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- // pages/ticketBuy/qrcode.js
- const utils = require('../../utils/util.js')
- import drawQrcode from '../../utils/weapp.qrcode.esm.js'
- Page({
- /**
- * 页面的初始数据
- */
- data: {
- recordId: '',
- qrcodeUrl: ''
- },
- /**
- * 生命周期函数--监听页面加载
- */
- onLoad: function (options) {
- this.setData({
- recordId: options.recordId
- })
- this.drawQrcode('qrcode')
- },
- //详情
- toDetail() {
- wx.redirectTo({
- url: '/pages/ticketBuy/detail?recordId=' + this.data.recordId
- })
- },
- //二维码
- drawQrcode(canvasId) {
- wx.showLoading({
- title: '二维码加载中...',
- mask: true
- })
- drawQrcode({
- width: 250,
- height: 250,
- canvasId: canvasId,
- text: 'https://app.taxbk.cn:9443/qrcode/#/invoiceTodo?recordId='+this.data.recordId,
- callback: () => {
- //安卓机上不准确,生成的二维码无法扫描,加延时解决
- setTimeout(() => {
- wx.canvasToTempFilePath({
- canvasId: canvasId,
- success: res => {
- wx.hideLoading()
- this.setData({
- qrcodeUrl: res.tempFilePath
- })
- }
- }, this)
- }, 500)
- }
- })
- },
- //长按保存
- save() {
- wx.getImageInfo({
- src: this.data.qrcodeUrl,
- success: res => {
- utils.savePhoto(res.path)
- }
- })
- },
- /**
- * 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 () {
- return {
- title: '诺信云',
- path: '/pages/index/index'
- }
- }
- })
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