Initial commit: MSH System\n\n- msh_single_uniapp: Vue 2 + UniApp 前端(微信小程序/H5/App/支付宝小程序)\n- msh_crmeb_22: Spring Boot 2.2 后端(C端API/管理端/业务逻辑)\n- models-integration: AI服务集成(Coze/KieAI/腾讯ASR)\n- docs: 产品文档与设计稿

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2026-02-28 05:40:21 +08:00
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<!--
parser 主模块组件
githubhttps://github.com/jin-yufeng/Parser
docshttps://jin-yufeng.github.io/Parser
插件市场https://ext.dcloud.net.cn/plugin?id=805
authorJinYufeng
update2020/04/14
-->
<template>
<view>
<slot v-if="!nodes.length" />
<!--#ifdef APP-PLUS-NVUE-->
<web-view id="top" ref="web" :src="src" :style="'margin-top:-2px;height:'+height+'px'" @onPostMessage="_message" />
<!--#endif-->
<!--#ifndef APP-PLUS-NVUE-->
<view id="top" :style="showAm+(selectable?';user-select:text;-webkit-user-select:text':'')" :animation="scaleAm" @tap="_tap"
@touchstart="_touchstart" @touchmove="_touchmove">
<!--#ifdef H5-->
<div :id="'rtf'+uid"></div>
<!--#endif-->
<!--#ifndef H5-->
<trees :nodes="nodes" :lazy-load="lazyLoad" :loadVideo="loadVideo" />
<image v-for="(item, index) in imgs" v-bind:key="index" :id="index" :src="item" hidden @load="_load" />
<!--#endif-->
</view>
<!--#endif-->
</view>
</template>
<script>
// #ifndef H5 || APP-PLUS-NVUE
import trees from './libs/trees';
var cache = {},
// #ifdef MP-WEIXIN || MP-TOUTIAO
fs = uni.getFileSystemManager ? uni.getFileSystemManager() : null,
// #endif
Parser = require('./libs/MpHtmlParser.js');
var document; // document 补丁包 https://jin-yufeng.github.io/Parser/#/instructions?id=document
// 计算 cache 的 key
function hash(str) {
for (var i = str.length, val = 5381; i--;)
val += (val << 5) + str.charCodeAt(i);
return val;
}
// #endif
// #ifdef H5 || APP-PLUS-NVUE
var rpx = uni.getSystemInfoSync().screenWidth / 750,
cfg = require('./libs/config.js');
// #endif
// #ifdef APP-PLUS-NVUE
var dom = weex.requireModule('dom');
// #endif
export default {
name: 'parser',
data() {
return {
// #ifdef APP-PLUS
loadVideo: false,
// #endif
// #ifdef H5
uid: this._uid,
// #endif
// #ifdef APP-PLUS-NVUE
src: '',
height: 1,
// #endif
// #ifndef APP-PLUS-NVUE
scaleAm: '',
showAm: '',
imgs: [],
// #endif
nodes: []
}
},
// #ifndef H5 || APP-PLUS-NVUE
components: {
trees
},
// #endif
props: {
'html': null,
// #ifndef MP-ALIPAY
'autopause': {
type: Boolean,
default: true
},
// #endif
'autosetTitle': {
type: Boolean,
default: true
},
// #ifndef H5 || APP-PLUS-NVUE
'compress': Number,
'useCache': Boolean,
'xml': Boolean,
// #endif
'domain': String,
// #ifndef MP-BAIDU || MP-ALIPAY || APP-PLUS
'gestureZoom': Boolean,
// #endif
// #ifdef MP-WEIXIN || MP-QQ || H5 || APP-PLUS
'lazyLoad': Boolean,
// #endif
'selectable': Boolean,
'tagStyle': Object,
'showWithAnimation': Boolean,
'useAnchor': Boolean
},
watch: {
html(html) {
this.setContent(html);
}
},
mounted() {
// 图片数组
this.imgList = [];
this.imgList.each = function(f) {
for (var i = 0, len = this.length; i < len; i++)
this.setItem(i, f(this[i], i, this));
}
this.imgList.setItem = function(i, src) {
if (i == void 0 || !src) return;
// #ifndef MP-ALIPAY || APP-PLUS
// 去重
if (src.indexOf('http') == 0 && this.includes(src)) {
var newSrc = '';
for (var j = 0, c; c = src[j]; j++) {
if (c == '/' && src[j - 1] != '/' && src[j + 1] != '/') break;
newSrc += Math.random() > 0.5 ? c.toUpperCase() : c;
}
newSrc += src.substr(j);
return this[i] = newSrc;
}
// #endif
this[i] = src;
// 暂存 data src
if (src.includes('data:image')) {
var filePath, info = src.match(/data:image\/(\S+?);(\S+?),(.+)/);
if (!info) return;
// #ifdef MP-WEIXIN || MP-TOUTIAO
filePath = `${wx.env.USER_DATA_PATH}/${Date.now()}.${info[1]}`;
fs && fs.writeFile({
filePath,
data: info[3],
encoding: info[2],
success: () => this[i] = filePath
})
// #endif
// #ifdef APP-PLUS
filePath = `_doc/parser_tmp/${Date.now()}.${info[1]}`;
var bitmap = new plus.nativeObj.Bitmap();
bitmap.loadBase64Data(src, () => {
bitmap.save(filePath, {}, () => {
bitmap.clear()
this[i] = filePath;
})
})
// #endif
}
}
if (this.html) this.setContent(this.html);
},
beforeDestroy() {
// #ifdef H5
if (this._observer) this._observer.disconnect();
// #endif
this.imgList.each(src => {
// #ifdef APP-PLUS
if (src && src.includes('_doc')) {
plus.io.resolveLocalFileSystemURL(src, entry => {
entry.remove();
});
}
// #endif
// #ifdef MP-WEIXIN || MP-TOUTIAO
if (src && src.includes(uni.env.USER_DATA_PATH))
fs && fs.unlink({
filePath: src
})
// #endif
})
clearInterval(this._timer);
},
methods: {
// #ifdef H5 || APP-PLUS-NVUE
_Dom2Str(nodes) {
var str = '';
for (var node of nodes) {
if (node.type == 'text')
str += node.text;
else {
str += ('<' + node.name);
for (var attr in node.attrs || {})
str += (' ' + attr + '="' + node.attrs[attr] + '"');
if (!node.children || !node.children.length) str += '>';
else str += ('>' + this._Dom2Str(node.children) + '</' + node.name + '>');
}
}
return str;
},
_handleHtml(html, append) {
if (typeof html != 'string') html = this._Dom2Str(html.nodes || html);
// 处理 rpx
if (html.includes('rpx'))
html = html.replace(/[0-9.]+\s*rpx/g, $ => parseFloat($) * rpx + 'px');
if (!append) {
// 处理 tag-style 和 userAgentStyles
var style = '<style>@keyframes show{0%{opacity:0}100%{opacity:1}}';
for (var item in cfg.userAgentStyles)
style += `${item}{${cfg.userAgentStyles[item]}}`;
for (item in this.tagStyle)
style += `${item}{${this.tagStyle[item]}}`;
style += '</style>';
html = style + html;
}
return html;
},
// #endif
setContent(html, append) {
// #ifdef APP-PLUS-NVUE
if (!html) {
this.src = '';
this.height = 1;
return;
}
if (append) return;
plus.io.resolveLocalFileSystemURL('_doc', entry => {
entry.getDirectory('parser_tmp', {
create: true
}, entry => {
var fileName = Date.now() + '.html';
entry.getFile(fileName, {
create: true
}, entry => {
entry.createWriter(writer => {
writer.onwriteend = () => {
this.nodes = [1];
this.src = '_doc/parser_tmp/' + fileName;
this.$nextTick(function() {
entry.remove();
})
}
html =
'<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1' +
(this.selectable ? '' : ',user-scalable=no') +
'"><script type="text/javascript" src="https://js.cdn.aliyun.dcloud.net.cn/dev/uni-app/uni.webview.1.5.2.js"></' +
'script><base href="' + this.domain + '">' + this._handleHtml(html) +
'<script>"use strict";function post(t){uni.postMessage({data:t})}' +
(this.showWithAnimation ? 'document.body.style.animation="show .5s",' : '') +
