ezred/pages/form/donaSuccess.vue

<template>
	<view class="content">
		<view class="box">
			<view class="music">
				<view class="player playing" :class="playing ? 'none' : 'keepgo'" @click.stop="play">
					<image src="../../static/img/music.png" style="width: 68rpx;height: 68rpx;" :animation="animationData"></image>
				</view>
			</view>
			<canvas v-if="showcanvas" id="qrShareBox" canvas-id="qrShareBox" class="tki-qrcode-canvas" />
			<image class="imgbox" v-else :src="img"></image>
		</view>
		<!-- <image class="image" src="../../static/img/thinks.png" mode=""></image> -->
	</view>
</template>

<script>
import { weixindata } from '@/utils/wxAuthorized.js';
export default {
	data() {
		return {
			money: '',
			url: '',
			img: '',
			showcanvas: true,
			loading: true, //是否载入图片中
			size: 180,
			ratio: 1, //页面比例用于计算
			canHeight: '',
			canWeidth: '',
			playing: true,
			current: {
				src: '../../static/audio/xx.mp3'
			},
			rotateIndex: '',
			animation: {},
			animationData: {},
			audioAction: {
				method: 'pause'
			},
			ran: -1,
			isStop: true,
			demo: 0
		};
	},
	onReady() {
		let query = uni.createSelectorQuery();
		let obj = this;
		console.log(999, obj.money);
		// 获取页面比例
		query
			.select('.box')
			.fields(
				{
					size: true
				},
				e => {
					console.log('获取页面比例', e);
					// 保存比例
					this.ratio = e.width / 750;
				}
			)
			.exec();
		// 获取画布宽高信息
		query
			.select('#qrShareBox')
			.fields(
				{
					size: true
				},
				e => {
					console.log('获取画布宽高信息', e);
					obj.canHeight = e.height;
					obj.canWeidth = e.width;
				}
			)
			.exec();
		let ctxBg = '/index/static/img/thanks.png'; //画布背景
		let src = '/index/static/icon/erweima.jpg'; // 二维码

		let context = uni.createCanvasContext('qrShareBox');
		// 插入背景图片
		console.log('插入背景图片', ctxBg, 0, 0, obj.canWeidth, obj.canHeight);
		context.drawImage(ctxBg, 0, 0, obj.canWeidth, obj.canHeight);

		const codeSize = obj.size * obj.ratio; //计算二维码大小
		const codeX = ((750 - obj.size) * obj.ratio) / 2; //二维码所在x轴位置
		const codeY = 960 * obj.ratio; //二维码所在y轴位置

		const codeBoxColor = '#FFFFFF'; //包裹框颜色
		const codeBoxWidht = 0; //包裹边框宽度
		const codeBoxSize = (codeBoxWidht / 2) * obj.ratio; //计算二维码白色包裹框大小
		const codeBoxX = codeX - codeBoxSize; //包裹框初始X轴
		const codeBoxY = codeY - codeBoxSize; //包裹框初始Y轴
		const codeBoxEnd = codeSize + codeBoxWidht * obj.ratio; //计算包裹框大小
		const fontTop = codeY + codeBoxEnd + (codeBoxWidht + 20) * obj.ratio; //文字距离上边距高度
		const fontSize = 24 * obj.ratio; //文字大小
		const fontText = ''; //文字内容
		const fontLeft = (codeSize - fontSize * fontText.length) / 2 + codeX; //文字左侧距离

		// // 插入文字
		context.setFontSize(28);
		context.setFillStyle('#d5493b');
		// context.fillText('感谢信', ((750 - obj.size) * obj.ratio) / 2, 260 * obj.ratio)
		context.setFontSize(30 * obj.ratio);
		context.fillText('尊敬的捐赠人：', 40 * obj.ratio, 400 * obj.ratio);
		context.fillText('衷心感谢您对鄂州市红十字事业的信任与支持', 100 * obj.ratio, 460 * obj.ratio);
		context.fillText('！我们已收到您的捐款', 40 * obj.ratio, 515 * obj.ratio);
		// 画横线
		context.moveTo(340 * obj.ratio, 520 * obj.ratio);
		context.lineTo(500 * obj.ratio, 520 * obj.ratio);
		context.stroke();
		context.fillText('￥' + obj.money, 355 * obj.ratio, 512 * obj.ratio);
		context.fillText('元。我们承诺，', 500 * obj.ratio, 515 * obj.ratio);
		context.fillText('绝不辜负大家的信任，遵照您的意愿，将捐款全部', 40 * obj.ratio, 570 * obj.ratio);
		context.fillText('用于相关救助项目。您的善举将给受助人带去温暖', 40 * obj.ratio, 625 * obj.ratio);
		context.fillText('！', 40 * obj.ratio, 680 * obj.ratio);
		context.fillText('爱心无界，情义无价。谨以此信表达谢意，我', 100 * obj.ratio, 730 * obj.ratio);

		context.fillText('们因您更有力量，因您倍感温暖！', 40 * obj.ratio, 785 * obj.ratio);
		// context.fillText('谨表谢意', (580 * obj.ratio), 680 * obj.ratio)
		context.fillText('鄂州红十字会', 450 * obj.ratio, 900 * obj.ratio);

		// 插入二维码
		// console.log(codeX, codeY, codeSize, 999)
		context.drawImage(src, codeX, codeY, codeSize, codeSize);

