<template>
	<view class="content">
		<view class="container">
			<headers :titles="titles"><u-icon name="arrow-left" color="#fff" size="22"></u-icon></headers>
			<view class="img-box">
				<view class="title_">请扫码支付</view>
				<canvas id="qrcode" canvas-id="qrcode" style="width: 200px;height: 200px; margin: 15px auto;"></canvas>
				<view class="z-size">
					<view class="" @click="setAmount">设置金额</view>
					<view class="">保存图片</view>
				</view>
			</view>

		</view>
	</view>
</template>

<script>
	import headers from '../../components/header/headers.vue'
	import UQRCode from '../../uni_modules/Sansnn-uQRCode/js_sdk/uqrcode/uqrcode.js';
	export default {
		data() {
			return {
				titles: "刷卡支付",
				orderNo:"",
				qrCode:"",
			}
		},
		onLoad(e) {
			this.orderNo = e.orderNo
			this.qrCode = uni.getStorageSync("qrCode")
			console.log(this.qrCode);
			this.onReady()
			
		},
		onShow() {
			// this.actList = ["1", "1", "1", "1", "1", ]
			// this.status = "nomore" 底部刷新结束
		},
		onPullDownRefresh() {
			console.log("刷新");
			uni.stopPullDownRefresh()
		},
		onReachBottom() {
			// this.show = true
			setTimeout(() => {
				console.log("加载执行");
			}, 2000)
		},
		components: {
			headers
		},
		methods: {
			// 设置金额
			setAmount() {
				uni.navigateTo({
					url: "/pagesHome/PaymentCode/SetUpCode?orderNo="+this.orderNo
				})
			},
			onReady() {
				// 获取uQRCode实例
				var qr = new UQRCode();
				// 设置二维码内容
				qr.data = this.qrCode;
				// 设置二维码大小，必须与canvas设置的宽高一致
				qr.size = 200;
				// 调用制作二维码方法
				qr.make();
				// 获取canvas上下文
				var canvasContext = uni.createCanvasContext('qrcode', this); // 如果是组件，this必须传入
				// 设置uQRCode实例的canvas上下文
				qr.canvasContext = canvasContext;
				// 调用绘制方法将二维码图案绘制到canvas上
				qr.drawCanvas();
			},
			goback() {
				uni.navigateBack()
			}
		}
	}
</script>

<style scoped lang="scss">
	.content {
		background: #0864e9;
		// background: linear-gradient(180deg, #B2D2FC 0%, #B2D2FC 14%, rgba(255, 255, 255, 0.84) 24%, rgba(255, 255, 255, 0.84) 100%);
		height: 100vh;
	}

	.container {
		width: 100%;
		background: #0864e9;
		box-sizing: border-box;
		padding-top: 88px;
	}

	.img-box {
		width: 95%;
		height: 300px;
		background: #FFFFFF;
		border-radius: 8px;
		margin: 15px auto;
		box-sizing: border-box;
		padding: 15px;


	}

	.title_ {
		width: 100%;
		text-align: center;
		font-weight: bold;
		font-size: 16px;
		color: #333333;
		margin-bottom: 15px;
	}

	.z-size {
		width: 200px;
		display: flex;
		align-items: center;
		justify-content: space-between;
		margin: 0 auto;
	}
</style>