'document.addEventListener("UniAppJSBridgeReady",function(){post({action:"load",text:document.body.innerText});var t=document.getElementsByTagName("title");t.length&&post({action:"getTitle",title:t[0].innerText});for(var e,o=document.getElementsByTagName("img"),n=[],i=0,r=0;e=o[i];i++)e.onerror=function(){post({action:"error",source:"img",target:this})},e.hasAttribute("ignore")||"A"==e.parentElement.nodeName||(e.i=r++,n.push(e.src),e.onclick=function(){post({action:"preview",img:{i:this.i,src:this.src}})});post({action:"getImgList",imgList:n});for(var a,s=document.getElementsByTagName("a"),c=0;a=s[c];c++)a.onclick=function(){var t,e=this.getAttribute("href");if("#"==e[0]){var r=document.getElementById(e.substr(1));r&&(t=r.offsetTop)}return post({action:"linkpress",href:e,offset:t}),!1};;for(var u,m=document.getElementsByTagName("video"),d=0;u=m[d];d++)u.style.maxWidth="100%",u.onerror=function(){post({action:"error",source:"video",target:this})}' +
(this.autopause ? ',u.onplay=function(){for(var t,e=0;t=m[e];e++)t!=this&&t.pause()}' : '') +
';for(var g,l=document.getElementsByTagName("audio"),p=0;g=l[p];p++)g.onerror=function(){post({action:"error",source:"audio",target:this})};window.onload=function(){post({action:"ready",height:document.body.scrollHeight})}});</' +
'script>';
writer.write(html);
});
})
})
})
// #endif
// #ifdef H5
if (!html) {
if (this.rtf && !append) this.rtf.parentNode.removeChild(this.rtf);
return;
}
var div = document.createElement('div');
if (!append) {
if (this.rtf) this.rtf.parentNode.removeChild(this.rtf);
this.rtf = div;
} else {
if (!this.rtf) this.rtf = div;
else this.rtf.appendChild(div);
}
div.innerHTML = this._handleHtml(html, append);
for (var styles = this.rtf.getElementsByTagName('style'), i = 0, style; style = styles[i++];) {
style.innerHTML = style.innerHTML.replace(/body/g, '#rtf' + this._uid);
style.setAttribute('scoped', 'true');
}
// 懒加载
if (!this._observer && this.lazyLoad && IntersectionObserver) {
this._observer = new IntersectionObserver(changes => {
for (let item, i = 0; item = changes[i++];) {
if (item.isIntersecting) {
item.target.src = item.target.getAttribute('data-src');
item.target.removeAttribute('data-src');
this._observer.unobserve(item.target);
}
}
}, {
rootMargin: '900px 0px 900px 0px'
})
}
var _ts = this;
// 获取标题
var title = this.rtf.getElementsByTagName('title');
if (title.length && this.autosetTitle)
uni.setNavigationBarTitle({
title: title[0].innerText
})
// 图片处理
this.imgList.length = 0;
var imgs = this.rtf.getElementsByTagName('img');
for (let i = 0, j = 0, img; img = imgs[i]; i++) {
img.style.maxWidth = '100%';
var src = img.getAttribute('src');
if (this.domain && src) {
if (src[0] == '/') {
if (src[1] == '/')
img.src = (this.domain.includes('://') ? this.domain.split('://')[0] : '') + ':' + src;
else img.src = this.domain + src;
} else if (!src.includes('://')) img.src = this.domain + '/' + src;
}
if (!img.hasAttribute('ignore') && img.parentElement.nodeName != 'A') {
img.i = j++;
_ts.imgList.push(img.src || img.getAttribute('data-src'));
img.onclick = function() {
var preview = true;
this.ignore = () => preview = false;
_ts.$emit('imgtap', this);
if (preview) {
uni.previewImage({
current: this.i,
urls: _ts.imgList
});
}
}
}
img.onerror = function() {
_ts.$emit('error', {
source: 'img',
target: this
});
}
if (_ts.lazyLoad && this._observer && img.src && img.i != 0) {
img.setAttribute('data-src', img.src);
img.removeAttribute('src');
this._observer.observe(img);
}
}
// 链接处理
var links = this.rtf.getElementsByTagName('a');
for (var link of links) {
link.onclick = function() {
var jump = true,
href = this.getAttribute('href');
_ts.$emit('linkpress', {
href,
ignore: () => jump = false
});
if (jump && href) {
if (href[0] == '#') {
if (_ts.useAnchor) {
_ts.navigateTo({
id: href.substr(1)
})
}
} else if (href.indexOf('http') == 0 || href.indexOf('//') == 0)
return true;
else {
uni.navigateTo({
url: href
})
}
}
return false;
}
}
// 视频处理
var videos = this.rtf.getElementsByTagName('video');
_ts.videoContexts = videos;
for (let video, i = 0; video = videos[i++];) {
video.style.maxWidth = '100%';
video.onerror = function() {
_ts.$emit('error', {
source: 'video',
target: this
});
}
video.onplay = function() {
if (_ts.autopause)
for (let item, i = 0; item = _ts.videoContexts[i++];)
if (item != this) item.pause();
}
}
// 音频处理
var audios = this.rtf.getElementsByTagName('audios');
for (var audio of audios)
audio.onerror = function() {
_ts.$emit('error', {
source: 'audio',
target: this
});
}
this.document = this.rtf;
if (!append) document.getElementById('rtf' + this._uid).appendChild(this.rtf);
this.$nextTick(() => {
this.nodes = [1];
this.$emit('load');
})
setTimeout(() => this.showAm = '', 500);
// #endif
// #ifndef H5 || APP-PLUS-NVUE
var nodes;
if (!html)
return this.nodes = [];
else if (typeof html == 'string') {
let parser = new Parser(html, this);
// 缓存读取
if (this.useCache) {
var hashVal = hash(html);
if (cache[hashVal])
nodes = cache[hashVal];
else {
nodes = parser.parse();
cache[hashVal] = nodes;
}
} else nodes = parser.parse();
this.$emit('parse', nodes);
} else if (Object.prototype.toString.call(html) == '[object Array]') {
// 非本插件产生的 array 需要进行一些转换
if (html.length && html[0].PoweredBy != 'Parser') {
let parser = new Parser(html, this);
(function f(ns) {
for (var i = 0, n; n = ns[i]; i++) {
if (n.type == 'text') continue;
n.attrs = n.attrs || {};
for (var item in n.attrs)
if (typeof n.attrs[item] != 'string') n.attrs[item] = n.attrs[item].toString();
parser.matchAttr(n, parser);
if (n.children && n.children.length) {
parser.STACK.push(n);
f(n.children);
parser.popNode(parser.STACK.pop());
} else n.children = void 0;
}
})(html);
}
nodes = html;
} else if (typeof html == 'object' && html.nodes) {
nodes = html.nodes;
console.warn('错误的 html 类型object 类型已废弃');
} else
return console.warn('错误的 html 类型:' + typeof html);
// #ifdef APP-PLUS
this.loadVideo = false;
// #endif
if (document) this.document = new document(this.nodes, 'nodes', this);
if (append) this.nodes = this.nodes.concat(nodes);
else this.nodes = nodes;
if (nodes.length && nodes[0].title && this.autosetTitle)
uni.setNavigationBarTitle({
title: nodes[0].title
})
this.$nextTick(() => {
this.imgList.length = 0;
this.videoContexts = [];
// #ifdef MP-TOUTIAO
setTimeout(() => {
// #endif
var f = (cs) => {
for (let i = 0, c; c = cs[i++];) {
