500 lines
12 KiB
Vue
500 lines
12 KiB
Vue
<template>
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<view :id="attrs.id" :class="'_'+name+' '+attrs.class" :style="attrs.style">
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<block v-for="(n, i) in childs" v-bind:key="i">
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<!-- 图片 -->
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<!-- 占位图 -->
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<image v-if="n.name=='img'&&((opts[1]&&!ctrl[i])||ctrl[i]<0)" class="_img" :style="n.attrs.style" :src="ctrl[i]<0?opts[2]:opts[1]" mode="widthFix" />
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<!-- 显示图片 -->
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<!-- #ifdef H5 || APP-PLUS -->
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<img v-if="n.name=='img'" :id="n.attrs.id" :class="'_img '+n.attrs.class" :style="(ctrl[i]==-1?'display:none;':'')+n.attrs.style" :src="n.attrs.src||(ctrl.load?n.attrs['data-src']:'')" :data-i="i" @load="imgLoad" @error="mediaError" @tap.stop="imgTap" @longpress="imgLongTap"/>
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<!-- #endif -->
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<!-- #ifndef H5 || APP-PLUS -->
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<image v-if="n.name=='img'" :id="n.attrs.id" :class="'_img '+n.attrs.class" :style="(ctrl[i]==-1?'display:none;':'')+'width:'+(ctrl[i]||1)+'px;height:1px;'+n.attrs.style" :src="n.attrs.src" :mode="n.h?'':'widthFix'" :lazy-load="opts[0]" :webp="n.webp" :show-menu-by-longpress="opts[3]&&!n.attrs.ignore" :image-menu-prevent="!opts[3]||n.attrs.ignore" :data-i="i" @load="imgLoad" @error="mediaError" @tap.stop="imgTap" @longpress="imgLongTap" />
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<!-- #endif -->
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<!-- 文本 -->
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<!-- #ifndef MP-BAIDU -->
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<text v-else-if="n.type=='text'" decode>{{n.text}}</text>
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<!-- #endif -->
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<text v-else-if="n.name=='br'">\n</text>
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<!-- 链接 -->
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<view v-else-if="n.name=='a'" :id="n.attrs.id" :class="(n.attrs.href?'_a ':'')+n.attrs.class" hover-class="_hover" :style="'display:inline;'+n.attrs.style" :data-i="i" @tap.stop="linkTap">
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<node name="span" :childs="n.children" :opts="opts" style="display:inherit" />
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</view>
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<!-- 视频 -->
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<!-- #ifdef APP-PLUS -->
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<view v-else-if="n.html" :id="n.attrs.id" :class="'_video '+n.attrs.class" :style="n.attrs.style" v-html="n.html" />
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<!-- #endif -->
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<!-- #ifndef APP-PLUS -->
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<video v-else-if="n.name=='video'" :id="n.attrs.id" :class="n.attrs.class" :style="n.attrs.style" :autoplay="n.attrs.autoplay" :controls="n.attrs.controls" :loop="n.attrs.loop" :muted="n.attrs.muted" :poster="n.attrs.poster" :src="n.src[ctrl[i]||0]" :data-i="i" @play="play" @error="mediaError" />
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<!-- #endif -->
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<!-- #ifdef H5 || APP-PLUS -->
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<iframe v-else-if="n.name=='iframe'" :style="n.attrs.style" :allowfullscreen="n.attrs.allowfullscreen" :frameborder="n.attrs.frameborder" :src="n.attrs.src" />
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<embed v-else-if="n.name=='embed'" :style="n.attrs.style" :src="n.attrs.src" />
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<!-- #endif -->
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<!-- #ifndef MP-TOUTIAO -->
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<!-- 音频 -->
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<audio v-else-if="n.name=='audio'" :id="n.attrs.id" :class="n.attrs.class" :style="n.attrs.style" :author="n.attrs.author" :controls="n.attrs.controls" :loop="n.attrs.loop" :name="n.attrs.name" :poster="n.attrs.poster" :src="n.src[ctrl[i]||0]" :data-i="i" @play="play" @error="mediaError" />
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<!-- #endif -->
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<view v-else-if="(n.name=='table'&&n.c)||n.name=='li'" :id="n.attrs.id" :class="'_'+n.name+' '+n.attrs.class" :style="n.attrs.style">
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<node v-if="n.name=='li'" :childs="n.children" :opts="opts" />
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<view v-else v-for="(tbody, x) in n.children" v-bind:key="x" :class="'_'+tbody.name+' '+tbody.attrs.class" :style="tbody.attrs.style">
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<node v-if="tbody.name=='td'||tbody.name=='th'" :childs="tbody.children" :opts="opts" />
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<block v-else v-for="(tr, y) in tbody.children" v-bind:key="y">
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<view v-if="tr.name=='td'||tr.name=='th'" :class="'_'+tr.name+' '+tr.attrs.class" :style="tr.attrs.style">
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<node :childs="tr.children" :opts="opts" />
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</view>
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<view v-else :class="'_'+tr.name+' '+tr.attrs.class" :style="tr.attrs.style">
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<view v-for="(td, z) in tr.children" v-bind:key="z" :class="'_'+td.name+' '+td.attrs.class" :style="td.attrs.style">
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<node :childs="td.children" :opts="opts" />
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</view>
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</view>
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</block>
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</view>
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</view>
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<!-- 富文本 -->
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<!-- #ifdef H5 || MP-WEIXIN || MP-QQ || APP-PLUS || MP-360 -->
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<rich-text v-else-if="handler.use(n)" :id="n.attrs.id" :style="n.f" :nodes="[n]" />
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<!-- #endif -->
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<!-- #ifndef H5 || MP-WEIXIN || MP-QQ || APP-PLUS || MP-360 -->
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<rich-text v-else-if="!n.c" :id="n.attrs.id" :style="n.f+';display:inline'" :preview="false" :nodes="[n]" />
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<!-- #endif -->
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<!-- 继续递归 -->
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<view v-else-if="n.c==2" :id="n.attrs.id" :class="'_'+n.name+' '+n.attrs.class" :style="n.f+';'+n.attrs.style">
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<node v-for="(n2, j) in n.children" v-bind:key="j" :style="n2.f" :name="n2.name" :attrs="n2.attrs" :childs="n2.children" :opts="opts" />
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</view>
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<node v-else :style="n.f" :name="n.name" :attrs="n.attrs" :childs="n.children" :opts="opts" />
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</block>
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</view>
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</template>
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<script module="handler" lang="wxs">
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// 行内标签列表
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var inlineTags = {
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abbr: true,
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b: true,
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big: true,
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code: true,
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del: true,
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em: true,
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i: true,
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ins: true,
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label: true,
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q: true,
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small: true,
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span: true,
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strong: true,
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sub: true,
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sup: true
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}
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/**
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* @description 是否使用 rich-text 显示剩余内容
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*/
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module.exports = {
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use: function (item) {
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// 微信和 QQ 的 rich-text inline 布局无效
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if (inlineTags[item.name] || (item.attrs.style || '').indexOf('display:inline') != -1)
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return false
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return !item.c
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}
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}
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</script>
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<script>
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import node from './node'
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export default {
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name: 'node',
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// #ifdef MP-WEIXIN
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options: {
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virtualHost: true
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},
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// #endif
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data() {
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return {
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ctrl: {}
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}
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},
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props: {
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name: String,
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attrs: {
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type: Object,
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default() {
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return {}
