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yuantao
2025-09-23 12:37:15 +08:00
commit 8cdba74982
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<template>
<view :id="attrs.id" :class="'_block _'+name+' '+attrs.class" :style="attrs.style">
<block v-for="(n, i) in childs" v-bind:key="i">
<!-- 图片 -->
<!-- 占位图 -->
<image v-if="n.name==='img'&&!n.t&&((opts[1]&&!ctrl[i])||ctrl[i]<0)" class="_img" :style="n.attrs.style" :src="ctrl[i]<0?opts[2]:opts[1]" mode="widthFix" />
<!-- 显示图片 -->
<!-- #ifdef H5 || (APP-PLUS && VUE2) -->
<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" />
<!-- #endif -->
<!-- #ifndef H5 || (APP-PLUS && VUE2) -->
<!-- 表格中的图片使用 rich-text 防止大小不正确 -->
<rich-text v-if="n.name==='img'&&n.t" :style="'display:'+n.t" :nodes="'<img class=\'_img\' style=\''+n.attrs.style+'\' src=\''+n.attrs.src+'\'>'" :data-i="i" @tap.stop="imgTap" />
<!-- #endif -->
<!-- #ifndef H5 || APP-PLUS -->
<image v-else-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':(!n.w?'heightFix':'')" :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" />
<!-- #endif -->
<!-- #ifdef APP-PLUS && VUE3 -->
<image v-else-if="n.name==='img'" :id="n.attrs.id" :class="'_img '+n.attrs.class" :style="(ctrl[i]===-1?'display:none;':'')+'width:'+(ctrl[i]||1)+'px;'+n.attrs.style" :src="n.attrs.src||(ctrl.load?n.attrs['data-src']:'')" :mode="!n.h?'widthFix':(!n.w?'heightFix':'')" :data-i="i" @load="imgLoad" @error="mediaError" @tap.stop="imgTap" @longpress="imgLongTap" />
<!-- #endif -->
<!-- 文本 -->
<!-- #ifdef MP-WEIXIN -->
<text v-else-if="n.text" :user-select="opts[4]=='force'&&isiOS" decode>{{n.text}}</text>
<!-- #endif -->
<!-- #ifndef MP-WEIXIN || MP-BAIDU || MP-ALIPAY || MP-TOUTIAO -->
<text v-else-if="n.text" decode>{{n.text}}</text>
<!-- #endif -->
<text v-else-if="n.name==='br'">\n</text>
<!-- 链接 -->
<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">
<node name="span" :childs="n.children" :opts="opts" style="display:inherit" />
</view>
<!-- 视频 -->
<!-- #ifdef APP-PLUS -->
<view v-else-if="n.html" :id="n.attrs.id" :class="'_video '+n.attrs.class" :style="n.attrs.style" v-html="n.html" @vplay.stop="play" />
<!-- #endif -->
<!-- #ifndef APP-PLUS -->
<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" :object-fit="n.attrs['object-fit']" :poster="n.attrs.poster" :src="n.src[ctrl[i]||0]" :data-i="i" @play="play" @error="mediaError" />
<!-- #endif -->
<!-- #ifdef H5 || APP-PLUS -->
<iframe v-else-if="n.name==='iframe'" :style="n.attrs.style" :allowfullscreen="n.attrs.allowfullscreen" :frameborder="n.attrs.frameborder" :src="n.attrs.src" />
<embed v-else-if="n.name==='embed'" :style="n.attrs.style" :src="n.attrs.src" />
<!-- #endif -->
<!-- #ifndef MP-TOUTIAO || ((H5 || APP-PLUS) && VUE3) -->
<!-- 音频 -->
<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" />
<!-- #endif -->
<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">
<node v-if="n.name==='li'" :childs="n.children" :opts="opts" />
<view v-else v-for="(tbody, x) in n.children" v-bind:key="x" :class="'_'+tbody.name+' '+tbody.attrs.class" :style="tbody.attrs.style">
<node v-if="tbody.name==='td'||tbody.name==='th'" :childs="tbody.children" :opts="opts" />
<block v-else v-for="(tr, y) in tbody.children" v-bind:key="y">
<view v-if="tr.name==='td'||tr.name==='th'" :class="'_'+tr.name+' '+tr.attrs.class" :style="tr.attrs.style">
