nVUE的barcode组件怎么使用识别条形码
时间: 2023-12-10 16:03:54 浏览: 133
nvue 的 barcode 组件可以用于生成和识别条形码,其使用方法如下:
1. 安装依赖库
```
npm install @nativescript-community/ui-barcodeview
```
2. 引入组件
```javascript
<template>
<BarcodeView
ref="barcodeView"
:value="value"
:format="format"
:width="width"
:height="height"
@scanResult="onScanResult"
/>
</template>
<script>
import BarcodeView from "@nativescript-community/ui-barcodeview/vue";
export default {
components: {
BarcodeView,
},
data() {
return {
value: "123456789",
format: "QR_CODE",
width: 300,
height: 300,
};
},
methods: {
onScanResult(event) {
console.log(event.object.text);
},
},
};
</script>
```
3. 在 `onScanResult` 方法中处理扫描结果,获取条形码的文本信息。
注意:在 Android 平台上需要在 AndroidManifest.xml 文件中添加相应的权限:
```xml
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
```
在 iOS 平台上需要在 Info.plist 文件中添加相应的权限:
```xml
<key>NSCameraUsageDescription</key>
<string>需要使用相机以扫描条形码</string>
```
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