if (c.$options.name == 'trees') {
for (var j = c.nodes.length, item; item = c.nodes[--j];) {
if (item.c) continue;
if (item.name == 'img') {
this.imgList.setItem(item.attrs.i, item.attrs.src);
// #ifndef MP-ALIPAY
if (!c.observer && !c.imgLoad && item.attrs.i != '0') {
if (this.lazyLoad && uni.createIntersectionObserver) {
c.observer = uni.createIntersectionObserver(c);
c.observer.relativeToViewport({
top: 900,
bottom: 900
}).observe('._img', () => {
c.imgLoad = true;
c.observer.disconnect();
})
} else
c.imgLoad = true;
}
// #endif
}
// #ifndef MP-ALIPAY
else if (item.name == 'video') {
var ctx = uni.createVideoContext(item.attrs.id, c);
ctx.id = item.attrs.id;
this.videoContexts.push(ctx);
}
// #endif
// #ifdef MP-BAIDU || MP-ALIPAY || APP-PLUS
if (item.attrs && item.attrs.id) {
this.anchors = this.anchors || [];
this.anchors.push({
id: item.attrs.id,
node: c
})
}
// #endif
}
}
if (c.$children.length)
f(c.$children)
}
}
f(this.$children);
// #ifdef MP-TOUTIAO
}, 200)
this.$emit('load');
// #endif
// #ifdef APP-PLUS
setTimeout(() => {
this.loadVideo = true;
}, 3000);
// #endif
})
// #endif
// #ifndef APP-PLUS-NVUE
var height;
clearInterval(this._timer);
this._timer = setInterval(() => {
// #ifdef H5
var res = [this.rtf.getBoundingClientRect()];
// #endif
// #ifndef H5
// #ifdef APP-PLUS
uni.createSelectorQuery().in(this)
// #endif
// #ifndef APP-PLUS
this.createSelectorQuery()
// #endif
.select('#top').boundingClientRect().exec(res => {
// #endif
this.width = res[0].width;
if (res[0].height == height) {
this.$emit('ready', res[0])
clearInterval(this._timer);
}
height = res[0].height;
// #ifndef H5
});
// #endif
}, 350)
if (this.showWithAnimation && !append) this.showAm = 'animation:show .5s';
// #endif
},
getText(ns = this.nodes) {
// #ifdef APP-PLUS-NVUE
return this._text;
// #endif
// #ifdef H5
return this.rtf.innerText;
// #endif
// #ifndef H5 || APP-PLUS-NVUE
var txt = '';
for (var i = 0, n; n = ns[i++];) {
if (n.type == 'text') txt += n.text.replace(/&nbsp;/g, '\u00A0').replace(/&lt;/g, '<').replace(/&gt;/g, '>')
.replace(/&amp;/g, '&');
else if (n.type == 'br') txt += '\n';
else {
// 块级标签前后加换行
var block = n.name == 'p' || n.name == 'div' || n.name == 'tr' || n.name == 'li' || (n.name[0] == 'h' && n.name[1] >
'0' && n.name[1] < '7');
if (block && txt && txt[txt.length - 1] != '\n') txt += '\n';
if (n.children) txt += this.getText(n.children);
if (block && txt[txt.length - 1] != '\n') txt += '\n';
else if (n.name == 'td' || n.name == 'th') txt += '\t';
}
}
return txt;
// #endif
},
navigateTo(obj) {
if (!this.useAnchor)
return obj.fail && obj.fail({
errMsg: 'Anchor is disabled'
})
// #ifdef APP-PLUS-NVUE
if (!obj.id)
dom.scrollToElement(this.$refs.web);
else
this.$refs.web.evalJs('var pos=document.getElementById("' + obj.id +
'");if(pos)post({action:"linkpress",href:"#",offset:pos.offsetTop})');
return obj.success && obj.success({
errMsg: 'pageScrollTo:ok'
});
// #endif
// #ifdef H5
if (!obj.id) {
window.scrollTo(0, this.rtf.offsetTop);
return obj.success && obj.success({
errMsg: 'pageScrollTo:ok'
});
}
var target = document.getElementById(obj.id);
if (!target) return obj.fail && obj.fail({
errMsg: 'Label not found'
});
obj.scrollTop = this.rtf.offsetTop + target.offsetTop;
uni.pageScrollTo(obj);
// #endif
// #ifndef H5
var Scroll = (selector, component) => {
uni.createSelectorQuery().in(component ? component : this).select(selector).boundingClientRect().selectViewport()
.scrollOffset()
.exec(res => {
if (!res || !res[0])
return obj.fail && obj.fail({
errMsg: 'Label not found'
});
obj.scrollTop = res[1].scrollTop + res[0].top;
uni.pageScrollTo(obj);
})
}
if (!obj.id) Scroll('#top');
else {
// #ifndef MP-BAIDU || MP-ALIPAY || APP-PLUS
Scroll('#top >>> #' + obj.id + ', #top >>> .' + obj.id);
// #endif
// #ifdef MP-BAIDU || MP-ALIPAY || APP-PLUS
for (var anchor of this.anchors)
if (anchor.id == obj.id)
Scroll('#' + obj.id + ', .' + obj.id, anchor.node);
// #endif
}
// #endif
},
getVideoContext(id) {
// #ifndef APP-PLUS-NVUE
if (!id) return this.videoContexts;
else
for (var i = this.videoContexts.length; i--;)
if (this.videoContexts[i].id == id) return this.videoContexts[i];
// #endif
},
// 预加载
preLoad(html, num) {
// #ifdef H5 || APP-PLUS-NVUE
if (html.constructor == Array)
html = this._Dom2Str(html);
var script = "var contain=document.createElement('div');contain.innerHTML='" + html.replace(/'/g, "\\'") +
"';for(var imgs=contain.querySelectorAll('img'),i=imgs.length-1;i>=" + num +
";i--)imgs[i].removeAttribute('src');";
// #endif
// #ifdef APP-PLUS-NVUE
this.$refs.web.evalJs(script);
// #endif
// #ifdef H5
eval(script);
// #endif
// #ifndef H5 || APP-PLUS-NVUE
if (typeof html == 'string') {
var id = hash(html);
html = new Parser(html, this).parse();
cache[id] = html;
}
var wait = [];
(function f(ns) {
for (var i = 0, n; n = ns[i++];) {
if (n.name == 'img' && n.attrs.src && !wait.includes(n.attrs.src))
wait.push(n.attrs.src);
f(n.children || []);
}
})(html);
if (num) wait = wait.slice(0, num);
this._wait = (this._wait || []).concat(wait);
if (!this.imgs) this.imgs = this._wait.splice(0, 15);
else if (this.imgs.length < 15)
this.imgs = this.imgs.concat(this._wait.splice(0, 15 - this.imgs.length));
// #endif
},
// #ifdef APP-PLUS-NVUE
_message(e) {
// 接收 web-view 消息
var data = e.detail.data[0];
if (data.action == 'load') {
this.$emit('load');
this._text = data.text;
} else if (data.action == 'getTitle') {
if (this.autosetTitle)
uni.setNavigationBarTitle({
title: data.title
})
} else if (data.action == 'getImgList') {
this.imgList.length = 0;
for (var i = data.imgList.length; i--;)
this.imgList.setItem(i, data.imgList[i]);
} else if (data.action == 'preview') {
var preview = true;
data.img.ignore = () => preview = false;
this.$emit('imgtap', data.img);
if (preview)
uni.previewImage({
current: data.img.i,
urls: this.imgList
})
} else if (data.action == 'linkpress') {
var jump = true,
href = data.href;
this.$emit('linkpress', {
href,
ignore: () => jump = false
})
if (jump && href) {
if (href[0] == '#') {
if (this.useAnchor)
dom.scrollToElement(this.$refs.web, {
offset: data.offset
})
} else if (href.includes('://'))
plus.runtime.openWeb(href);
else
uni.navigateTo({
url: href
})
}
} else if (data.action == 'error')
this.$emit('error', {
source: data.source,
target: data.target
})
else if (data.action == 'ready') {
this.height = data.height;
this.$nextTick(() => {
