108 lines
2.5 KiB
JavaScript
108 lines
2.5 KiB
JavaScript
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// pages/infoquery/index.js
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Page({
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/**
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* 页面的初始数据
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*/
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data: {
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dataContent: '',
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dataZdtImg: null,
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datafhImg: null,
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slipFlag: false,
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zoomFlag: false,
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distance: 0,
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scale: 1,
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newScale: 1
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},
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/**
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* 生命周期函数--监听页面加载
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*/
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onLoad(option) {
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console.log('option', decodeURIComponent(option.query))
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let obj = decodeURIComponent(option.query)
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this.setData({
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dataContent: obj
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})
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let paramId = obj.split('&')[2].substring(0,19) + 'W00000000'
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let that = this
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let url = getApp().globalData.API + '/theme/list?bdcdyh=' + paramId
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let param = {
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bdcdyh: paramId,
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}
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wx.request({
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url: url,
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data: param,
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method: 'POST',
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success (res) {
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if(res.data.rows.length>0){
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if(res.data.rows[0].zdt){
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that.setData({
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dataZdtImg: 'data:image/png;base64,'+res.data.rows[0].zdt
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})
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}
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if(res.data.rows[0].fht){
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that.setData({
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datafhImg: 'data:image/png;base64,'+res.data.rows[0].fht
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})
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}
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}
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}
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})
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},
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/**
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* 生命周期函数--监听页面初次渲染完成
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*/
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onReady() {
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},
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gopage: function (e) {
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let url = e.currentTarget.dataset.url
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wx.navigateTo({
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url: url,
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})
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},
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startEvent(e) {
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console.log('111', e.touches)
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let xMove = e.touches[1].clientX - e.touches[0].clientX;
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let yMove = e.touches[1].clientY - e.touches[0].clientY;
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//计算开始触发两个手指坐标的距离
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this.setData({
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distance: Math.sqrt(xMove * xMove + yMove * yMove)
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})
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},
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moveEvent(e) {
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console.log('222', e.touches)
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if (e.touches.length != 1) {
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let xMove = e.touches[1].clientX - e.touches[0].clientX;
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let yMove = e.touches[1].clientY - e.touches[0].clientY;
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//双手指运动新的 ditance
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let newDistance = Math.sqrt(xMove * xMove + yMove * yMove);
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//计算移动的过程中实际移动了多少的距离
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let distanceDiff = newDistance - this.distance;
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this.setData({
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newScale: 1 + 0.005 * distanceDiff
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})
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// 打开缩放监听
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this.setData({
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zoomFlag: true
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})
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return
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}
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},
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myTouchEnd() {
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if (this.zoomFlag) {
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this.setData({
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newScale: 1,
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})
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// 关闭缩放监听
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this.setData({
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zoomFlag: false
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})
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}
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},
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})
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