自己写了个商城小程序 公司在用 这几天发现前台的两个ipad的相机出现 扫码验证的时候卡住 canvas style="width: 120px; height: 120px;"  canvas-id="myQrcode" 用这个生成的二维码  //扫码获取用户信息(扫码赠券)     gift: function() {         let that = this;         wx.scanCode({             onlyFromCamera: true,             success(res) {                 that.get_gift_items(res.result)             },             fail: function(err) {                 console.log(err)             }         })     }, scanCode扫码获取信息， 安卓手机正常使用 就是两台ipad现在一扫码就卡主[图片]

const authorization = function authorization(app) {         let _this = this             //需要用户同意授权获取自身相关信息         return new Promise(() => {             wx.getSetting({                 success: function(res) {                     if (res.authSetting['scope.userInfo']) {                         //将授权结果写入app.js全局变量                         app.globalData.hasLogin = true                             //从云端获取用户资料                         wx.cloud.callFunction({                             name: 'get_userinfo',                             data: {                                 getSelf: true                             },                             success: res => {                                 if (res.errMsg == "cloud.callFunction:ok" && res.result) {                                     //如果成功获取到                                     //将获取到的用户资料写入app.js全局变量                                     app.globalData.userInfo = res.result.data.userData                                     app.globalData.userId = res.result.data._id                                         // wx.switchTab({                                         //     url: '/pages/home/home'                                         // })                                 } else {                                     console.log("未注册")                                 }                             },                             fail: err => {                                 wx.showToast({                                     title: '请检查网络状态',                                     duration: 800,                                     icon: 'none'                                 })                                 console.error("get_setUserInfo调用失败", err.errMsg)                             }                         })                     } else {                         console.log("未授权")                     }                 },                 fail(err) {                     wx.showToast({                         title: '请检查网络您的状态',                         duration: 800,                         icon: 'none'                     })                     console.error("wx.getSetting调用失败", err.errMsg)                 }             })         })     }

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