<node :childs="tr.children" :opts="opts" />
</view>
<view v-else :class="'_'+tr.name+' '+tr.attrs.class" :style="tr.attrs.style">
<view v-for="(td, z) in tr.children" v-bind:key="z" :class="'_'+td.name+' '+td.attrs.class" :style="td.attrs.style">
<node :childs="td.children" :opts="opts" />
</view>
</view>
</block>
</view>
</view>
<!-- 富文本 -->
<!-- #ifdef H5 || ((MP-WEIXIN || MP-QQ || APP-PLUS || MP-360) && VUE2) -->
<rich-text v-else-if="!n.c&&!handler.isInline(n.name, n.attrs.style)" :id="n.attrs.id" :style="n.f" :user-select="opts[4]" :nodes="[n]" />
<!-- #endif -->
<!-- #ifndef H5 || ((MP-WEIXIN || MP-QQ || APP-PLUS || MP-360) && VUE2) -->
<rich-text v-else-if="!n.c" :id="n.attrs.id" :style="n.f+';display:inline'" :preview="false" :selectable="opts[4]" :user-select="opts[4]" :nodes="[n]" />
<!-- #endif -->
<!-- 继续递归 -->
<view v-else-if="n.c===2" :id="n.attrs.id" :class="'_block _'+n.name+' '+n.attrs.class" :style="n.f+';'+n.attrs.style">
<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" />
</view>
<node v-else :style="n.f" :name="n.name" :attrs="n.attrs" :childs="n.children" :opts="opts" />
</block>
</view>
</template>
<script module="handler" lang="wxs">
// 行内标签列表
var inlineTags = {
abbr: true,
b: true,
big: true,
code: true,
del: true,
em: true,
i: true,
ins: true,
label: true,
q: true,
small: true,
span: true,
strong: true,
sub: true,
sup: true
}
/**
* @description 判断是否为行内标签
*/
module.exports = {
isInline: function (tagName, style) {
return inlineTags[tagName] || (style || '').indexOf('display:inline') !== -1
}
}
</script>
<script>
import node from './node'
export default {
name: 'node',
options: {
// #ifdef MP-WEIXIN
virtualHost: true,
// #endif
// #ifdef MP-TOUTIAO
addGlobalClass: false
// #endif
},
data () {
return {
ctrl: {},
// #ifdef MP-WEIXIN
isiOS: uni.getDeviceInfo().system.includes('iOS')
// #endif
}
},
props: {
name: String,
attrs: {
type: Object,
default () {
return {}
}
},
childs: Array,
opts: Array
},
components: {
// #ifndef (H5 || APP-PLUS) && VUE3
node
// #endif
},
mounted () {
this.$nextTick(() => {
for (this.root = this.$parent; this.root.$options.name !== 'u-parse'; this.root = this.root.$parent);
})
// #ifdef H5 || APP-PLUS
if (this.opts[0]) {
let i
for (i = this.childs.length; i--;) {
if (this.childs[i].name === 'img') break
}
if (i !== -1) {
this.observer = uni.createIntersectionObserver(this).relativeToViewport({
top: 500,
bottom: 500
})
this.observer.observe('._img', res => {
if (res.intersectionRatio) {
this.$set(this.ctrl, 'load', 1)
this.observer.disconnect()
}
})
}
}
// #endif
},
beforeUnmount () {
// #ifdef H5 || APP-PLUS
if (this.observer) {
this.observer.disconnect()
}
// #endif
},
methods:{
// #ifdef MP-WEIXIN
toJSON () { return this },
// #endif
/**
* @description 播放视频事件
* @param {Event} e
*/
play (e) {
this.root.$emit('play')
// #ifndef APP-PLUS
if (this.root.pauseVideo) {
let flag = false
const id = e.target.id
for (let i = this.root._videos.length; i--;) {
if (this.root._videos[i].id === id) {
flag = true
} else {
this.root._videos[i].pause() // 自动暂停其他视频
}
}
// 将自己加入列表
if (!flag) {
const ctx = uni.createVideoContext(id
// #ifndef MP-BAIDU
, this
// #endif
)
ctx.id = id
if (this.root.playbackRate) {
ctx.playbackRate(this.root.playbackRate)
}
this.root._videos.push(ctx)
}
}
// #endif
