When scanning the QR code on a mobile browser, an error message appears: cordova_not_avaliable, but it is packaged into an app and scanned without any problem
import {BarcodeScanner } from "ionic-native";
BarcodeScanner.scan().then((result) => {
alert(result.text);
}, (err) => {
alert(err);
});
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
The problem description is not clear
The QR code scanning function in this project is related to the cordova.js file and can only be run on a device or simulator
You use the
cordova或者ionic nativeplug-in to scan the QR code, which of course can only be called in the packaged app!