		// 生成
		context.draw(false, e => {
			uni.canvasToTempFilePath({
				x: 0,
				y: 0,
				width: obj.canWeidth,
				height: obj.canHeight,
				destWidth: obj.canWeidth,
				destHeight: obj.canHeight,
				canvasId: 'qrShareBox',
				success: function(res) {
					console.log(333, res);
					// 在H5平台下，tempFilePath 为 base64
					obj.showcanvas = false;
					obj.img = res.tempFilePath;
				}
			});
		});
	},
	onShow() {
		var animation = uni.createAnimation();
		this.animation = animation;
		if (this.isStop) {
			// 使用动画
			this.scaleAndScale();
			this.timer = setInterval(() => {
				//创建定时器,3秒执行异一次
				this.scaleAndScale();
				// console.log('每三秒执行一次 , 达到往复运动的效果')
			}, 1000);
		} else {
			this.noscaleAndScale();
		}
	},
	onLoad(option) {
		console.log(333, option);
		this.money = option.money;
		this.IndexShare();
		this.ScanAudio(true);
	},
	onHide() {
		//在页面隐藏时也要清除定时器
		if (this.timer) {
			// console.log('清除定时器-' + this.timer)
			clearInterval(this.timer);
		}
	},
	onUnload() {
		//在页面卸载时清除定时器 避免出现多个定时器连续创建动画
		if (this.timer) {
			console.log('清除定时器-' + this.timer);
			clearInterval(this.timer);
		}
	},
	methods: {
		// 分享
		IndexShare() {
			let obj = this;
			// let money = obj.money;
			let item = {
				link: 'http://ez.igxys.com/index/#/pages/form/donaSuccess?money=' + obj.money, // 分享链接
				imgUrl: 'http://ez.igxys.com/index/#/static/img/thinks.png',
				desc: '感谢信',
				title: '鄂州市红十字会',
				success: console.log('分享加载成功')
			};
			console.log('分享加', item);
			weixindata(item);
		},
		musicClick() {
			// if (this.isRoate) {
			// 	this.isRoate = false
			// 	this.stopScanAudio()
			// } else {
			// 	this.isRoate = true
			// 	this.ScanAudio()
			// }
		},
		play() {
			this.playing = !this.playing;
			this.ScanAudio(this.playing);
			if (this.playing == true) {
				this.timer = setInterval(() => {
					//创建定时器,3秒执行异一次
					this.scaleAndScale();
					console.log('每1秒执行一次');
				}, 1000);
			} else {
				clearInterval(this.timer);
			}
			// var music = uni.createInnerAudioContext();
			// music.src= "../../static/audio/xx.mp3"; //选择播放的音频
			//   music.onPause(); //暂停播放
			// 	console.log('暂停播放')
			// console.log('dianjizanting')
			// this.stopAudio()
			// this.playing = !this.playing; //背景音乐点击，暂停或继续
		},
		// 定义动画内容
		scaleAndScale() {
			// 定义动画内容
			// this.animation.scale(1.2, 1.2).step() //先放大1,2倍
			// this.animation.scale(1, 1).step() //缩小至原来的大小
			// 导出动画数据传递给data层
			// this.animationData = this.animation.export(); //每次执行导出动画时 会覆盖之前的动画
			this.animation.rotate(this.demo).step({
				duration: 1000
			});
			this.animationData = this.animation.export();
			this.demo += 360;
		},
		noscaleAndScale() {
			this.animation.rotate(0).step({
				duration: 1000
			});
			this.animationData = this.animation.export();
		}
		// ScanAudio(){
		// 	this.$api.music.play(); //执行播放
		// 				console.log('执行播放')
		// }
	}
};
</script>

<style lang="scss">
page {
	width: 100%;
	height: 100%;
}

.content {
	// background-color: pink;
	width: 100%;
	height: 100%;
	position: relative;

	.bgimg {
		width: 100%;
		height: 100%;

		// background-color: pink;
		image {
			width: 100%;
			height: 100%;
		}
	}

	.tki-qrcode-canvas {
		width: 750rpx;
		height: 1350rpx;
		margin: 0 auto;
		// background-color: pink;
	}

	.box {
		// position: absolute;
		// left: 0;
		// top: 0;
		// background-color: pink;
		// width: 100%;
		// height: 100%;
		// display: flex;
		// flex-direction: column;
		// align-items: center;
		// color: #FFFFFF;
		// padding: 0rpx 32rpx 0 32rpx;
		color: #ffffff;
		width: 100%;
		height: 100vh;
		// background-color: pink;

		.music {
			// width: 55rpx;
			// height: 55rpx;
			border-radius: 28rpx;
			// background-color: pink;
			position: absolute;
			left: 12rpx;
			top: 250rpx;
			z-index: 999;
		}

		// .title {
		// 	margin-top: 234rpx;
		// 	font-size: 54rpx;
		// }

		// .main {
		// 	margin-top: 20rpx;
		// 	font-size: 32rpx;

		// 	.box-2 {
		// 		text-indent: 68rpx;
		// 		margin-top: 12rpx;
		// 	}
		// }

		// .footer {
		// 	margin-top: 32rpx;
		// 	// background-color: pink;
		// 	width: 100%;

		// 	.box-1 {
		// 		display: flex;
		// 		justify-content: flex-end;
		// 		font-size: 28rpx;
		// 		// padding-right: 14rpx;
		// 	}
		// }
	}

	// .playing {
	// 		animation: run 10s linear 0s infinite;
	// 	}

	// .player {

	// 	width: 65rpx;
	// 	height: 65rpx;
	// 	border-radius: 50%;
	// 	background-color: rgba(0, 0, 0, 0.1);
	// 	z-index: 999999;
	// }

	.keepgo {
		animation-play-state: paused;
	}
	.imgbox {
		height: 1350rpx;
		width: 750rpx;
	}
}
.image {
	width: 100%;
	height: 100%;
}
</style>