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}
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},
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childs: Array,
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opts: Array
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},
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components: {
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node
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},
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mounted() {
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for (this.root = this.$parent; this.root.$options.name != 'mp-html'; this.root = this.root.$parent);
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// #ifdef H5 || APP-PLUS
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if (this.opts[0]) {
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for (var i = this.childs.length; i--;)
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if (this.childs[i].name == 'img')
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break
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if (i != -1) {
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this.observer = uni.createIntersectionObserver(this).relativeToViewport({
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top: 500,
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bottom: 500
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})
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this.observer.observe('._img', res => {
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if (res.intersectionRatio) {
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this.$set(this.ctrl, 'load', 1)
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this.observer.disconnect()
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}
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})
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}
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}
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// #endif
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},
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beforeDestroy() {
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// #ifdef H5 || APP-PLUS
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if (this.observer)
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this.observer.disconnect()
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// #endif
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},
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methods:{
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// #ifdef MP-WEIXIN
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toJSON() { },
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// #endif
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/**
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* @description 播放视频事件
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* @param {Event} e
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*/
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play(e) {
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// #ifndef APP-PLUS
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if (this.root.pauseVideo) {
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var flag = false, id = e.target.id
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for (var i = this.root._videos.length; i--;) {
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if (this.root._videos[i].id == id)
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flag = true
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else
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this.root._videos[i].pause() // 自动暂停其他视频
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}
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// 将自己加入列表
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if (!flag) {
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var ctx = uni.createVideoContext(id
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// #ifndef MP-BAIDU
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, this
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// #endif
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)
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ctx.id = id
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this.root._videos.push(ctx)
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}
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}
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// #endif
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},
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/**
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* @description 图片点击事件
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* @param {Event} e
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*/
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imgTap(e) {
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var node = this.childs[e.currentTarget.dataset.i]
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if (node.a)
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return this.linkTap(node.a)
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if (node.attrs.ignore)
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return
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// #ifdef H5 || APP-PLUS
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node.attrs.src = node.attrs.src || node.attrs['data-src']
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// #endif
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this.root.$emit('imgTap', node.attrs)
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// 自动预览图片
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if (this.root.previewImg)
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uni.previewImage({
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current: parseInt(node.attrs.i),
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urls: this.root.imgList
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})
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},
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/**
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* @description 图片长按
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*/
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imgLongTap(e) {
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// #ifdef APP-PLUS
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var attrs = this.childs[e.currentTarget.dataset.i].attrs
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if (!attrs.ignore)
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uni.showActionSheet({
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itemList: ['保存图片'],
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success: () => {
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uni.downloadFile({
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url: this.root.imgList[attrs.i],
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success: res => {
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uni.saveImageToPhotosAlbum({
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filePath: res.tempFilePath,
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success() {
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uni.showToast({
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title: '保存成功'
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})
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}
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})
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}
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})
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}
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})
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// #endif
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},
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/**
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* @description 图片加载完成事件
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* @param {Event} e
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*/
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imgLoad(e) {
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var i = e.currentTarget.dataset.i
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// #ifndef H5 || APP-PLUS
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// 设置原宽度
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if (!this.childs[i].w)
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this.$set(this.ctrl, i, e.detail.width)
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else
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// #endif
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// 加载完毕，取消加载中占位图
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if ((this.opts[1] && !this.ctrl[i]) || this.ctrl[i] == -1)
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this.$set(this.ctrl, i, 1)
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},
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/**
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* @description 链接点击事件
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* @param {Event} e
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*/
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linkTap(e) {
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var attrs = e.currentTarget ? this.childs[e.currentTarget.dataset.i].attrs : e,
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href = attrs.href
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this.root.$emit('linkTap', attrs)
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if (href) {
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// 跳转锚点
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if (href[0] == '#')
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this.root.navigateTo(href.substring(1)).catch(() => { })
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// 复制外部链接
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else if (href.includes('://')) {
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if (this.root.copyLink) {
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// #ifdef H5
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window.open(href)
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// #endif
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// #ifdef MP
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uni.setClipboardData({
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data: href,
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success: () =>
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uni.showToast({
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title: '链接已复制'
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})
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})
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// #endif
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// #ifdef APP-PLUS
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plus.runtime.openWeb(href)
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// #endif
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}