},
/**
* @description 图片点击事件
* @param {Event} e
*/
imgTap (e) {
const node = this.childs[e.currentTarget.dataset.i]
if (node.a) {
this.linkTap(node.a)
return
}
if (node.attrs.ignore) return
// #ifdef H5 || APP-PLUS
node.attrs.src = node.attrs.src || node.attrs['data-src']
// #endif
this.root.$emit('imgTap', node.attrs)
// 自动预览图片
if (this.root.previewImg) {
uni.previewImage({
// #ifdef MP-WEIXIN
showmenu: this.root.showImgMenu,
// #endif
// #ifdef MP-ALIPAY
enablesavephoto: this.root.showImgMenu,
enableShowPhotoDownload: this.root.showImgMenu,
// #endif
current: parseInt(node.attrs.i),
urls: this.root.imgList
})
}
},
/**
* @description 图片长按
*/
imgLongTap (e) {
// #ifdef APP-PLUS
const attrs = this.childs[e.currentTarget.dataset.i].attrs
if (this.opts[3] && !attrs.ignore) {
uni.showActionSheet({
itemList: ['保存图片'],
success: () => {
const save = path => {
uni.saveImageToPhotosAlbum({
filePath: path,
success () {
uni.showToast({
title: '保存成功'
})
}
})
}
if (this.root.imgList[attrs.i].startsWith('http')) {
uni.downloadFile({
url: this.root.imgList[attrs.i],
success: res => save(res.tempFilePath)
})
} else {
save(this.root.imgList[attrs.i])
}
}
})
}
// #endif
},
/**
* @description 图片加载完成事件
* @param {Event} e
*/
imgLoad (e) {
const i = e.currentTarget.dataset.i
/* #ifndef H5 || (APP-PLUS && VUE2) */
if (!this.childs[i].w) {
// 设置原宽度
this.$set(this.ctrl, i, e.detail.width)
} else /* #endif */ if ((this.opts[1] && !this.ctrl[i]) || this.ctrl[i] === -1) {
// 加载完毕,取消加载中占位图
this.$set(this.ctrl, i, 1)
}
this.checkReady()
},
/**
* @description 检查是否所有图片加载完毕
*/
checkReady () {
if (!this.root.lazyLoad) {
this.root._unloadimgs -= 1
if (!this.root._unloadimgs) {
setTimeout(() => {
this.root.getRect().then(rect => {
this.root.$emit('ready', rect)
}).catch(() => {
this.root.$emit('ready', {})
})
}, 350)
}
}
},
/**
* @description 链接点击事件
* @param {Event} e
*/
linkTap (e) {
const node = e.currentTarget ? this.childs[e.currentTarget.dataset.i] : {}
const attrs = node.attrs || e
const href = attrs.href
this.root.$emit('linkTap', Object.assign({
innerText: this.root.getText(node.children || []) // 链接内的文本内容
}, attrs))
if (href) {
if (href[0] === '#') {
// 跳转锚点
this.root.navigateTo(href.substring(1)).catch(() => { })
} else if (href.split('?')[0].includes('://')) {
// 复制外部链接
if (this.root.copyLink) {
// #ifdef H5
window.open(href)
// #endif
// #ifdef MP
uni.setClipboardData({
data: href,
success: () =>
uni.showToast({
title: '链接已复制'
})
})
// #endif
// #ifdef APP-PLUS
plus.runtime.openWeb(href)
// #endif
}
} else {
// 跳转页面
uni.navigateTo({
url: href,
fail () {
uni.switchTab({
url: href,
fail () { }
})
}
})
}
}
},
/**
* @description 错误事件
* @param {Event} e
*/
mediaError (e) {
const i = e.currentTarget.dataset.i
const node = this.childs[i]
// 加载其他源
if (node.name === 'video' || node.name === 'audio') {
let index = (this.ctrl[i] || 0) + 1
if (index > node.src.length) {
index = 0
}
if (index < node.src.length) {
this.$set(this.ctrl, i, index)
return
}
} else if (node.name === 'img') {
// #ifdef H5 && VUE3
if (this.opts[0] && !this.ctrl.load) return
// #endif
// 显示错误占位图
if (this.opts[2]) {
this.$set(this.ctrl, i, -1)
}
this.checkReady()
}
if (this.root) {
this.root.$emit('error', {
source: node.name,
attrs: node.attrs,
// #ifndef H5 && VUE3
errMsg: e.detail.errMsg
// #endif
})
}
}
}
}
</script>
