设备-扫码
调起客户端扫码界面，扫码成功后返回对应的结果
wx.scanCode(OBJECT)
<view class="container"> <button bindtap='getScancode'>调起客户端扫码界面，扫码成功后返回对应的结果</button> <view wx:if="{{result !=''}}"> <view>所扫码的内容:{{result}}</view> <view>所扫码的类型:{{scanType}}</view> <view>所扫码的字符集:{{charSet}}</view> <view>当所扫的码为当前小程序的合法二维码时，会返回此字段，内容为二维码携带的 path:{{path}}</view> </view></view> //index.js//获取应用实例const app = getApp()Page({ data: { result: '', charSet: '', scanType:'', path:'' }, onLoad: function () { }, getScancode:function(){ var _this=this; // 允许从相机和相册扫码 wx.scanCode({ success: (res) => { var result = res.result; var scanType = res.scanType; var charSet = res.charSet; var path = res.path; _this.setData({ result: result, scanType: scanType, charSet: charSet, path: path }) } }) // 只允许从相机扫码 // wx.scanCode({ // onlyFromCamera: true, // success: (res) => { // console.log(res) // } // }) }})