502 lines
14 KiB
Vue
502 lines
14 KiB
Vue
<template>
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<view ref="specialSharePage" class="special-share-page">
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<!-- 特殊场景背景图片 -->
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<image
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class="share-bg-image"
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:src="specialBackgroundImage"
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mode="scaleToFill"
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crossorigin="anonymous"
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@load="onBackgroundImageLoad"
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@error="onBackgroundImageError"
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v-if="specialBackgroundImage"
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></image>
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<!-- 加载状态 -->
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<view
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class="loading-container"
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v-if="!specialBackgroundImage || isLoadingBackground"
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>
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<view class="loader"></view>
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<text class="loading-text">{{
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isLoadingBackground ? '正在获取背景图片...' : '正在加载分享背景...'
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}}</text>
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</view>
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<view
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class="share-wrapper"
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v-if="specialBackgroundImage && !isLoadingBackground"
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>
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<view class="portal-frame" :class="{ 'is-loaded': isLoaded }">
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<view class="qr-code-outer special-qr-style">
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<image
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class="qr-code"
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:src="qrCodeImage"
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mode="aspectFit"
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v-if="qrCodeImage"
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></image>
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<view v-else class="qr-code-placeholder">
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<view class="loader"></view>
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</view>
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</view>
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<text
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class="member-code-text special-member-code-style"
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style="
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font-size: 30rpx;
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color: #005bac;
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font-weight: bold;
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margin-top: 20rpx;
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"
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>{{ desensitization(userInfo.memberCode) }}</text
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>
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</view>
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</view>
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</view>
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</template>
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<script>
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import { snapdom } from '@zumer/snapdom'
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import html2canvas from 'html2canvas'
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import { getSharedImg } from '@/config/login'
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export default {
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name: 'SpecialSharePage',
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props: {
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qrCodeImage: {
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type: String,
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default: '',
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},
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userInfo: {
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type: Object,
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default: () => ({}),
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},
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isWechat: {
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type: Boolean,
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default: false,
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},
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isLoaded: {
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type: Boolean,
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default: false,
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},
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// 移除specialBackgroundImage prop，改为接口获取
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// 调试用：跳过图片验证
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skipImageVerification: {
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type: Boolean,
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default: false,
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},
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},
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data() {
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return {
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backgroundImageLoaded: false,
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imageLoadRetryCount: 0,
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maxRetryCount: 3,
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specialBackgroundImage: '', // 存储接口返回的背景图
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isLoadingBackground: false, // 是否正在加载背景图
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}
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},
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created() {
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this.getBackgroundImage()
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},
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methods: {
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desensitization(str) {
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if (!str) return ''
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if (str.length <= 8) return str.slice(0, 4) + '****'
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const len = str.length - 6
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const placeholder = '*'.repeat(len)
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return str.slice(0, 4) + placeholder + str.slice(-2)
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},
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// 背景图片加载成功
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onBackgroundImageLoad() {
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this.backgroundImageLoaded = true
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console.log('特殊场景背景图片加载成功')
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},
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// 背景图片加载失败
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onBackgroundImageError(e) {
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console.error('特殊场景背景图片加载失败:', e)
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this.backgroundImageLoaded = false
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this.imageLoadRetryCount++
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// 如果重试次数未达到上限，可以通知父组件重试
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if (this.imageLoadRetryCount < this.maxRetryCount) {
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console.log(
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`图片加载失败，重试中 (${this.imageLoadRetryCount}/${this.maxRetryCount})`
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)
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this.$emit('background-image-retry', this.imageLoadRetryCount)
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} else {
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this.$emit('background-image-error', e)
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}
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},
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// 获取特殊场景背景图片
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async getBackgroundImage() {
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if (this.skipImageVerification) {
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this.specialBackgroundImage = '' // 跳过验证时清空背景图
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this.backgroundImageLoaded = true
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return
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}
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if (this.specialBackgroundImage) {
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// 如果背景图已加载，则直接使用
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this.backgroundImageLoaded = true
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return
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}
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this.isLoadingBackground = true
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try {
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const result = await getSharedImg()
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if (result && result.code === 200 && result.data) {
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this.specialBackgroundImage =
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'data:image/png;base64,' + result.data.base64
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this.backgroundImageLoaded = true
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} else {
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this.backgroundImageLoaded = false
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this.imageLoadRetryCount++
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}
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} catch (error) {
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this.backgroundImageLoaded = false
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this.imageLoadRetryCount++
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if (this.imageLoadRetryCount < this.maxRetryCount) {
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this.$emit('background-image-retry', this.imageLoadRetryCount)
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} else {
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this.$emit('background-image-error', error)
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}
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} finally {
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this.isLoadingBackground = false
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}
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return this.specialBackgroundImage
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},
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async generateShareImage() {
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// await this.getBackgroundImage()
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try {
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this.$nextTick(() => {
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const info = uni.getSystemInfoSync()
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console.log(info.platform, '.....info')
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if (info.platform === 'ios') {
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console.log('iOS detected, using html2canvas for capturing.')
