YanxueCode.vue
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<template>
<div id="codeBox">
<div class="blueCard">
<div class="name">{{studentInfo.travelerName ? studentInfo.travelerName : ''}}</div>
<div class="school">
<div class="pic"><img src="@/assets/yxCode/school.png" style="width:100%;height:100%" /></div>
<div class="gray">学校：</div>
<div>{{studentInfo.schoolName ? studentInfo.schoolName : ''}}</div>
</div>
<div class="school">
<div class="pic"><img src="@/assets/yxCode/classroom.png" style="width:100%;height:100%" /></div>
<div class="gray">入学年份：</div>
<div>{{studentInfo.enrollYear ? studentInfo.enrollYear : ''}}</div>
</div>
</div>
<div id="qrcode" ref="imageWrapper" v-if="!imgUrl"></div>
<div class="codeDiv">
<img :src="imgUrl" v-if="imgUrl" style="width:100%;height:100%" />
</div>
<div class="fontDiv">
<div @click="sweep">绑定研学码</div>
<div class="blueLine"></div>
<div @click="downQrCode">下载一生一码</div>
</div>
</div>
</template>
<script>
import QRCode from 'qrcodejs2';
import html2canvas from "html2canvas"
export default {
data () {
return {
studentInfo: {},
qrcodePIc: {},
imgUrl: ''
}
},
mounted () {
this.studentInfo = JSON.parse(localStorage.getItem('bindYanxueCodeChildInfo'));
this.creatQrCode()
},
methods: {
//扫一扫页面
sweep () {
this.$router.push({ name: 'YanxueInfo' })
},
//创建qrcode
creatQrCode () {
let text = this.studentInfo.studyCode ? this.studentInfo.studyCode : ""
if (text == '') {
this.$toast('请先绑定研学码');
}
// let text = 'https://www.baidu.com/'
console.log(text)
document.getElementById('qrcode').innerHTML = '';
this.qrcodePIc = new QRCode('qrcode', {
text: text,
width: 240,
height: 240,
colorDark: '#333333', // 二维码颜色
colorLight: '#ffffff', // 二维码背景色
correctLevel: QRCode.CorrectLevel.L // 容错率，L/M/H
});
let canvas = document.getElementById('qrcode').innerHTML
console.log(canvas)
this.canvanqrCode()
},
canvanqrCode () {
html2canvas(this.$refs.imageWrapper, {
width: 240,
height: 240
}).then(canvas => {
let dataURL = canvas.toDataURL("image/png");
this.imgUrl = dataURL;
});
},
downQrCode () {
//下载二维码
this.$toast('请长按二维码进行保存!')
},
}
}
</script>
<style lang="scss" scoped>
#codeBox {
width: 100%;
height: 100%;
overflow: hidden;
.blueCard {
width: 94vw;
height: 35vw;
margin: 5vw auto;
// background-color: royalblue;
background-image: url("~@/assets/yxCode/bck.png");
-moz-background-size: 100% 100%;
background-size: 100% 100%;
padding: 5vw 7vw;
box-sizing: border-box;
border-radius: 3vw;
.name {
color: #fff;
font-size: 4.5vw;
margin-bottom: 4vw;
}
.school {
color: #fff;
display: flex;
font-size: 3.7vw;
margin-bottom: 4vw;
display: flex;
align-items: center;
.pic {
width: 4.7vw;
height: 4.7vw;
margin-right: 2vw;
}
.gray {
color: #f3f3f3;
}
}
}
.codeDiv {
width: 67vw;
height: 67vw;
margin: 8vw auto;
}
.fontDiv {
width: 56vw;
margin: 0 auto;
font-size: 4vw;
color: #4092ff;
display: flex;
justify-content: space-between;
.blueLine {
height: 3.8vw;
width: 0.5px;
margin-top: 1vw;
background-color: #000000;
display: flex;
align-items: center;
}
}
#qrcode {
position: absolute;
top: -100vh;
left: -100vw;
}
}
</style>