init: llpreheat 学法送演唱会门票 H5项目
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lcj
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<template>
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<view class="content">
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<view class="page-header">
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<text class="header-back" @tap="goBack">‹</text>
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<text class="header-title">活动规则</text>
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</view>
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<view class="preview-wrap">
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<view class="loading-box" v-if="loading">
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<u-loading mode="circle" size="40"></u-loading>
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<text class="loading-text">内容加载中...</text>
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</view>
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<scroll-view class="doc-scroll" scroll-y v-if="!loading && !error">
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<rich-text class="doc-content" :nodes="htmlContent"></rich-text>
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<view style="height:30rpx;"></view>
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</scroll-view>
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<view class="error-box" v-if="error">
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<text class="error-text">{{ error }}</text>
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<button class="preview-btn" @tap="loadDoc">重新加载</button>
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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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export default {
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data() {
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return {
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docUrl: 'https://goldnar.hntgov.net/img/llpreheat_rules.docx',
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loading: false,
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error: '',
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htmlContent: ''
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}
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},
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onReady() {
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this.loadDoc()
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},
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methods: {
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goBack() {
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uni.navigateBack()
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},
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loadDoc() {
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this.loading = true
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this.error = ''
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this.htmlContent = ''
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this.ensureMammoth().then(() => {
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return this.fetchDocx(this.docUrl)
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}).then(arrayBuffer => {
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return window.mammoth.convertToHtml({
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arrayBuffer
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})
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}).then(result => {
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this.htmlContent = result.value || ''
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this.loading = false
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}).catch(err => {
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console.error('加载文档失败', err)
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this.loading = false
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this.error = '文档加载失败，请重试'
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})
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},
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ensureMammoth() {
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if (window.mammoth) return Promise.resolve()
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return new Promise((resolve, reject) => {
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const urls = [
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'/static/mammoth.browser.min.js',
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'https://unpkg.com/mammoth@1.6.0/mammoth.browser.min.js'
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]
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let i = 0
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const loadNext = () => {
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if (i >= urls.length) {
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reject(new Error('解析组件加载失败'))
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return
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}
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const s = document.createElement('script')
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s.src = urls[i++]
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s.onload = () => window.mammoth ? resolve() : loadNext()
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s.onerror = loadNext
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document.head.appendChild(s)
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}
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loadNext()
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})
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},
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fetchDocx(url) {
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return new Promise((resolve, reject) => {
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if (typeof fetch !== 'undefined') {
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fetch(url).then(res => {
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if (!res.ok) throw new Error('HTTP ' + res.status)
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return res.arrayBuffer()
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}).then(resolve).catch(() => this.downloadDocx(url).then(resolve).catch(reject))
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return
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}
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this.downloadDocx(url).then(resolve).catch(reject)
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})
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},
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downloadDocx(url) {
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return new Promise((resolve, reject) => {
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uni.downloadFile({
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url: url,
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success: (res) => {
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if (res.statusCode !== 200) {
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reject(new Error('下载失败'))
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return
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}
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uni.getFileSystemManager().readFile({
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filePath: res.tempFilePath,
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success: (r) => resolve(r.data),
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fail: () => {
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if (res.tempFilePath && typeof fetch !== 'undefined') {
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fetch(res.tempFilePath).then(r => r.arrayBuffer())
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.then(resolve).catch(reject)
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} else {
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reject(new Error('读取文件失败'))
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}
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}
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})
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},
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fail: reject
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})
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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">
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page {
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background-color: #F8F8F8;
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}
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.content {
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position: relative;
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display: flex;
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flex-direction: column;
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height: 100vh;
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height: 100dvh;
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}
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.page-header {
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display: flex;
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align-items: center;
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padding: 20rpx 30rpx;
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background: linear-gradient(135deg, #FD5401, #FF7A3D);
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flex-shrink: 0;
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}
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.header-back {
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font-size: 48rpx;
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color: #fff;
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line-height: 1;
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margin-right: 16rpx;
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padding: 0 10rpx;
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}
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.header-title {
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font-size: 30rpx;
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font-weight: 600;
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color: #fff;
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flex: 1;
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overflow: hidden;
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white-space: nowrap;
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text-overflow: ellipsis;
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}
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.preview-wrap {
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flex: 1;
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background: #fff;
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overflow: hidden;
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}
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.loading-box {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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height: 100%;
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}
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.loading-text {
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font-size: 26rpx;
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color: #999;
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margin-top: 20rpx;
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}
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.error-box {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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height: 100%;
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}
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.error-text {
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font-size: 26rpx;
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color: #999;
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margin-bottom: 30rpx;
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}
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.preview-btn {
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width: 300rpx;
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height: 76rpx;
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line-height: 76rpx;
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background: linear-gradient(135deg, #FD5401, #FF7A3D);
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color: #fff;
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font-size: 28rpx;
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font-weight: 600;
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border: none;
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border-radius: 38rpx;
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}
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.doc-scroll {
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height: 100%;
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padding: 20rpx 30rpx;
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box-sizing: border-box;
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}
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.doc-content {
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font-size: 28rpx;
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color: #333;
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line-height: 1.8;
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}
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</style>
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