xw-scan

<template>
	<view class="content">
		<xw-scan></xw-scan>
	</view>
</template>
<script>
	export default {
	onUnload() {
		   // 移除监听事件      
		   uni.$off('xwscan')
		},
		onShow() {
			let that = this
			uni.$off('xwscan') // 每次进来先 移除全局自定义事件监听器
			uni.$on('xwscan', (res)=> {
				console.log('扫码结果：', res.code);
				this.input = res.code
			})
		},
	}
</script>