| // pages/qrcode/qrcode.js |
| const QR = require('../../utils/weapp-qrcode.js') |
| const app = getApp() |
| Page({ |
| |
| /** |
| * 页面的初始数据 |
| */ |
| data: { |
| qrcodeURL: "", |
| }, |
| |
| /** |
| * 生命周期函数--监听页面加载 |
| */ |
| onLoad: function(options) { |
| var that = this; |
| |
| wx.getScreenBrightness({ |
| success:function(e){ |
| wx.setStorageSync("brightness", e.value); |
| } |
| }) |
| wx.setNavigationBarTitle({ |
| title: '付款码', |
| }) |
| wx.setScreenBrightness({ |
| value: 1, |
| }) |
| |
| wx.$doPost('/v1/qrcode', {}, function(ok, ret) { |
| console.log(ret); |
| if (ok) { |
| var imgData = QR.drawImg(ret.data.qrcode, { |
| typeNumber: 4, |
| errorCorrectLevel: 'M', |
| size: 500 |
| }) |
| that.setData({ |
| qrcodeURL: imgData |
| }) |
| }else{ |
| wx.showModal({ |
| title: '错误', |
| content: '获取二维码失败，请稍后再试', |
| showCancel: false, |
| success(res) { |
| wx.navigateBack({ |
| |
| }) |
| } |
| }) |
| } |
| |
| }) |
| }, |
| |
| /** |
| * 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() { |
| |
| } |
| }) |