.rows.length>0){
          if(res.data.rows[0].zdt){
            that.setData({
              dataZdtImg: 'data:image/png;base64,'+res.data.rows[0].zdt
            })
          }
          if(res.data.rows[0].fht){
            that.setData({
              datafhImg: 'data:image/png;base64,'+res.data.rows[0].fht
            })
          }
        }      
      }
    })
  },

  
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady() {

  },
  
  gopage: function (e) {
    let url = e.currentTarget.dataset.url
    wx.navigateTo({
      url: url,
    })
  },
  startEvent(e) {
    console.log('111', e.touches)
    let xMove = e.touches[1].clientX - e.touches[0].clientX;
    let yMove = e.touches[1].clientY - e.touches[0].clientY;
    //计算开始触发两个手指坐标的距离
    this.setData({
      distance:  Math.sqrt(xMove * xMove + yMove * yMove)
    })
  },
  moveEvent(e) {
    console.log('222', e.touches)
    if (e.touches.length != 1) {
      let xMove = e.touches[1].clientX - e.touches[0].clientX;
      let yMove = e.touches[1].clientY - e.touches[0].clientY;
      //双手指运动新的 ditance
      let newDistance = Math.sqrt(xMove * xMove + yMove * yMove);
      //计算移动的过程中实际移动了多少的距离
      let distanceDiff = newDistance - this.distance;
      this.setData({
        newScale:  1 + 0.005 * distanceDiff
      })
      // 打开缩放监听
      this.setData({
        zoomFlag: true
      })
      return
    }
  },
  myTouchEnd() {
    if (this.zoomFlag) {
        this.setData({
          newScale:  1,
        })
        // 关闭缩放监听
        this.setData({
          zoomFlag: false
        })
    }
  },

})