uni.createSelectorQuery().in(this).select('#top').boundingClientRect().exec(res => {
this.rect = res[0];
this.$emit('ready', res[0]);
})
})
}
},
// #endif
// #ifndef APP-PLUS-NVUE
// #ifndef H5
_load(e) {
if (this._wait.length)
this.$set(this.imgs, e.target.id, this._wait.shift());
},
// #endif
_tap(e) {
// #ifndef MP-BAIDU || MP-ALIPAY || APP-PLUS
if (this.gestureZoom && e.timeStamp - this._lastT < 300) {
var initY = e.touches[0].pageY - e.currentTarget.offsetTop;
if (this._zoom) {
this._scaleAm.translateX(0).scale(1).step();
uni.pageScrollTo({
scrollTop: (initY + this._initY) / 2 - e.touches[0].clientY,
duration: 400
})
} else {
var initX = e.touches[0].pageX - e.currentTarget.offsetLeft;
this._initY = initY;
this._scaleAm = uni.createAnimation({
transformOrigin: `${initX}px ${this._initY}px 0`,
timingFunction: 'ease-in-out'
});
// #ifdef MP-TOUTIAO
this._scaleAm.opacity(1);
// #endif
this._scaleAm.scale(2).step();
this._tMax = initX / 2;
this._tMin = (initX - this.width) / 2;
this._tX = 0;
}
this._zoom = !this._zoom;
this.scaleAm = this._scaleAm.export();
}
this._lastT = e.timeStamp;
// #endif
},
_touchstart(e) {
// #ifndef MP-BAIDU || MP-ALIPAY || APP-PLUS
if (e.touches.length == 1)
this._initX = this._lastX = e.touches[0].pageX;
// #endif
},
_touchmove(e) {
// #ifndef MP-BAIDU || MP-ALIPAY || APP-PLUS
var diff = e.touches[0].pageX - this._lastX;
if (this._zoom && e.touches.length == 1 && Math.abs(diff) > 20) {
this._lastX = e.touches[0].pageX;
if ((this._tX <= this._tMin && diff < 0) || (this._tX >= this._tMax && diff > 0))
return;
this._tX += (diff * Math.abs(this._lastX - this._initX) * 0.05);
if (this._tX < this._tMin) this._tX = this._tMin;
if (this._tX > this._tMax) this._tX = this._tMax;
this._scaleAm.translateX(this._tX).step();
this.scaleAm = this._scaleAm.export();
}
// #endif
}
// #endif
}
}
</script>
<style>
@keyframes show {
0% {
opacity: 0
}
100% {
opacity: 1;
}
}
/* #ifdef MP-WEIXIN */
:host {
display: block;
overflow: scroll;
-webkit-overflow-scrolling: touch;
}
/* #endif */
</style>

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/*
解析和匹配 Css 的选择器
githubhttps://github.com/jin-yufeng/Parser
docshttps://jin-yufeng.github.io/Parser
authorJinYufeng
update2020/03/15
*/
var cfg = require('./config.js');
class CssHandler {
constructor(tagStyle) {
var styles = Object.assign({}, cfg.userAgentStyles);
for (var item in tagStyle)
styles[item] = (styles[item] ? styles[item] + ';' : '') + tagStyle[item];
this.styles = styles;
}
getStyle = data => this.styles = new CssParser(data, this.styles).parse();
match(name, attrs) {
var tmp, matched = (tmp = this.styles[name]) ? tmp + ';' : '';
if (attrs.class) {
var items = attrs.class.split(' ');
for (var i = 0, item; item = items[i]; i++)
if (tmp = this.styles['.' + item])
matched += tmp + ';';
}
if (tmp = this.styles['#' + attrs.id])
matched += tmp + ';';
return matched;
}
}
module.exports = CssHandler;
class CssParser {
constructor(data, init) {
this.data = data;
this.floor = 0;
this.i = 0;
this.list = [];
this.res = init;
this.state = this.Space;
}
parse() {
for (var c; c = this.data[this.i]; this.i++)
this.state(c);
return this.res;
}
section = () => this.data.substring(this.start, this.i);
isLetter = c => (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
// 状态机
Space(c) {
if (c == '.' || c == '#' || this.isLetter(c)) {
this.start = this.i;
this.state = this.Name;
} else if (c == '/' && this.data[this.i + 1] == '*')
this.Comment();
else if (!cfg.blankChar[c] && c != ';')
this.state = this.Ignore;
}
Comment() {
this.i = this.data.indexOf('*/', this.i) + 1;
if (!this.i) this.i = this.data.length;
this.state = this.Space;
}
Ignore(c) {
if (c == '{') this.floor++;
else if (c == '}' && !--this.floor) this.state = this.Space;
}
Name(c) {
if (cfg.blankChar[c]) {
this.list.push(this.section());
this.state = this.NameSpace;
} else if (c == '{') {
this.list.push(this.section());
this.Content();
} else if (c == ',') {
this.list.push(this.section());
this.Comma();
} else if (!this.isLetter(c) && (c < '0' || c > '9') && c != '-' && c != '_')
this.state = this.Ignore;
}
NameSpace(c) {
if (c == '{') this.Content();
else if (c == ',') this.Comma();
else if (!cfg.blankChar[c]) this.state = this.Ignore;
}
Comma() {
while (cfg.blankChar[this.data[++this.i]]);
if (this.data[this.i] == '{') this.Content();
else {
this.start = this.i--;
this.state = this.Name;
}
}
Content() {
this.start = ++this.i;
if ((this.i = this.data.indexOf('}', this.i)) == -1) this.i = this.data.length;
var content = this.section();
for (var i = 0, item; item = this.list[i++];)
if (this.res[item]) this.res[item] += ';' + content;
else this.res[item] = content;
this.list = [];
this.state = this.Space;
}
}

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/*
将 html 解析为适用于小程序 rich-text 的 DOM 结构
githubhttps://github.com/jin-yufeng/Parser
docshttps://jin-yufeng.github.io/Parser
authorJinYufeng
update2020/04/13
*/
var cfg = require('./config.js'),
blankChar = cfg.blankChar,
CssHandler = require('./CssHandler.js'),
{
screenWidth,
system
} = wx.getSystemInfoSync();
// #ifdef MP-BAIDU || MP-ALIPAY || MP-TOUTIAO
var entities = {
lt: '<',
gt: '>',
amp: '&',
quot: '"',
apos: "'",
nbsp: '\xA0',
ensp: '\u2002',
emsp: '\u2003',
ndash: '',
mdash: '—',
middot: '·',
lsquo: '',
rsquo: '',
ldquo: '“',
rdquo: '”',
bull: '•',
hellip: '…',
permil: '‰',
copy: '©',
reg: '®',
trade: '™',
times: '×',
divide: '÷',
cent: '¢',
pound: '£',
yen: '¥',
euro: '€',
sect: '§'
};
// #endif
var emoji; // emoji 补丁包 https://jin-yufeng.github.io/Parser/#/instructions?id=emoji
class MpHtmlParser {
constructor(data, options = {}) {
this.attrs = {};
this.compress = options.compress;
this.CssHandler = new CssHandler(options.tagStyle, screenWidth);
this.data = data;
this.domain = options.domain;
this.DOM = [];
this.i = this.start = this.audioNum = this.imgNum = this.videoNum = 0;
this.protocol = this.domain && this.domain.includes('://') ? this.domain.split('://')[0] : '';
this.state = this.Text;
this.STACK = [];
this.useAnchor = options.useAnchor;
this.xml = options.xml;
}
parse() {
if (emoji) this.data = emoji.parseEmoji(this.data);
for (var c; c = this.data[this.i]; this.i++)
this.state(c);
if (this.state == this.Text) this.setText();
while (this.STACK.length) this.popNode(this.STACK.pop());
// #ifdef MP-BAIDU || MP-TOUTIAO
// 将顶层标签的一些样式提取出来给 rich-text
(function f(ns) {
for (var i = ns.length, n; n = ns[--i];) {