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}
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// 跳转页面
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else
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uni.navigateTo({
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url: href,
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fail() {
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uni.switchTab({
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url: href,
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fail() { }
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})
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}
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})
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}
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},
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/**
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* @description 错误事件
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* @param {Event} e
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*/
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mediaError(e) {
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var i = e.currentTarget.dataset.i,
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node = this.childs[i]
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// 加载其他源
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if (node.name == 'video' || node.name == 'audio') {
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var index = (this.ctrl[i] || 0) + 1
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if (index > node.src.length)
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index = 0
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if (index < node.src.length)
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return this.$set(this.ctrl, i, index)
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}
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// 显示错误占位图
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else if (node.name == 'img' && this.opts[2])
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this.$set(this.ctrl, i, -1)
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if (this.root)
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this.root.$emit('error', {
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source: node.name,
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attrs: node.attrs,
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errMsg: e.detail.errMsg
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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>
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/* a 标签默认效果 */
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._a {
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padding: 1.5px 0 1.5px 0;
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color: #366092;
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word-break: break-all;
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}
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/* a 标签点击态效果 */
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._hover {
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text-decoration: underline;
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opacity: 0.7;
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}
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/* 图片默认效果 */
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._img {
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max-width: 100%;
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-webkit-touch-callout: none;
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}
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/* 内部样式 */
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._b,
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._strong {
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font-weight: bold;
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}
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._code {
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font-family: monospace;
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}
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._del {
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text-decoration: line-through;
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}
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._em,
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._i {
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font-style: italic;
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}
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._h1 {
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font-size: 2em;
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}
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._h2 {
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font-size: 1.5em;
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}
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._h3 {
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font-size: 1.17em;
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}
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._h5 {
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font-size: 0.83em;
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}
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._h6 {
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font-size: 0.67em;
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}
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._h1,
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._h2,
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._h3,
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._h4,
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._h5,
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._h6 {
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display: block;
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font-weight: bold;
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}
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._image {
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height: 1px;
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}
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._ins {
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text-decoration: underline;
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}
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._li {
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display: list-item;
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}
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._ol {
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list-style-type: decimal;
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}
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._ol,
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._ul {
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display: block;
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padding-left: 40px;
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margin: 1em 0;
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}
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._q::before {
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content: '"';
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}
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._q::after {
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content: '"';
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}
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._sub {
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font-size: smaller;
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vertical-align: sub;
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}
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._sup {
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font-size: smaller;
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vertical-align: super;
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}
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._thead,
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._tbody,
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._tfoot {
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display: table-row-group;
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}
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._tr {
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display: table-row;
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}
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._td,
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._th {
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display: table-cell;
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vertical-align: middle;
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}
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._th {
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font-weight: bold;
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text-align: center;
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}
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._ul {
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list-style-type: disc;
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}
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._ul ._ul {
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margin: 0;
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list-style-type: circle;
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}
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._ul ._ul ._ul {
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list-style-type: square;
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}
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._abbr,
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._b,
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._code,
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._del,
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._em,
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._i,
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._ins,
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._label,
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._q,
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._span,
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._strong,
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._sub,
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._sup {
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display: inline;
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}
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/* #ifdef APP-PLUS */
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._video {
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width: 300px;
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height: 225px;
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}
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/* #endif */
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</style>
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