<style>
/* a 标签默认效果 */
._a {
padding: 1.5px 0 1.5px 0;
color: #366092;
/* #ifndef APP-NVUE */
word-break: break-all;
/* #endif */
}
/* a 标签点击态效果 */
._hover {
text-decoration: underline;
opacity: 0.7;
}
/* 图片默认效果 */
._img {
max-width: 100%;
-webkit-touch-callout: none;
}
/* 内部样式 */
._block {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
}
._b,
._strong {
font-weight: bold;
}
._code {
font-family: monospace;
}
._del {
text-decoration: line-through;
}
._em,
._i {
font-style: italic;
}
._h1 {
font-size: 2em;
}
._h2 {
font-size: 1.5em;
}
._h3 {
font-size: 1.17em;
}
._h5 {
font-size: 0.83em;
}
._h6 {
font-size: 0.67em;
}
._h1,
._h2,
._h3,
._h4,
._h5,
._h6 {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
font-weight: bold;
}
._image {
height: 1px;
}
._ins {
text-decoration: underline;
}
._li {
display: list-item;
}
._ol {
list-style-type: decimal;
}
._ol,
._ul {
/* #ifndef APP-NVUE */
display: block;
/* #endif */
padding-left: 40px;
margin: 1em 0;
}
._q::before {
content: '"';
}
._q::after {
content: '"';
}
._sub {
font-size: smaller;
vertical-align: sub;
}
._sup {
font-size: smaller;
vertical-align: super;
}
._thead,
._tbody,
._tfoot {
display: table-row-group;
}
._tr {
display: table-row;
}
._td,
._th {
display: table-cell;
vertical-align: middle;
}
._th {
font-weight: bold;
text-align: center;
}
._ul {
list-style-type: disc;
}
._ul ._ul {
margin: 0;
list-style-type: circle;
}
._ul ._ul ._ul {
list-style-type: square;
}
._abbr,
._b,
._code,
._del,
._em,
._i,
._ins,
._label,
._q,
._span,
._strong,
._sub,
._sup {
display: inline;
}
/* #ifdef APP-PLUS */
._video {
width: 300px;
height: 225px;
}
/* #endif */
</style>

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/*
* @Author : LQ
* @Description :
* @version : 1.0
* @Date : 2021-08-20 16:44:21
* @LastAuthor : LQ
* @lastTime : 2021-08-20 17:17:33
* @FilePath : /u-view2.0/uview-ui/libs/config/props/parse.js
*/
export default {
// parse
parse: {
copyLink: true,
errorImg: '',
lazyLoad: false,
loadingImg: '',
pauseVideo: true,
previewImg: true,
setTitle: true,
showImgMenu: true
}
}

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import { defineMixin } from '../../libs/vue'
import defProps from '../../libs/config/props.js'
export const props = defineMixin({
props: {
containerStyle: {
type: String,
default: null
},
content: String,
copyLink: {
type: Boolean,
default: () => defProps.parse.copyLink
},
domain: String,
errorImg: {
type: String,
default: () => defProps.parse.errorImg
},
lazyLoad: {
type: Boolean,
default: () => defProps.parse.lazyLoad
},
loadingImg: {
type: String,
default: () => defProps.parse.loadingImg
},
pauseVideo: {
type: Boolean,
default: () => defProps.parse.pauseVideo
},
previewImg: {
type: Boolean,
default: () => defProps.parse.previewImg
},
scrollTable: Boolean,
selectable: Boolean,
setTitle: {
type: Boolean,
default: () => defProps.parse.setTitle
},
showImgMenu: {
type: Boolean,
default: () => defProps.parse.showImgMenu
},
tagStyle: Object,
useAnchor: null
}
}

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<template>
<view id="_root" :class="(selectable ? '_select ' : '') + '_root'" :style="containerStyle">
<slot v-if="!nodes[0]" />
<!-- #ifndef APP-PLUS-NVUE -->
<node v-else :childs="nodes" :opts="[lazyLoad, loadingImg, errorImg, showImgMenu, selectable]" name="span" />