if (n.type == 'text') continue;
if (!n.c) {
var style = n.attrs.style;
if (style) {
var j, k, res;
if ((j = style.indexOf('display')) != -1)
res = style.substring(j, (k = style.indexOf(';', j)) == -1 ? style.length : k);
if ((j = style.indexOf('float')) != -1)
res += ';' + style.substring(j, (k = style.indexOf(';', j)) == -1 ? style.length : k);
n.attrs.contain = res;
}
} else f(n.children);
}
})(this.DOM);
// #endif
if (this.DOM.length) {
this.DOM[0].PoweredBy = 'Parser';
if (this.title) this.DOM[0].title = this.title;
}
return this.DOM;
}
// 设置属性
setAttr() {
var name = this.getName(this.attrName);
if (cfg.trustAttrs[name]) {
if (!this.attrVal) {
if (cfg.boolAttrs[name]) this.attrs[name] = 'T';
} else if (name == 'src') this.attrs[name] = this.getUrl(this.attrVal.replace(/&amp;/g, '&'));
else this.attrs[name] = this.attrVal;
}
this.attrVal = '';
while (blankChar[this.data[this.i]]) this.i++;
if (this.isClose()) this.setNode();
else {
this.start = this.i;
this.state = this.AttrName;
}
}
// 设置文本节点
setText() {
var back, text = this.section();
if (!text) return;
text = (cfg.onText && cfg.onText(text, () => back = true)) || text;
if (back) {
this.data = this.data.substr(0, this.start) + text + this.data.substr(this.i);
let j = this.start + text.length;
for (this.i = this.start; this.i < j; this.i++) this.state(this.data[this.i]);
return;
}
if (!this.pre) {
// 合并空白符
var tmp = [];
for (let i = text.length, c; c = text[--i];)
if (!blankChar[c] || (!blankChar[tmp[0]] && (c = ' '))) tmp.unshift(c);
text = tmp.join('');
if (text == ' ') return;
}
// 处理实体
var siblings = this.siblings(),
i = -1,
j, en;
while (1) {
if ((i = text.indexOf('&', i + 1)) == -1) break;
if ((j = text.indexOf(';', i + 2)) == -1) break;
if (text[i + 1] == '#') {
en = parseInt((text[i + 2] == 'x' ? '0' : '') + text.substring(i + 2, j));
if (!isNaN(en)) text = text.substr(0, i) + String.fromCharCode(en) + text.substring(j + 1);
} else {
en = text.substring(i + 1, j);
// #ifdef MP-WEIXIN || MP-QQ || APP-PLUS
if (en == 'nbsp') text = text.substr(0, i) + '\xA0' + text.substr(j + 1); // 解决 &nbsp; 失效
else if (en != 'lt' && en != 'gt' && en != 'amp' && en != 'ensp' && en != 'emsp' && en != 'quot' && en != 'apos') {
i && siblings.push({
type: 'text',
text: text.substr(0, i)
})
siblings.push({
type: 'text',
text: `&${en};`,
en: 1
})
text = text.substr(j + 1);
i = -1;
}
// #endif
// #ifdef MP-BAIDU || MP-ALIPAY || MP-TOUTIAO
if (entities[en]) text = text.substr(0, i) + entities[en] + text.substr(j + 1);
// #endif
}
}
text && siblings.push({
type: 'text',
text
})
}
// 设置元素节点
setNode() {
var node = {
name: this.tagName.toLowerCase(),
attrs: this.attrs
},
close = cfg.selfClosingTags[node.name] || (this.xml && this.data[this.i] == '/');
this.attrs = {};
if (!cfg.ignoreTags[node.name]) {
this.matchAttr(node);
if (!close) {
node.children = [];
if (node.name == 'pre' && cfg.highlight) {
this.remove(node);
this.pre = node.pre = true;
}
this.siblings().push(node);
this.STACK.push(node);
} else if (!cfg.filter || cfg.filter(node, this) != false)
this.siblings().push(node);
} else {
if (!close) this.remove(node);
else if (node.name == 'source') {
var parent = this.STACK[this.STACK.length - 1],
attrs = node.attrs;
if (parent && attrs.src)
if (parent.name == 'video' || parent.name == 'audio')
parent.attrs.source.push(attrs.src);
else {
var i, media = attrs.media;
if (parent.name == 'picture' && !parent.attrs.src && !(attrs.src.indexOf('.webp') && system.includes('iOS')) &&
(!media || (media.includes('px') &&
(((i = media.indexOf('min-width')) != -1 && (i = media.indexOf(':', i + 8)) != -1 && screenWidth > parseInt(
media.substr(i + 1))) ||
((i = media.indexOf('max-width')) != -1 && (i = media.indexOf(':', i + 8)) != -1 && screenWidth < parseInt(
media.substr(i + 1)))))))
parent.attrs.src = attrs.src;
}
} else if (node.name == 'base' && !this.domain) this.domain = node.attrs.href;
}
if (this.data[this.i] == '/') this.i++;
this.start = this.i + 1;
this.state = this.Text;
}
// 移除标签
remove(node) {
var name = node.name,
j = this.i;
while (1) {
if ((this.i = this.data.indexOf('</', this.i + 1)) == -1) {
if (name == 'pre' || name == 'svg') this.i = j;
else this.i = this.data.length;
return;
}
this.start = (this.i += 2);
while (!blankChar[this.data[this.i]] && !this.isClose()) this.i++;
if (this.getName(this.section()) == name) {
// 代码块高亮
if (name == 'pre') {
this.data = this.data.substr(0, j + 1) + cfg.highlight(this.data.substring(j + 1, this.i - 5), node.attrs) +
this.data.substr(this.i - 5);
return this.i = j;
} else if (name == 'style')
this.CssHandler.getStyle(this.data.substring(j + 1, this.i - 7));
else if (name == 'title')
this.title = this.data.substring(j + 1, this.i - 7);
if ((this.i = this.data.indexOf('>', this.i)) == -1) this.i = this.data.length;
// 处理 svg
if (name == 'svg') {
var src = this.data.substring(j, this.i + 1);
if (!node.attrs.xmlns) src = ' xmlns="http://www.w3.org/2000/svg"' + src;
var i = j;
while (this.data[j] != '<') j--;
src = this.data.substring(j, i) + src;
var parent = this.STACK[this.STACK.length - 1];
if (node.attrs.width == '100%' && parent && (parent.attrs.style || '').includes('inline'))
parent.attrs.style = 'width:300px;max-width:100%;' + parent.attrs.style;
this.siblings().push({
name: 'img',
attrs: {
src: 'data:image/svg+xml;utf8,' + src.replace(/#/g, '%23'),
ignore: 'T'
}
})
}
return;
}
}
}
// 处理属性
matchAttr(node) {
var attrs = node.attrs,
style = this.CssHandler.match(node.name, attrs, node) + (attrs.style || ''),
styleObj = {};
if (attrs.id) {
if (this.compress & 1) attrs.id = void 0;
else if (this.useAnchor) this.bubble();
}
if ((this.compress & 2) && attrs.class) attrs.class = void 0;
switch (node.name) {
case 'img':
if (attrs['data-src']) {
attrs.src = attrs.src || attrs['data-src'];
attrs['data-src'] = void 0;
}
if (attrs.src && !attrs.ignore) {
if (this.bubble()) attrs.i = (this.imgNum++).toString();
else attrs.ignore = 'T';
}
break;
case 'a':
case 'ad':
// #ifdef APP-PLUS
case 'iframe':
case 'embed':
// #endif
this.bubble();
break;
case 'font':
if (attrs.color) {
styleObj['color'] = attrs.color;
attrs.color = void 0;
}
if (attrs.face) {
styleObj['font-family'] = attrs.face;
attrs.face = void 0;
}
if (attrs.size) {
var size = parseInt(attrs.size);
if (size < 1) size = 1;
else if (size > 7) size = 7;
var map = ['xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large'];
