feat: 初始化
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235
uni_modules/lime-qrcode/components/l-qrcode/l-qrcode.uvue
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235
uni_modules/lime-qrcode/components/l-qrcode/l-qrcode.uvue
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<template>
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<!-- #ifdef MP -->
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<canvas :style="styles" type="2d" :canvas-id="canvasId" :id="canvasId"></canvas>
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<!-- #endif -->
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<!-- #ifdef APP -->
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<view class="l-qrcode" ref="drawableRef" :style="[styles]">
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<image class="l-qrcode__icon" v-if="icon" :src="icon" :style="[iconStyle]"></image>
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</view>
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<!-- #endif -->
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<!-- #ifdef WEB -->
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<view class="l-qrcode" ref="drawableRef" :style="[styles]">
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</view>
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<!-- #endif -->
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</template>
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<script lang="uts" setup>
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import { type PropType, nextTick } from 'vue'
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// #ifndef APP
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import { QRCodeCanvas } from './qrcode.js';
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import { QRCodePropsTypes , ImageSettings } from './type'
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// #endif
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// #ifdef APP
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import { QRCodeCanvas, QRCodePropsTypes , ImageSettings } from '@/uni_modules/lime-qrcodegen'
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// #endif
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// import { addUnit } from '@/uni_modules/lime-shared/addUnit'
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// import { unitConvert } from '@/uni_modules/lime-shared/unitConvert'
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// import { toBoolean } from '@/uni_modules/lime-shared/toBoolean'
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import { addUnit, unitConvert } from './utils'
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import { LQrcodeFailCallback, LQrcodeCompleteCallback, LQrcodeSuccessCallback} from './type'
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const name = 'l-qrcode'
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const props = defineProps({
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value: {
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type: String
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},
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icon: {
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type: String
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},
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// #ifdef APP-ANDROID
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size: {
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type: Object,
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default: 160
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},
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iconSize: {
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type: Object,
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default: 40
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},
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// #endif
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// #ifndef APP-ANDROID
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size: {
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type: [Number, String],
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default: 160
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},
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iconSize: {
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type: [Number, String],
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default: 40
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},
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// #endif
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marginSize: {
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type: Number,
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default: 0
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},
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color: {
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type: String,
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default: '#000'
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},
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bgColor: {
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type: String,
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default: 'transparent'
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},
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bordered: {
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type: Boolean,
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default: true
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},
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errorLevel: {
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type: String as PropType<'L' | 'M' | 'Q' | 'H'>,
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default: 'M' // 'L' | 'M' | 'Q' | 'H'
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},
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useCanvasToTempFilePath: {
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type: Boolean,
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default: false
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}
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// status: {
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// type: String as PropType<'active'|'expired'|'loading'>,
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// default: 'active' // active | expired | loading
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// }
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})
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const emits = defineEmits(['success'])
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const context = getCurrentInstance();
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const canvasId = `l-qrcode${context!.uid}`
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const styles = computed<Map<string, any>>(():Map<string, any>=>{
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const style = new Map<string, any>()
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const size = addUnit(props.size);
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if(size!=null){
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style.set('width', size)
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style.set('height', size)
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}
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style.set('background', props.bgColor)
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return style
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})
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// #ifdef APP
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const iconStyle = computed<Map<string, any>>(():Map<string, any>=>{
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const style = new Map<string, any>()
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const size = addUnit(props.iconSize);
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if(size!=null){
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style.set('width', size)
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style.set('height', size)
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}
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return style
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})
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// #endif
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const drawableRef = ref<UniElement|null>(null);
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// #ifdef WEB
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let canvas:HTMLCanvasElement|null = null
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// #endif
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let qrcode:QRCodeCanvas|null = null
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const canvasToTempFilePath = (options: UTSJSONObject)=>{
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const format = options.getString('format') ?? 'png';
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const fail = options.get('fail') as LQrcodeFailCallback | null;
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const complete = options.get('complete') as LQrcodeCompleteCallback | null;
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const success = options.get('success') as LQrcodeSuccessCallback | null;
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// #ifdef APP
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const newOptions = {
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format,
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fail,
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complete,
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success,
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} as TakeSnapshotOptions
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drawableRef.value!.takeSnapshot(newOptions)
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// #endif
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// #ifdef WEB
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success?.({
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tempFilePath: canvas?.toDataURL('image/'+format)
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})
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// #endif
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}
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const render = ()=>{
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const param:QRCodePropsTypes = {
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value: props.value,
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size: unitConvert(props.size),
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fgColor: props.color,
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level: ['L', 'M', 'Q', 'H'].includes(props.errorLevel) ? props.errorLevel : 'M',
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marginSize: props.marginSize,
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includeMargin: props.bordered,
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imageSettings: null,
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} as QRCodePropsTypes
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if(props.icon != null){
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// if(toBoolean(props.iconSize) && toBoolean(props.icon)){
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const size = unitConvert(props.iconSize)
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param.imageSettings = {
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src: props.icon,
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width: size,
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height: size,
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excavate: true
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} as ImageSettings
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}
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qrcode?.render(param)
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if(props.useCanvasToTempFilePath){
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setTimeout(()=>{
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canvasToTempFilePath({
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success: (res: TakeSnapshotSuccess)=>{
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emits('success', res.tempFilePath)
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}
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})
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},100)
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}
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}
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defineExpose({
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canvasToTempFilePath
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})
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onMounted(()=>{
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nextTick(()=>{
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// #ifdef APP
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const ctx = drawableRef.value!.getDrawableContext();
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qrcode = new QRCodeCanvas(ctx!)
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// #endif
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// #ifdef WEB
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canvas = document.createElement('canvas')
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canvas.style.width = '100%'
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canvas.style.height = '100%'
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drawableRef.value!.appendChild(canvas)
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qrcode = new QRCodeCanvas(canvas, {
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pixelRatio: uni.getSystemInfoSync().pixelRatio,
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createImage: () => {
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const image = new Image();
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image.crossOrigin = 'anonymous';
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return image;
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}
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})
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// #endif
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watchEffect(()=>{
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render()
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})
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})
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})
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onUnmounted(()=>{
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// #ifdef WEB
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canvas?.remove();
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// #endif
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qrcode = null;
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})
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</script>
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<style lang="scss">
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.l-qrcode {
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position: relative;
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background-color: aqua;
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justify-content: center;
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align-items: center;
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&-mask {
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position: absolute;
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// inset: 0;
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// inset-block-start: 0;
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// inset-inline-start: 0;
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z-index: 10;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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// width: 100%;
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// height: 100%;
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color: rgba(0, 0, 0, 0.88);
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line-height: 1.5714285714285714;
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background: rgba(255, 255, 255, 0.96);
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text-align: center;
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}
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}
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</style>
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