<!-- #endif -->
<!-- #ifdef APP-PLUS-NVUE -->
<web-view ref="web" src="/static/app-plus/mp-html/local.html" :style="'margin-top:-2px;height:' + height + 'px'" @onPostMessage="_onMessage" />
<!-- #endif -->
</view>
</template>
<script>
/**
* mp-html v2.4.1
* @description 富文本组件
* @tutorial https://github.com/jin-yufeng/mp-html
* @property {String} container-style 容器的样式
* @property {String} content 用于渲染的 html 字符串
* @property {Boolean} copy-link 是否允许外部链接被点击时自动复制
* @property {String} domain 主域名,用于拼接链接
* @property {String} error-img 图片出错时的占位图链接
* @property {Boolean} lazy-load 是否开启图片懒加载
* @property {string} loading-img 图片加载过程中的占位图链接
* @property {Boolean} pause-video 是否在播放一个视频时自动暂停其他视频
* @property {Boolean} preview-img 是否允许图片被点击时自动预览
* @property {Boolean} scroll-table 是否给每个表格添加一个滚动层使其能单独横向滚动
* @property {Boolean | String} selectable 是否开启长按复制
* @property {Boolean} set-title 是否将 title 标签的内容设置到页面标题
* @property {Boolean} show-img-menu 是否允许图片被长按时显示菜单
* @property {Object} tag-style 标签的默认样式
* @property {Boolean | Number} use-anchor 是否使用锚点链接
* @event {Function} load dom 结构加载完毕时触发
* @event {Function} ready 所有图片加载完毕时触发
* @event {Function} imgTap 图片被点击时触发
* @event {Function} linkTap 链接被点击时触发
* @event {Function} play 音视频播放时触发
* @event {Function} error 媒体加载出错时触发
*/
// #ifndef APP-PLUS-NVUE
import node from './node/node'
// #endif
import Parser from './parser'
const plugins = []
// #ifdef APP-PLUS-NVUE
const dom = weex.requireModule('dom')
// #endif
export default {
name: 'u-parse',
data() {
return {
nodes: [],
// #ifdef APP-PLUS-NVUE
height: 3
// #endif
}
},
props: {
containerStyle: {
type: String,
default: ''
},
content: {
type: String,
default: ''
},
copyLink: {
type: [Boolean, String],
default: true
},
domain: String,
errorImg: {
type: String,
default: ''
},
lazyLoad: {
type: [Boolean, String],
default: false
},
loadingImg: {
type: String,
default: ''
},
pauseVideo: {
type: [Boolean, String],
default: true
},
previewImg: {
type: [Boolean, String],
default: true
},
scrollTable: [Boolean, String],
selectable: [Boolean, String],
setTitle: {
type: [Boolean, String],
default: true
},
showImgMenu: {
type: [Boolean, String],
default: true
},
tagStyle: Object,
useAnchor: [Boolean, Number]
},
// #ifdef VUE3
emits: ['load', 'ready', 'imgTap', 'linkTap', 'play', 'error'],
// #endif
// #ifndef APP-PLUS-NVUE
components: {
node
},
// #endif
watch: {
content(content) {
this.setContent(content)
}
},
created() {
this.plugins = []
for (let i = plugins.length; i--;) {
this.plugins.push(new plugins[i](this))
}
},
mounted() {
if (this.content && !this.nodes.length) {
this.setContent(this.content)
}
},
beforeUnmount() {
this._hook('onDetached')
},
methods: {
/**
* @description 将锚点跳转的范围限定在一个 scroll-view 内
* @param {Object} page scroll-view 所在页面的示例
* @param {String} selector scroll-view 的选择器
* @param {String} scrollTop scroll-view scroll-top 属性绑定的变量名
*/
in(page, selector, scrollTop) {
// #ifndef APP-PLUS-NVUE
if (page && selector && scrollTop) {
this._in = {
page,
selector,
scrollTop
}
}
// #endif
},
/**
* @description 锚点跳转
* @param {String} id 要跳转的锚点 id
* @param {Number} offset 跳转位置的偏移量
* @returns {Promise}
*/
navigateTo(id, offset) {
return new Promise((resolve, reject) => {
if (!this.useAnchor) {
reject(Error('Anchor is disabled'))
return
}
offset = offset || parseInt(this.useAnchor) || 0
