<template>
|
<div class="scan" v-if="scancode">
|
<qrcode-stream @decode="onDecode" @init="onInit" style="height: 100vh;">
|
<div>
|
<div class="qr-scanner">
|
<div class="box">
|
<div class="line"></div>
|
<div class="angle"></div>
|
</div>
|
</div>
|
</div>
|
</qrcode-stream>
|
</div>
|
</template>
|
<script>
|
// 下载插件
|
// cnpm install --save vue-qrcode-reader
|
// 引入
|
import { QrcodeStream } from 'vue-qrcode-reader'
|
export default {
|
// 注册
|
components: { QrcodeStream },
|
props: {
|
scancode: {
|
type: Boolean,
|
default: false,
|
}
|
},
|
data() {
|
return {
|
result: '', // 扫码结果信息
|
error: '' // 错误信息
|
}
|
},
|
created(){
|
this.clickCode()
|
},
|
methods: {
|
clickCode() {
|
this.scancode=true;
|
},
|
//回调扫描结果
|
onDecode (result) {
|
|
if(result!==""){
|
this.scancode=false;
|
this.$emit("ok",result)
|
}
|
|
},
|
// 检查是否调用摄像头
|
async onInit (promise) {
|
try {
|
await promise
|
} catch (error) {
|
if (error.name === 'NotAllowedError') {
|
this.error = "ERROR: 您需要授予相机访问权限"
|
} else if (error.name === 'NotFoundError') {
|
this.error = "ERROR: 这个设备上没有摄像头"
|
} else if (error.name === 'NotSupportedError') {
|
this.error = "ERROR: 所需的安全上下文(HTTPS、本地主机)"
|
} else if (error.name === 'NotReadableError') {
|
this.error = "ERROR: 相机被占用"
|
} else if (error.name === 'OverconstrainedError') {
|
this.error = "ERROR: 安装摄像头不合适"
|
} else if (error.name === 'StreamApiNotSupportedError') {
|
this.error = "ERROR: 此浏览器不支持流API"
|
}
|
}
|
},
|
}
|
}
|
</script>
|
<style lang="scss" scoped>
|
.error {
|
font-weight: bold;
|
color: red;
|
}
|
.scan{
|
width: 100vw;
|
border-color: #585858;
|
position: fixed;
|
top: 0;
|
left: 0;
|
}
|
.qrcode-stream-camera{
|
width: 100%;
|
height: 100%;
|
display: block;
|
-o-object-fit: cover;
|
object-fit: cover;
|
position: absolute;
|
top: 0%;
|
left: 0%;
|
}
|
.qr-scanner {
|
background-image:
|
linear-gradient(0deg,
|
transparent 24%,
|
rgba(32, 255, 77, 0.1) 25%,
|
rgba(32, 255, 77, 0.1) 26%,
|
transparent 27%,
|
transparent 74%,
|
rgba(32, 255, 77, 0.1) 75%,
|
rgba(32, 255, 77, 0.1) 76%,
|
transparent 77%,
|
transparent),
|
linear-gradient(90deg,
|
transparent 24%,
|
rgba(32, 255, 77, 0.1) 25%,
|
rgba(32, 255, 77, 0.1) 26%,
|
transparent 27%,
|
transparent 74%,
|
rgba(32, 255, 77, 0.1) 75%,
|
rgba(32, 255, 77, 0.1) 76%,
|
transparent 77%,
|
transparent);
|
background-size: 3rem 3rem;
|
background-position: -1rem -1rem;
|
width: 100%;
|
/* height: 100%; */
|
height: 100vh;
|
position: relative;
|
background-color: #1110;
|
|
/* background-color: #111; */
|
}
|
|
.qr-scanner .box {
|
width: 213px;
|
height: 213px;
|
position: absolute;
|
left: 50%;
|
top: 50%;
|
transform: translate(-50%, -50%);
|
overflow: hidden;
|
border: 0.1rem solid rgba(0, 255, 51, 0.2);
|
/* background: url('http://resource.beige.world/imgs/gongconghao.png') no-repeat center center; */
|
}
|
|
.qr-scanner .line {
|
height: calc(100% - 2px);
|
width: 100%;
|
background: linear-gradient(180deg, rgba(0, 255, 51, 0) 43%, #00ff33 211%);
|
border-bottom: 3px solid #00ff33;
|
transform: translateY(-100%);
|
animation: radar-beam 2s infinite alternate;
|
animation-timing-function: cubic-bezier(0.53, 0, 0.43, 0.99);
|
animation-delay: 1.4s;
|
}
|
|
.qr-scanner .box:after,
|
.qr-scanner .box:before,
|
.qr-scanner .angle:after,
|
.qr-scanner .angle:before {
|
content: '';
|
display: block;
|
position: absolute;
|
width: 3vw;
|
height: 3vw;
|
|
border: 0.2rem solid transparent;
|
}
|
|
.qr-scanner .box:after,
|
.qr-scanner .box:before {
|
top: 0;
|
border-top-color: #00ff33;
|
}
|
|
.qr-scanner .angle:after,
|
.qr-scanner .angle:before {
|
bottom: 0;
|
border-bottom-color: #00ff33;
|
}
|
|
.qr-scanner .box:before,
|
.qr-scanner .angle:before {
|
left: 0;
|
border-left-color: #00ff33;
|
}
|
|
.qr-scanner .box:after,
|
.qr-scanner .angle:after {
|
right: 0;
|
border-right-color: #00ff33;
|
}
|
|
@keyframes radar-beam {
|
0% {
|
transform: translateY(-100%);
|
}
|
|
100% {
|
transform: translateY(0);
|
}
|
}
|
</style>
|
