front-end/hdPad/src/mixins/scan.js

// #ifdef APP-PLUS
const shangMiPrint = uni.requireNativePlugin('G5KJ-ShangMiPrint')
const globalEvent = uni.requireNativePlugin('globalEvent')
export default {
	data() {
		return {
		}
	},
    created(){
        this.listenScan()
    },
	methods: {
        listenScan(){
            let that = this
            //商米收银台
            if(plus.device.vendor == 'SUNMI'){
                //https://ext.dcloud.net.cn/plugin?id=3514
                //初始化
                shangMiPrint.init()
                //扫码返回
                globalEvent.addEventListener('scancode',function(e){
                    if(e.code == 'ok'){
                        let productIdCode = e.data
                        //that.$msg(productIdCode)
                        uni.$emit('listenGetScanCode',{code:productIdCode})
                    }
                })
                console.log('商米监听扫码...')
            }
        }
    }
}
// #endif