// #ifdef APP-PLUS-NVUE
if (!id) {
dom.scrollToElement(this.$refs.web, {
offset
})
resolve()
} else {
this._navigateTo = {
resolve,
reject,
offset
}
this.$refs.web.evalJs('uni.postMessage({data:{action:"getOffset",offset:(document.getElementById(' + id + ')||{}).offsetTop}})')
}
// #endif
// #ifndef APP-PLUS-NVUE
let deep = ' '
// #ifdef MP-WEIXIN || MP-QQ || MP-TOUTIAO
deep = '>>>'
// #endif
const selector = uni.createSelectorQuery()
// #ifndef MP-ALIPAY
.in(this._in ? this._in.page : this)
// #endif
.select((this._in ? this._in.selector : '._root') + (id ? `${deep}#${id}` : '')).boundingClientRect()
if (this._in) {
selector.select(this._in.selector).scrollOffset()
.select(this._in.selector).boundingClientRect()
} else {
// 获取 scroll-view 的位置和滚动距离
selector.selectViewport().scrollOffset() // 获取窗口的滚动距离
}
selector.exec(res => {
if (!res[0]) {
reject(Error('Label not found'))
return
}
const scrollTop = res[1].scrollTop + res[0].top - (res[2] ? res[2].top : 0) + offset
if (this._in) {
// scroll-view 跳转
this._in.page[this._in.scrollTop] = scrollTop
} else {
// 页面跳转
uni.pageScrollTo({
scrollTop,
duration: 300
})
}
resolve()
})
// #endif
})
},
/**
* @description 获取文本内容
* @return {String}
*/
getText(nodes) {
let text = '';
(function traversal(nodes) {
for (let i = 0; i < nodes.length; i++) {
const node = nodes[i]
if (node.type === 'text') {
text += node.text.replace(/&amp;/g, '&')
} else if (node.name === 'br') {
text += '\n'
} else {
// 块级标签前后加换行
const isBlock = node.name === 'p' || node.name === 'div' || node.name === 'tr' || node.name === 'li' || (node.name[0] === 'h' && node.name[1] > '0' && node.name[1] < '7')
if (isBlock && text && text[text.length - 1] !== '\n') {
text += '\n'
}
// 递归获取子节点的文本
if (node.children) {
traversal(node.children)
}
if (isBlock && text[text.length - 1] !== '\n') {
text += '\n'
} else if (node.name === 'td' || node.name === 'th') {
text += '\t'
}
}
}
})(nodes || this.nodes)
return text
},
/**
* @description 获取内容大小和位置
* @return {Promise}
*/
getRect() {
return new Promise((resolve, reject) => {
uni.createSelectorQuery()
// #ifndef MP-ALIPAY
.in(this)
// #endif
.select('#_root').boundingClientRect().exec(res => res[0] ? resolve(res[0]) : reject(Error('Root label not found')))
})
},
/**
* @description 暂停播放媒体
*/
pauseMedia() {
for (let i = (this._videos || []).length; i--;) {
this._videos[i].pause()
}
// #ifdef APP-PLUS
const command = 'for(var e=document.getElementsByTagName("video"),i=e.length;i--;)e[i].pause()'
// #ifndef APP-PLUS-NVUE
let page = this.$parent
while (!page.$scope) page = page.$parent
page.$scope.$getAppWebview().evalJS(command)
// #endif
// #ifdef APP-PLUS-NVUE
this.$refs.web.evalJs(command)
// #endif
// #endif
},
/**
* @description 设置媒体播放速率
* @param {Number} rate 播放速率
*/
setPlaybackRate(rate) {
this.playbackRate = rate
for (let i = (this._videos || []).length; i--;) {
this._videos[i].playbackRate(rate)
}
// #ifdef APP-PLUS
const command = 'for(var e=document.getElementsByTagName("video"),i=e.length;i--;)e[i].playbackRate=' + rate
// #ifndef APP-PLUS-NVUE
let page = this.$parent
while (!page.$scope) page = page.$parent
page.$scope.$getAppWebview().evalJS(command)
// #endif
// #ifdef APP-PLUS-NVUE
this.$refs.web.evalJs(command)
// #endif
// #endif
},
/**
* @description 设置内容
* @param {String} content html 内容
