guosen-ldt-client/pagesC/pages/checkstand/pay-qrcode1.vue

<!-- 纯轮询做法 -->
<template>
	<view class="code-container">
		<view class="title center">{{isPayment? "向商家付款":"扫一扫，向我付款"}}</view>
		<view class="main-content">
			<view v-if="isPayment">
				<!-- 占位 -->
				<view style="height: 50rpx;"></view>
				<!-- 条形码 -->
				<view class="bar-code center">
					<tki-barcode ref="barcode" :val="content" onval=true :opations="barOption" />
				</view>
				<!-- 付款码 -->
				<view class="qr-code center">
					<tki-qrcode cid="2" ref="qrcode" :val="content" size="300" :onval="true" :loadMake="true"
						:usingComponents="true" />
				</view>
			</view>
			<!-- 收款码 -->
			<view v-else class="charge-code center">
				<tki-qrcode cid="1" ref="qrcode-charge" :val="id" :icon="avatar" size="440" :onval="true"
					:loadMake="true" :usingComponents="true" />
			</view>
		</view>
		<view class="footer center">
			<text class="text-xl text-bold">{{nickName}}</text>
		</view>
	</view>
</template>

<script>
	import tkiQrcode from "../../comps/tki-qrcode/tki-qrcode.vue"
	import tkiBarcode from "../../comps/tki-barcode/tki-barcode.vue"
	import totp from "../../utils/totp.js"
	export default {
		components: {
			tkiBarcode,
			tkiQrcode
		},
		computed: {
			content() {
				let transformStr = this.id
				return transformStr + this.secret
			}
		},
		data() {
			return {
				id: '',
				avatar: "",
				nickName:'',
				secret: '000000',
				isPayment: true,
				timer: '',
				timerBillRecords:null,
				barOption: {
					width: 3,
					height: 130,
					displayValue: false
				}
			}
		},
		methods: {
			refreshCode() {
				this.timer = setInterval(() => {
					this.secret = totp.getSecret(this.id);
					console.log(this.secret);
				}, 1000)
			},
			async initAvatat(url) {
				return new Promise((reslove, reject) => {
					uni.downloadFile({
						url,
						success: (res) => {
							reslove(res);
						},
						fail: (err) => {
							reject(err)
						}
					})
				})
			},
			async queryBillRecords(){
				let resp=await this.$api.loginUser.getBillrecordFromRedis({userId:this.vuex_userId})
				if (this.$isEmpty(resp.data)) {
					return
				}
				if (resp.data.realPayAmount>0) {
					clearInterval(this.timerBillRecords)
					//去支付
					let params={
						orderType:this.$global.orderType.USER_PAY,
						orderId:resp.data.id,
						payStatus:this.$global.payStatus.IS_WAIT
					}
					let res=await this.$api.pay.payOrder(params)
					if (!this.$isEmpty(res.data.prePayTn)) {
						let prePayTn= JSON.parse(res.data.prePayTn)
						this.$mpi.requestPayment(prePayTn).then(()=>{
							this.$dialog.showModal('支付成功',false).then(()=>{
								this.$api.loginUser.clearBillRecordCache({userId:this.vuex_userId})
								uni.navigateBack({
									delta:1
								})
							})
						}).catch(err=>{
							this.$dialog.showModal('支付失败',false).then(()=>{
								this.$api.loginUser.clearBillRecordCache({userId:this.vuex_userId})
								uni.navigateBack({
									delta:1
								})
							})
						})
					}
				}
			},
		},
		async created(option) {
			let res = await this.$api.loginUser.detail({
				id: this.vuex_userId
			})
			this.nickName=res.data.nickName
			// this.avatar =(await  this.initAvatat(res.data.avatar)).tempFilePath;
			//清除缓存
			await this.$api.loginUser.clearBillRecordCache({userId:this.vuex_userId})
			//轮询	
			this.timerBillRecords =  setInterval(this.queryBillRecords,5000);
		},
		async mounted(option) {
			//获取用户ID
			this.id = this.vuex_userId
			//生成动态密码
			this.refreshCode();
		},
		beforeDestroy() {
			clearInterval(this.timer);
			clearInterval(this.timerBillRecords);
			uni.hideLoading()
		}
		
	}
</script>

<style>
	page {
		background-color: #18b566;
	}
</style>
<style lang="scss" scoped>
	.code-container {
		background-color: #FFFFFF;
		border-radius: 16rpx;
		min-height: 800rpx;
		margin: 60rpx 20rpx;

		.title {
			border-radius: 25rpx 25rpx 0 0;
			height: 100rpx;
			width: 100%;
			font-size: 35rpx;
			color: #18b566;
			background-color: #F7F7F7;
			font-weight: 600;
			letter-spacing: 3rpx;
		}

		.footer {
			width: 90%;
			height: 160rpx;
			margin-left: 5%;
			border-top: 1rpx dashed #dddddd;
		}

		.main-content {
			width: 100%;
			height: 600rpx;
			scroll-margin-top: 600rpx;

			// overflow: hidden;
			.bar-code {
				margin-left: 5%;
				width: 90%;
				height: 150rpx;
			}

			.qr-code {
				width: 100%;
				height: 450rpx;
			}

			.charge-code {
				width: 100%;
				height: 600rpx;
				transition: transform 1s ease-in-out;
			}
		}
	}
</style>