微信小程序之调用扫一扫功能

页面样式：

<button bindtap='getScancode'>扫一扫</button><view wx:if="{{result !=''}}"><view>扫码的内容:{{result}}</view></view></view>

js:代码

const app = getApp()Page({/*** 页面的初始数据*/data: {result: ''},/*** 生命周期函数--监听页面加载*/onLoad: function (options) {},getScancode: function () {var _this = this;wx.scanCode({success: (res) => {var result = res.result;_this.setData({result: result,})}})}})