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this.capturePageWithHtml2Canvas()
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} else {
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console.log('Non-iOS detected, using snapdom for capturing.')
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this.capturePageWithSnapDom()
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}
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})
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} catch (error) {
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uni.hideLoading()
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uni.showToast({ title: '图片生成失败，请稍后重试', icon: 'none' })
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}
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},
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// 新增：使用html2canvas截取整个页面 (For iOS)
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async capturePageWithHtml2Canvas() {
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return new Promise(async (resolve, reject) => {
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// 确保所有图片都已加载完成
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const waitForImages = async () => {
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// 检查是否正在加载背景图片
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if (this.isLoadingBackground) {
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console.log('等待背景图片接口调用完成...')
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setTimeout(waitForImages, 100)
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return
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}
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// 检查背景图片是否加载完成
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if (!this.backgroundImageLoaded) {
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console.log('等待背景图片加载完成...')
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setTimeout(waitForImages, 100)
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return
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}
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// 检查二维码是否存在
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if (!this.qrCodeImage) {
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console.log('等待二维码生成...')
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setTimeout(waitForImages, 100)
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return
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}
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// 检查特殊背景图片参数是否存在
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if (!this.specialBackgroundImage) {
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console.log('等待特殊背景图片参数...')
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setTimeout(waitForImages, 100)
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return
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}
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console.log('所有图片准备就绪，开始使用html2canvas截图...')
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// 等待确保渲染完成
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setTimeout(() => {
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const element = this.$el
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if (!element) {
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uni.hideLoading()
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reject(new Error('找不到组件容器'))
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return
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}
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html2canvas(element, {
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useCORS: true,
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allowTaint: true,
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backgroundColor: null,
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scale: 2, // 提高清晰度
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dpi: 300,
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width: element.offsetWidth,
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height: element.offsetHeight,
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})
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.then(canvas => {
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const dataUrl = canvas.toDataURL('image/jpeg', 1.0)
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uni.hideLoading()
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// this.handleShareGenerated(dataUrl)
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this.$emit('share-generated', dataUrl)
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resolve()
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})
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.catch(err => {
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uni.hideLoading()
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console.error('html2canvas截取失败:', err)
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uni.showToast({
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title: '图片生成失败，请稍后重试',
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icon: 'none',
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})
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reject(err)
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})
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}, 1000)
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}
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// 开始等待图片加载
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waitForImages()
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})
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},
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// 使用snapDOM截取整个页面
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async capturePageWithSnapDom() {
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return new Promise(async (resolve, reject) => {
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// 确保所有图片都已加载完成
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const waitForImages = async () => {
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// 检查是否正在加载背景图片
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if (this.isLoadingBackground) {
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console.log('等待背景图片接口调用完成...')
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setTimeout(waitForImages, 100)
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return
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}
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// 检查背景图片是否加载完成
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if (!this.backgroundImageLoaded) {
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console.log('等待背景图片加载完成...')
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setTimeout(waitForImages, 100)
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return
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}
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// 检查二维码是否存在
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if (!this.qrCodeImage) {
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console.log('等待二维码生成...')
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setTimeout(waitForImages, 100)
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return
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}
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// 检查特殊背景图片参数是否存在
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if (!this.specialBackgroundImage) {
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console.log('等待特殊背景图片参数...')
