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- <template>
- <view class="content">
- <view class="box">
- <canvas v-if="showcanvas" id="qrShareBox" canvas-id="qrShareBox" class="tki-qrcode-canvas" />
- <image class="imgbox" v-else :src="img"></image>
- </view>
- </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,
- userName: '六牛云'
- };
- },
- 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.canHeight = 650
- obj.canWeidth = e.width;
- }
- )
- .exec();
- let ctxBg = '/static/img/yxs.png'; //画布背景
- let src = '/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('#2C2E35');
- // context.fillText('感谢信', ((750 - obj.size) * obj.ratio) / 2, 260 * obj.ratio)
- context.setFontSize(30 * obj.ratio);
- context.fillText('尊敬的 ' + obj.userName + '' + ' 先生(女士)', 95 * obj.ratio, 480 * obj.ratio);
- // context.fillText('衷心感谢您对荆州市红十字事业的信任与支持', 155 * 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('荆州市红十字会', 450 * obj.ratio, 900 * obj.ratio);
- context.fillText('识别右边二维码', 108 * obj.ratio, 1090 * obj.ratio);
- context.fillText('关注咸宁市红十字会', 108 * obj.ratio, 1150 * obj.ratio);
- // 插入二维码
- // console.log(codeX, codeY, codeSize, 999)
- context.drawImage(src, 490 * obj.ratio, 1000 * obj.ratio, 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://slj.igxys.com/index/#/pages/form/donaSuccess?money=' + obj.money, // 分享链接
- imgUrl: 'http://slj.igxys.com/index/#/static/img/thinks.png',
- desc: '感谢信',
- title: '咸宁市红十字会',
- 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: 100vh;
- position: relative;
- overflow: hidden;
- .image {
- width: 100%;
- height: 100%;
- }
- .bgimg {
- width: 100%;
- height: 100%;
- // background-color: pink;
- image {
- width: 100%;
- height: 100%;
- }
- }
- .tki-qrcode-canvas {
- width: 750rpx;
- height: 100vh;
- margin: 0 auto;
- // background-color: pink;
- }
- .box {
- 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;
- // }
- }
- .imgbox {
- height: 1204rpx;
- width: 750rpx;
- }
- }
- .image {
- width: 100%;
- height: 100%;
- }
- </style>
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