styleObj['font-size'] = map[size - 1];
attrs.size = void 0;
}
break;
case 'video':
case 'audio':
if (!attrs.id) attrs.id = node.name + (++this[`${node.name}Num`]);
else this[`${node.name}Num`]++;
if (node.name == 'video') {
if (attrs.width) {
style = `width:${parseFloat(attrs.width) + (attrs.width.includes('%') ? '%' : 'px')};${style}`;
attrs.width = void 0;
}
if (attrs.height) {
style = `height:${parseFloat(attrs.height) + (attrs.height.includes('%') ? '%' : 'px')};${style}`;
attrs.height = void 0;
}
if (this.videoNum > 3) node.lazyLoad = true;
}
attrs.source = [];
if (attrs.src) attrs.source.push(attrs.src);
if (!attrs.controls && !attrs.autoplay)
console.warn(`存在没有 controls 属性的 ${node.name} 标签,可能导致无法播放`, node);
this.bubble();
break;
case 'td':
case 'th':
if (attrs.colspan || attrs.rowspan)
for (var k = this.STACK.length, item; item = this.STACK[--k];)
if (item.name == 'table') {
item.c = void 0;
break;
}
}
if (attrs.align) {
styleObj['text-align'] = attrs.align;
attrs.align = void 0;
}
// 压缩 style
var styles = style.replace(/&quot;/g, '"').replace(/&amp;/g, '&').split(';');
style = '';
for (var i = 0, len = styles.length; i < len; i++) {
var info = styles[i].split(':');
if (info.length < 2) continue;
let key = info[0].trim().toLowerCase(),
value = info.slice(1).join(':').trim();
if (value.includes('-webkit') || value.includes('-moz') || value.includes('-ms') || value.includes('-o') || value
.includes(
'safe'))
style += `;${key}:${value}`;
else if (!styleObj[key] || value.includes('import') || !styleObj[key].includes('import'))
styleObj[key] = value;
}
if (node.name == 'img' && parseInt(styleObj.width || attrs.width) > screenWidth)
styleObj.height = 'auto';
for (var key in styleObj) {
var value = styleObj[key];
if (key.includes('flex') || key == 'order' || key == 'self-align') node.c = 1;
// 填充链接
if (value.includes('url')) {
var j = value.indexOf('(');
if (j++ != -1) {
while (value[j] == '"' || value[j] == "'" || blankChar[value[j]]) j++;
value = value.substr(0, j) + this.getUrl(value.substr(j));
}
}
// 转换 rpx
else if (value.includes('rpx'))
value = value.replace(/[0-9.]+\s*rpx/g, $ => parseFloat($) * screenWidth / 750 + 'px');
else if (key == 'white-space' && value.includes('pre'))
this.pre = node.pre = true;
style += `;${key}:${value}`;
}
style = style.substr(1);
if (style) attrs.style = style;
}
// 节点出栈处理
popNode(node) {
// 空白符处理
if (node.pre) {
node.pre = this.pre = void 0;
for (let i = this.STACK.length; i--;)
if (this.STACK[i].pre)
this.pre = true;
}
if (node.name == 'head' || (cfg.filter && cfg.filter(node, this) == false))
return this.siblings().pop();
var attrs = node.attrs;
// 替换一些标签名
if (node.name == 'picture') {
node.name = 'img';
if (!attrs.src && (node.children[0] || '').name == 'img')
attrs.src = node.children[0].attrs.src;
if (attrs.src && !attrs.ignore)
attrs.i = (this.imgNum++).toString();
return node.children = void 0;
}
if (cfg.blockTags[node.name]) node.name = 'div';
else if (!cfg.trustTags[node.name]) node.name = 'span';
// 处理列表
if (node.c) {
if (node.name == 'ul') {
var floor = 1;
for (let i = this.STACK.length; i--;)
if (this.STACK[i].name == 'ul') floor++;
if (floor != 1)
for (let i = node.children.length; i--;)
node.children[i].floor = floor;
} else if (node.name == 'ol') {
for (let i = 0, num = 1, child; child = node.children[i++];)
if (child.name == 'li') {
child.type = 'ol';
child.num = ((num, type) => {
if (type == 'a') return String.fromCharCode(97 + (num - 1) % 26);
if (type == 'A') return String.fromCharCode(65 + (num - 1) % 26);
if (type == 'i' || type == 'I') {
num = (num - 1) % 99 + 1;
var one = ['I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX'],
ten = ['X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC'],
res = (ten[Math.floor(num / 10) - 1] || '') + (one[num % 10 - 1] || '');
if (type == 'i') return res.toLowerCase();
return res;
}
return num;
})(num++, attrs.type) + '.';
}
}
}
// 处理表格的边框
if (node.name == 'table') {
var padding = attrs.cellpadding,
spacing = attrs.cellspacing,
border = attrs.border;
if (node.c) {
this.bubble();
if (!padding) padding = 2;
if (!spacing) spacing = 2;
}
if (border) attrs.style = `border:${border}px solid gray;${attrs.style || ''}`;
if (spacing) attrs.style = `border-spacing:${spacing}px;${attrs.style || ''}`;
if (border || padding)
(function f(ns) {
for (var i = 0, n; n = ns[i]; i++) {
if (n.name == 'th' || n.name == 'td') {
if (border) n.attrs.style = `border:${border}px solid gray;${n.attrs.style}`;
if (padding) n.attrs.style = `padding:${padding}px;${n.attrs.style}`;
} else f(n.children || []);
}
})(node.children)
}
this.CssHandler.pop && this.CssHandler.pop(node);
// 自动压缩
if (node.name == 'div' && !Object.keys(attrs).length) {
var siblings = this.siblings();
if (node.children.length == 1 && node.children[0].name == 'div')
siblings[siblings.length - 1] = node.children[0];
}
}
// 工具函数
bubble() {
for (var i = this.STACK.length, item; item = this.STACK[--i];) {
if (cfg.richOnlyTags[item.name]) {
if (item.name == 'table' && !Object.hasOwnProperty.call(item, 'c')) item.c = 1;
return false;
}
item.c = 1;
}
return true;
}
getName = val => this.xml ? val : val.toLowerCase();
getUrl(url) {
if (url[0] == '/') {
if (url[1] == '/') url = this.protocol + ':' + url;
else if (this.domain) url = this.domain + url;
} else if (this.domain && url.indexOf('data:') != 0 && !url.includes('://'))
url = this.domain + '/' + url;
return url;
}
isClose = () => this.data[this.i] == '>' || (this.data[this.i] == '/' && this.data[this.i + 1] == '>');
section = () => this.data.substring(this.start, this.i);
siblings = () => this.STACK.length ? this.STACK[this.STACK.length - 1].children : this.DOM;
// 状态机
Text(c) {
if (c == '<') {
var next = this.data[this.i + 1],
isLetter = c => (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
if (isLetter(next)) {
this.setText();
this.start = this.i + 1;
this.state = this.TagName;
} else if (next == '/') {
this.setText();
if (isLetter(this.data[++this.i + 1])) {
this.start = this.i + 1;
this.state = this.EndTag;
} else
this.Comment();
} else if (next == '!') {
this.setText();
this.Comment();
}
}
}
Comment() {
var key;
if (this.data.substring(this.i + 2, this.i + 4) == '--') key = '-->';
else if (this.data.substring(this.i + 2, this.i + 9) == '[CDATA[') key = ']]>';
else key = '>';
if ((this.i = this.data.indexOf(key, this.i + 2)) == -1) this.i = this.data.length;
