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200 lines
5.9 KiB
200 lines
5.9 KiB
10 months ago
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<template>
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<view v-if="loading" :style="{
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width: windowWinth + 'px',
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height: windowHeight + 'px',
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backgroundColor: bgColor,
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position: 'absolute',
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left: left + 'px',
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top: top + 'px',
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zIndex: 9998,
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overflow: 'hidden'
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}"
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@touchmove.stop.prevent>
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<view v-for="(item, index) in RectNodes" :key="$u.guid()" :class="[animation ? 'skeleton-fade' : '']" :style="{
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width: item.width + 'px',
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height: item.height + 'px',
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backgroundColor: elColor,
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position: 'absolute',
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left: (item.left - left) + 'px',
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top: (item.top - top) + 'px'
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}"></view>
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<view v-for="(item, index) in circleNodes" :key="$u.guid()" :class="animation ? 'skeleton-fade' : ''" :style="{
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width: item.width + 'px',
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height: item.height + 'px',
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backgroundColor: elColor,
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borderRadius: item.width/2 + 'px',
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position: 'absolute',
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left: (item.left - left) + 'px',
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top: (item.top - top) + 'px'
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}"></view>
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<view v-for="(item, index) in filletNodes" :key="$u.guid()" :class="animation ? 'skeleton-fade' : ''" :style="{
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width: item.width + 'px',
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height: item.height + 'px',
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backgroundColor: elColor,
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borderRadius: borderRadius + 'rpx',
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position: 'absolute',
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left: (item.left - left) + 'px',
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top: (item.top - top) + 'px'
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}"></view>
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</view>
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</template>
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<script>
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/**
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* skeleton 骨架屏
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* @description 骨架屏一般用于页面在请求远程数据尚未完成时,页面用灰色块预显示本来的页面结构,给用户更好的体验。
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* @tutorial https://www.uviewui.com/components/skeleton.html
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* @property {String} el-color 骨架块状元素的背景颜色(默认#e5e5e5)
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* @property {String} bg-color 骨架组件背景颜色(默认#ffffff)
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* @property {Boolean} animation 骨架块是否显示动画效果(默认false)
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* @property {String Number} border-radius u-skeleton-fillet类名元素,对应的骨架块的圆角大小,单位rpx(默认10)
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* @property {Boolean} loading 是否显示骨架组件,请求完成后,将此值设置为false(默认true)
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* @example <u-skeleton :loading="true" :animation="true"></u-skeleton>
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*/
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export default {
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name: "u-skeleton",
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props: {
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// 需要渲染的元素背景颜色,十六进制或者rgb等都可以
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elColor: {
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type: String,
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default: '#e5e5e5'
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},
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// 整个骨架屏页面的背景颜色
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bgColor: {
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type: String,
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default: '#ffffff'
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},
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// 是否显示加载动画
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animation: {
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type: Boolean,
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default: false
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},
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// 圆角值,只对类名为u-skeleton-fillet的元素生效,为数值,不带单位
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borderRadius: {
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type: [String, Number],
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default: "10"
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},
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// 是否显示骨架,true-显示,false-隐藏
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loading: {
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type: Boolean,
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default: true
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}
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},
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data() {
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return {
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windowWinth: 750, // 骨架屏宽度
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windowHeight: 1500, // 骨架屏高度
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filletNodes: [], // 圆角元素
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circleNodes: [], // 圆形元素
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RectNodes: [], // 矩形元素
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top: 0,
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left: 0,
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}
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},
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methods: {
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// 查询各节点的信息
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selecterQueryInfo() {
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// 获取整个父组件容器的高度,当做骨架屏的高度
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// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
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let query = '';
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// #ifdef MP-WEIXIN
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query = uni.createSelectorQuery().in(this.$parent);
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// #endif
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// #ifndef MP-WEIXIN
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query = uni.createSelectorQuery()
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// #endif
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query.selectAll('.u-skeleton').boundingClientRect().exec((res) => {
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this.windowHeight = res[0][0].height;
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this.windowWinth = res[0][0].width;
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this.top = res[0][0].bottom - res[0][0].height;
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this.left = res[0][0].left;
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});
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// 矩形骨架元素
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this.getRectEls();
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// 圆形骨架元素
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this.getCircleEls();
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// 圆角骨架元素
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this.getFilletEls();
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},
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// 矩形元素列表
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getRectEls() {
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let query = '';
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// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
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// #ifdef MP-WEIXIN
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query = uni.createSelectorQuery().in(this.$parent);
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// #endif
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// #ifndef MP-WEIXIN
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query = uni.createSelectorQuery()
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// #endif
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query.selectAll('.u-skeleton-rect').boundingClientRect().exec((res) => {
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this.RectNodes = res[0];
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});
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},
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// 圆角元素列表
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getFilletEls() {
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let query = '';
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// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
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// #ifdef MP-WEIXIN
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query = uni.createSelectorQuery().in(this.$parent);
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// #endif
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// #ifndef MP-WEIXIN
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query = uni.createSelectorQuery()
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// #endif
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query.selectAll('.u-skeleton-fillet').boundingClientRect().exec((res) => {
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this.filletNodes = res[0];
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});
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},
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// 圆形元素列表
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getCircleEls() {
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let query = '';
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// 在微信小程序中,如果把骨架屏放入组件中使用的话,需要调in(this)上下文为父组件才有效
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// #ifdef MP-WEIXIN
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query = uni.createSelectorQuery().in(this.$parent);
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// #endif
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// #ifndef MP-WEIXIN
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query = uni.createSelectorQuery()
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// #endif
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query.selectAll('.u-skeleton-circle').boundingClientRect().exec((res) => {
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this.circleNodes = res[0];
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});
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}
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},
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// 组件被挂载
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mounted() {
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// 获取系统信息
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let systemInfo = uni.getSystemInfoSync();
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this.windowHeight = systemInfo.windowHeight;
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this.windowWinth = systemInfo.windowWidth;
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this.selecterQueryInfo();
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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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@import "../../libs/css/style.components.scss";
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.skeleton-fade {
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width: 100%;
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height: 100%;
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background: rgb(194, 207, 214);
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animation-duration: 1.5s;
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animation-name: blink;
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animation-timing-function: ease-in-out;
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animation-iteration-count: infinite;
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}
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@keyframes blink {
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0% {
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opacity: 1;
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}
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50% {
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opacity: 0.4;
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}
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100% {
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opacity: 1;
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}
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}
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</style>
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