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setTimeout(waitForImages, 100)
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return
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}
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console.log('所有图片准备就绪，开始截图...')
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// 等待确保渲染完成
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setTimeout(async () => {
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const element = this.$el
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if (!element) {
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reject(new Error('找不到组件容器'))
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return
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}
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try {
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// 获取元素的所有可能尺寸
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const rect = element.getBoundingClientRect()
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const offsetWidth = element.offsetWidth
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const offsetHeight = element.offsetHeight
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const scrollWidth = element.scrollWidth
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const scrollHeight = element.scrollHeight
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const clientWidth = element.clientWidth
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const clientHeight = element.clientHeight
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// 计算实际需要的尺寸（取最大值确保完整）
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const elementWidth = Math.max(
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offsetWidth,
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scrollWidth,
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clientWidth,
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rect.width
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)
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const elementHeight = Math.max(
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offsetHeight,
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scrollHeight,
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clientHeight,
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rect.height
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)
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setTimeout(async () => {
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try {
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const result = await snapdom(element, {
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width: elementWidth,
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height: elementHeight,
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quality: 1,
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compress: false,
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// useProxy: true,
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})
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const canvas = await result.toCanvas()
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const dataUrl = canvas.toDataURL('image/jpeg')
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uni.hideLoading()
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// this.handleShareGenerated(dataUrl)
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this.$emit('share-generated', dataUrl)
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resolve()
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} catch (err) {
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uni.hideLoading()
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console.error('snapDOM截取失败:', err)
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uni.showToast({
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title: '图片生成失败，请稍后重试',
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icon: 'none',
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})
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reject(err)
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}
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}, 500)
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} catch (err) {
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uni.hideLoading()
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console.error('snapDOM初始化失败:', err)
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uni.showToast({
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title: '图片生成失败，请稍后重试',
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icon: 'none',
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})
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reject(err)
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}
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}, 1000)
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}
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// 开始等待图片加载
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waitForImages()
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})
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},
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},
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}
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</script>
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<style lang="scss" scoped>
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.special-share-page {
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position: relative;
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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/* 背景图片样式 */
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.share-bg-image {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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z-index: 1;
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}
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/* 加载状态 */
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.loading-container {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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display: flex;
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flex-direction: column;
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align-items: center;
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z-index: 2;
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}
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.loading-text {
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margin-top: 20rpx;
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font-size: 28rpx;
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color: #666;
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}
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.share-wrapper {
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position: absolute;
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z-index: 2;
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bottom: 22%;
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display: flex;
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flex-direction: column;
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align-items: center;
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}
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.portal-frame {
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padding: 32rpx;
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width: 520rpx;
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border-radius: 40rpx;
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display: flex;
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box-sizing: border-box;
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flex-direction: column;
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align-items: center;
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margin: 0 auto;
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opacity: 0;
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transform: translateY(20rpx);
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transition: all 0.3s ease;
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}
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.portal-frame.is-loaded {
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opacity: 1;
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transform: translateY(0);
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}
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/* 特殊场景二维码样式区域 - 用户自定义样式位置 */
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.qr-code-outer {
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width: 400rpx;
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height: 400rpx;
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border-radius: 20rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 12rpx;
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box-sizing: border-box;
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}
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.qr-code,
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.qr-code-placeholder {
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width: 100%;
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height: 100%;
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}
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.qr-code {
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border-radius: 16rpx;
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}
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.qr-code-placeholder {
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.loader {
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width: 100rpx;
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height: 100rpx;
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border: 8rpx solid rgba(0, 0, 0, 0.1);
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border-left-color: #0072ff;
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border-radius: 50%;
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animation: spin 1s linear infinite;
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}
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@keyframes spin {
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to {
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transform: rotate(360deg);
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}
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}
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/* 特殊场景会员编号样式区域 - 用户自定义样式位置 */
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.member-code-text {
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/* 用户可以在这里自定义会员编号的样式 */
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}
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/* 特殊场景下的会员编号样式 */
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.special-member-code-style {
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/* 用户可以在这里自定义特殊场景下的会员编号样式 */
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/* 例如：不同的位置、颜色、字体等 */
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}
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</style>
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