* @param {Boolean} append 是否在尾部追加
*/
setContent(content, append) {
if (!append || !this.imgList) {
this.imgList = []
}
const nodes = new Parser(this).parse(content)
// #ifdef APP-PLUS-NVUE
if (this._ready) {
this._set(nodes, append)
}
// #endif
this.$set(this, 'nodes', append ? (this.nodes || []).concat(nodes) : nodes)
// #ifndef APP-PLUS-NVUE
this._videos = []
this.$nextTick(() => {
this._hook('onLoad')
this.$emit('load')
})
if (this.lazyLoad || this.imgList._unloadimgs < this.imgList.length / 2) {
// 设置懒加载,每 350ms 获取高度,不变则认为加载完毕
let height = 0
const callback = rect => {
if (!rect || !rect.height) rect = {}
// 350ms 总高度无变化就触发 ready 事件
if (rect.height === height) {
this.$emit('ready', rect)
} else {
height = rect.height
setTimeout(() => {
this.getRect().then(callback).catch(callback)
}, 350)
}
}
this.getRect().then(callback).catch(callback)
} else {
// 未设置懒加载,等待所有图片加载完毕
if (!this.imgList._unloadimgs) {
this.getRect().then(rect => {
this.$emit('ready', rect)
}).catch(() => {
this.$emit('ready', {})
})
}
}
// #endif
},
/**
* @description 调用插件钩子函数
*/
_hook(name) {
for (let i = plugins.length; i--;) {
if (this.plugins[i][name]) {
this.plugins[i][name]()
}
}
},
// #ifdef APP-PLUS-NVUE
/**
* @description 设置内容
*/
_set(nodes, append) {
this.$refs.web.evalJs('setContent(' + JSON.stringify(nodes).replace(/%22/g, '') + ',' + JSON.stringify([this.containerStyle.replace(/(?:margin|padding)[^;]+/g, ''), this.errorImg, this.loadingImg, this.pauseVideo, this.scrollTable, this.selectable]) + ',' + append + ')')
},
/**
* @description 接收到 web-view 消息
*/
_onMessage(e) {
const message = e.detail.data[0]
switch (message.action) {
// web-view 初始化完毕
case 'onJSBridgeReady':
this._ready = true
if (this.nodes) {
this._set(this.nodes)
}
break
// 内容 dom 加载完毕
case 'onLoad':
this.height = message.height
this._hook('onLoad')
this.$emit('load')
break
// 所有图片加载完毕
case 'onReady':
this.getRect().then(res => {
this.$emit('ready', res)
}).catch(() => {
this.$emit('ready', {})
})
break
// 总高度发生变化
case 'onHeightChange':
this.height = message.height
break
// 图片点击
case 'onImgTap':
this.$emit('imgTap', message.attrs)
if (this.previewImg) {
uni.previewImage({
current: parseInt(message.attrs.i),
urls: this.imgList
})
}
break
// 链接点击
case 'onLinkTap': {
const href = message.attrs.href
this.$emit('linkTap', message.attrs)
if (href) {
// 锚点跳转
if (href[0] === '#') {
if (this.useAnchor) {
dom.scrollToElement(this.$refs.web, {
offset: message.offset
})
}
} else if (href.includes('://')) {
// 打开外链
if (this.copyLink) {
plus.runtime.openWeb(href)
}
} else {
uni.navigateTo({
url: href,
fail() {
uni.switchTab({
url: href
})
}
})
}
}
break
}
case 'onPlay':
this.$emit('play')
break
// 获取到锚点的偏移量
case 'getOffset':
if (typeof message.offset === 'number') {
dom.scrollToElement(this.$refs.web, {
offset: message.offset + this._navigateTo.offset
})
this._navigateTo.resolve()
} else {
this._navigateTo.reject(Error('Label not found'))
}
break
// 点击
case 'onClick':
this.$emit('tap')
this.$emit('click')
break
// 出错
case 'onError':
this.$emit('error', {
source: message.source,
attrs: message.attrs
})
}
}
// #endif
}
}
</script>
<style>
/* #ifndef APP-PLUS-NVUE */
/* 根节点样式 */
._root {
padding: 1px 0;
overflow-x: auto;
overflow-y: hidden;
-webkit-overflow-scrolling: touch;
}
/* 长按复制 */
._select {
user-select: text;
}
/* #endif */
</style>