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在Vue项目里如何实现扫描二维码的功能

最编程 2024-02-22 08:09:50
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<div class="scan"> <div id="bcid"> <div style="height:40%"></div> <p class="tip">...载入中...</p> </div> <footer> <button @click="startRecognize">1.创建控件</button> <button @click="startScan">2.开始扫描</button> <button @click="cancelScan">3.结束扫描</button> <button @click="closeScan">4.关闭控件</button> </footer> </div> </template> <script type='text/ecmascript-6'> let scan = null export default { data () { return { codeUrl: '', } }, methods: { // 创建扫描控件 startRecognize () { let that = this if (!window.plus) return scan = new plus.barcode.Barcode('bcid') scan.onmarked = onmarked function onmarked (type, result, file) { switch (type) { case plus.barcode.QR: type = 'QR' break case plus.barcode.EAN13: type = 'EAN13' break case plus.barcode.EAN8: type = 'EAN8' break default: type = '其它' + type break } result = result.replace(/\n/g, '') that.codeUrl = result alert(result) that.closeScan() } }, // 开始扫描 startScan () { if (!window.plus) return scan.start() }, // 关闭扫描 cancelScan () { if (!window.plus) return scan.cancel() }, // 关闭条码识别控件 closeScan () { if (!window.plus) return scan.close() }, } } </script> <style lang="less"> .scan { height: 100%; #bcid { width: 100%; position: absolute; left: 0; right: 0; top: 0; bottom: 3rem; text-align: center; color: #fff; background: #ccc; } footer { position: absolute; left: 0; bottom: 1rem; height: 2rem; line-height: 2rem; z-index: 2; } } </style>

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