else this.i += key.length - 1;
this.start = this.i + 1;
this.state = this.Text;
}
TagName(c) {
if (blankChar[c]) {
this.tagName = this.section();
while (blankChar[this.data[this.i]]) this.i++;
if (this.isClose()) this.setNode();
else {
this.start = this.i;
this.state = this.AttrName;
}
} else if (this.isClose()) {
this.tagName = this.section();
this.setNode();
}
}
AttrName(c) {
var blank = blankChar[c];
if (blank) {
this.attrName = this.section();
c = this.data[this.i];
}
if (c == '=') {
if (!blank) this.attrName = this.section();
while (blankChar[this.data[++this.i]]);
this.start = this.i--;
this.state = this.AttrValue;
} else if (blank) this.setAttr();
else if (this.isClose()) {
this.attrName = this.section();
this.setAttr();
}
}
AttrValue(c) {
if (c == '"' || c == "'") {
this.start++;
if ((this.i = this.data.indexOf(c, this.i + 1)) == -1) return this.i = this.data.length;
this.attrVal = this.section();
this.i++;
} else {
for (; !blankChar[this.data[this.i]] && !this.isClose(); this.i++);
this.attrVal = this.section();
}
this.setAttr();
}
EndTag(c) {
if (blankChar[c] || c == '>' || c == '/') {
var name = this.getName(this.section());
for (var i = this.STACK.length; i--;)
if (this.STACK[i].name == name) break;
if (i != -1) {
var node;
while ((node = this.STACK.pop()).name != name);
this.popNode(node);
} else if (name == 'p' || name == 'br')
this.siblings().push({
name,
attrs: {}
});
this.i = this.data.indexOf('>', this.i);
this.start = this.i + 1;
if (this.i == -1) this.i = this.data.length;
else this.state = this.Text;
}
}
}
module.exports = MpHtmlParser;

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/* 配置文件 */
// #ifdef MP-WEIXIN
const canIUse = wx.canIUse('editor'); // 高基础库标识,用于兼容
// #endif
module.exports = {
// 过滤器函数
filter: null,
// 代码高亮函数
highlight: null,
// 文本处理函数
onText: null,
blankChar: makeMap(' ,\xA0,\t,\r,\n,\f'),
// 块级标签,将被转为 div
blockTags: makeMap('address,article,aside,body,caption,center,cite,footer,header,html,nav,section' + (
// #ifdef MP-WEIXIN
canIUse ? '' :
// #endif
',pre')),
// 将被移除的标签
ignoreTags: makeMap(
'area,base,basefont,canvas,command,frame,input,isindex,keygen,link,map,meta,param,script,source,style,svg,textarea,title,track,use,wbr'
// #ifdef MP-WEIXIN
+ (canIUse ? ',rp' : '')
// #endif
// #ifndef APP-PLUS
+ ',embed,iframe'
// #endif
),
// 只能被 rich-text 显示的标签
richOnlyTags: makeMap('a,colgroup,fieldset,legend,picture,table'
// #ifdef MP-WEIXIN
+ (canIUse ? ',bdi,bdo,caption,rt,ruby' : '')
// #endif
),
// 自闭合的标签
selfClosingTags: makeMap(
'area,base,basefont,br,col,circle,ellipse,embed,frame,hr,img,input,isindex,keygen,line,link,meta,param,path,polygon,rect,source,track,use,wbr'
),
// 信任的属性
trustAttrs: makeMap(
'align,alt,app-id,author,autoplay,border,cellpadding,cellspacing,class,color,colspan,controls,data-src,dir,face,height,href,id,ignore,loop,media,muted,name,path,poster,rowspan,size,span,src,start,style,type,unit-id,width,xmlns'
),
// bool 型的属性
boolAttrs: makeMap('autoplay,controls,ignore,loop,muted'),
// 信任的标签
trustTags: makeMap(
'a,abbr,ad,audio,b,blockquote,br,code,col,colgroup,dd,del,dl,dt,div,em,fieldset,h1,h2,h3,h4,h5,h6,hr,i,img,ins,label,legend,li,ol,p,q,source,span,strong,sub,sup,table,tbody,td,tfoot,th,thead,tr,title,ul,video'
// #ifdef MP-WEIXIN
+ (canIUse ? ',bdi,bdo,caption,pre,rt,ruby' : '')
// #endif
// #ifdef APP-PLUS
+ ',embed,iframe'
// #endif
),
// 默认的标签样式
userAgentStyles: {
address: 'font-style:italic',
big: 'display:inline;font-size:1.2em',
blockquote: 'background-color:#f6f6f6;border-left:3px solid #dbdbdb;color:#6c6c6c;padding:5px 0 5px 10px',
caption: 'display:table-caption;text-align:center',
center: 'text-align:center',
cite: 'font-style:italic',
dd: 'margin-left:40px',
img: 'max-width:100%',
mark: 'background-color:yellow',
picture: 'max-width:100%',
pre: 'font-family:monospace;white-space:pre;overflow:scroll',
s: 'text-decoration:line-through',
small: 'display:inline;font-size:0.8em',
u: 'text-decoration:underline'
}
}
function makeMap(str) {
var map = {},
list = str.split(',');
for (var i = list.length; i--;)
map[list[i]] = true;
return map;
}

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var inlineTags = {
abbr: 1,
b: 1,
big: 1,
code: 1,
del: 1,
em: 1,
i: 1,
ins: 1,
label: 1,
q: 1,
small: 1,
span: 1,
strong: 1
}
export default {
// 从顶层标签的样式中取出一些给 rich-text
getStyle: function(style) {
if (style) {
var i, j, res = '';
if ((i = style.indexOf('display')) != -1)
res = style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
if ((i = style.indexOf('float')) != -1)
res += ';' + style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
return res;
}
},
getNode: function(item) {
return [item];
},
// 是否通过 rich-text 显示
useRichText: function(item) {
return !item.c && !inlineTags[item.name] && (item.attrs.style || '').indexOf('display:inline') == -1;
}
}

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var inlineTags = {
abbr: 1,
b: 1,
big: 1,
code: 1,
del: 1,
em: 1,
i: 1,
ins: 1,
label: 1,
q: 1,
small: 1,
span: 1,
strong: 1
}
module.exports = {
// 从顶层标签的样式中取出一些给 rich-text
getStyle: function(style) {
if (style) {
var i, j, res = '';
if ((i = style.indexOf('display')) != -1)
res = style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
if ((i = style.indexOf('float')) != -1)
res += ';' + style.substring(i, (j = style.indexOf(';', i)) == -1 ? style.length : j);
return res;
}
},
// 处理懒加载
getNode: function(item, imgLoad) {
if (!imgLoad && item.attrs.i != '0') {
var img = {
name: 'img',
attrs: JSON.parse(JSON.stringify(item.attrs))
}
delete img.attrs.src;
img.attrs.style += ';width:20px;height:20px';
return [img];
} else return [item];
},
// 是否通过 rich-text 显示
useRichText: function(item) {
return !item.c && !inlineTags[item.name] && (item.attrs.style || '').indexOf('display:inline') == -1;
}
}

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<!--
trees 递归显示组件
githubhttps://github.com/jin-yufeng/Parser
docshttps://jin-yufeng.github.io/Parser
插件市场https://ext.dcloud.net.cn/plugin?id=805
authorJinYufeng
update2020/04/13
-->
<template>
<view class="interlayer">
<block v-for="(n, index) in nodes" v-bind:key="index">
<!--图片-->
<!--#ifdef MP-WEIXIN || MP-QQ || MP-ALIPAY || APP-PLUS-->
<rich-text v-if="n.name=='img'" :id="n.attrs.id" class="_img" :style="''+handler.getStyle(n.attrs.style)" :nodes="handler.getNode(n,!lazyLoad||imgLoad)"
:data-attrs="n.attrs" @tap="imgtap" @longpress="imglongtap" />
<!--#endif-->
<!--#ifdef MP-BAIDU || MP-TOUTIAO-->
<rich-text v-if="n.name=='img'" :id="n.attrs.id" class="_img" :style="n.attrs.contain" :nodes='[n]' :data-attrs="n.attrs"
@tap="imgtap" @longpress="imglongtap" />
<!--#endif-->
<!--文本-->
<!--#ifdef MP-WEIXIN || MP-QQ || APP-PLUS-->
<rich-text v-else-if="n.decode" class="_entity" :nodes="[n]"></rich-text>
<!--#endif-->
<text v-else-if="n.type=='text'" decode>{{n.text}}</text>
<text v-else-if="n.name=='br'">\n</text>
<!--视频-->
<view v-else-if="n.name=='video'">
<view v-if="(!loadVideo||n.lazyLoad)&&!(controls[n.attrs.id]&&controls[n.attrs.id].play)" :id="n.attrs.id" :class="'_video '+(n.attrs.class||'')"
:style="n.attrs.style" @tap="_loadVideo" />
<video v-else :id="n.attrs.id" :class="n.attrs.class" :style="n.attrs.style" :autoplay="n.attrs.autoplay||(controls[n.attrs.id]&&controls[n.attrs.id].play)"
:controls="n.attrs.controls" :loop="n.attrs.loop" :muted="n.attrs.muted" :poster="n.attrs.poster" :src="n.attrs.source[(controls[n.attrs.id]&&controls[n.attrs.id].index)||0]"
:unit-id="n.attrs['unit-id']" :data-id="n.attrs.id" data-from="video" data-source="source" @error="error" @play="play" />
</view>
<!--音频-->
<audio v-else-if="n.name=='audio'" :class="n.attrs.class" :style="n.attrs.style" :author="n.attrs.author" :autoplay="n.attrs.autoplay"
:controls="n.attrs.controls" :loop="n.attrs.loop" :name="n.attrs.name" :poster="n.attrs.poster" :src="n.attrs.source[(controls[n.attrs.id]&&controls[n.attrs.id].index)||0]"
:data-id="n.attrs.id" data-from="audio" data-source="source" @error="error" @play="play" />
<!--链接-->
<view v-else-if="n.name=='a'" :class="'_a '+(n.attrs.class||'')" hover-class="_hover" :style="n.attrs.style"
:data-attrs="n.attrs" @tap="linkpress">
<trees class="_span" :nodes="n.children" />
</view>
<!--广告按需打开注释-->
<!--#ifdef MP-WEIXIN || MP-QQ || MP-TOUTIAO-->
<!--<ad v-else-if="n.name=='ad'" :class="n.attrs.class" :style="n.attrs.style" :unit-id="n.attrs['unit-id']"
data-from="ad" @error="error" />-->
<!--#endif-->
<!--#ifdef MP-BAIDU-->
<!--<ad v-else-if="n.name=='ad'" :class="n.attrs.class" :style="n.attrs.style" :appid="n.attrs.appid"
:apid="n.attrs.apid" :type="n.attrs.type" data-from="ad" @error="error" />-->
<!--#endif-->
<!--#ifdef APP-PLUS-->
<!--<ad v-else-if="n.name=='ad'" :class="n.attrs.class" :style="n.attrs.style" :adpid="n.attrs.adpid"
data-from="ad" @error="error" />-->
<!--#endif-->
<!--列表-->
<view v-else-if="n.name=='li'" :id="n.attrs.id" :class="n.attrs.class" :style="(n.attrs.style||'')+';display:flex'">
<view v-if="n.type=='ol'" class="_ol-bef">{{n.num}}</view>
<view v-else class="_ul-bef">
<view v-if="n.floor%3==0" class="_ul-p1"></view>
<view v-else-if="n.floor%3==2" class="_ul-p2" />
<view v-else class="_ul-p1" style="border-radius:50%"></view>
</view>
<!--#ifdef MP-ALIPAY-->
<view class="_li">
<trees :nodes="n.children" />
</view>
<!--#endif-->
<!--#ifndef MP-ALIPAY-->
<trees class="_li" :nodes="n.children" :lazyLoad="lazyLoad" :loadVideo="loadVideo" />
<!--#endif-->
</view>
<!--表格-->
<view v-else-if="n.name=='table'&&n.c" :id="n.attrs.id" :class="n.attrs.class" :style="(n.attrs.style||'')+';display:table'">
<view v-for="(tbody, i) in n.children" v-bind:key="i" :class="tbody.attrs.class" :style="(tbody.attrs.style||'')+(tbody.name[0]=='t'?';display:table-'+(tbody.name=='tr'?'row':'row-group'):'')">
<view v-for="(tr, j) in tbody.children" v-bind:key="j" :class="tr.attrs.class" :style="(tr.attrs.style||'')+(tr.name[0]=='t'?';display:table-'+(tr.name=='tr'?'row':'cell'):'')">
<trees v-if="tr.name=='td'" :nodes="tr.children" :lazyLoad="lazyLoad" :loadVideo="loadVideo" />
<block v-else>
<!--#ifdef MP-ALIPAY-->
<view v-for="(td, k) in tr.children" v-bind:key="k" :class="td.attrs.class" :style="(td.attrs.style||'')+(td.name[0]=='t'?';display:table-'+(td.name=='tr'?'row':'cell'):'')">
<trees :nodes="td.children" />
</view>
<!--#endif-->
<!--#ifndef MP-ALIPAY-->
<trees v-for="(td, k) in tr.children" v-bind:key="k" :class="td.attrs.class" :style="(td.attrs.style||'')+(td.name[0]=='t'?';display:table-'+(td.name=='tr'?'row':'cell'):'')"
:nodes="td.children" :lazyLoad="lazyLoad" :loadVideo="loadVideo" />
<!--#endif-->
</block>
</view>
</view>
</view>
<!--#ifdef APP-PLUS-->
<iframe v-else-if="n.name=='iframe'" :style="n.attrs.style" :allowfullscreen="n.attrs.allowfullscreen" :frameborder="n.attrs.frameborder"
:width="n.attrs.width" :height="n.attrs.height" :src="n.attrs.src" />
<embed v-else-if="n.name=='embed'" :style="n.attrs.style" :width="n.attrs.width" :height="n.attrs.height" :src="n.attrs.src" />
<!--#endif-->
<!--富文本-->
<!--#ifdef MP-WEIXIN || MP-QQ || MP-ALIPAY || APP-PLUS-->
<rich-text v-else-if="handler.useRichText(n)" :id="n.attrs.id" :class="'_p __'+n.name" :nodes="[n]" />
<!--#endif-->
<!--#ifdef MP-BAIDU || MP-TOUTIAO-->
<rich-text v-else-if="!(n.c||n.continue)" :id="n.attrs.id" :class="_p" :style="n.attrs.contain" :nodes="[n]" />
<!--#endif-->
<!--#ifdef MP-ALIPAY-->
<view v-else :id="n.attrs.id" :class="'_'+n.name+' '+(n.attrs.class||'')" :style="n.attrs.style">
<trees :nodes="n.children" />
</view>
<!--#endif-->
<!--#ifndef MP-ALIPAY-->
<trees v-else :class="(n.attrs.id||'')+' _'+n.name+' '+(n.attrs.class||'')" :style="n.attrs.style" :nodes="n.children"
:lazyLoad="lazyLoad" :loadVideo="loadVideo" />
<!--#endif-->
</block>
</view>
</template>
<script module="handler" lang="wxs" src="./handler.wxs"></script>
<script module="handler" lang="sjs" src="./handler.sjs"></script>
<script>
global.Parser = {};
import trees from './trees'
export default {
components: {
trees
},
name: 'trees',
data() {
return {
controls: {},
// #ifdef MP-WEIXIN || MP-QQ || APP-PLUS
imgLoad: false,
// #endif
// #ifndef APP-PLUS
loadVideo: true
// #endif
}
},
props: {
nodes: Array,
// #ifdef MP-WEIXIN || MP-QQ || H5 || APP-PLUS
lazyLoad: Boolean,
// #endif
// #ifdef APP-PLUS
loadVideo: Boolean
// #endif
},
mounted() {
// 获取顶层组件
this.top = this.$parent;
while (this.top.$options.name != 'parser') {
if (this.top.top) {
this.top = this.top.top;
break;
}
this.top = this.top.$parent;
}
},
// #ifdef MP-WEIXIN || MP-QQ || APP-PLUS
beforeDestroy() {
if (this.observer)
this.observer.disconnect();
},
// #endif
methods: {
// #ifndef MP-ALIPAY
play(e) {
if (this.top.videoContexts.length > 1 && this.top.autopause)
for (var i = this.top.videoContexts.length; i--;)
if (this.top.videoContexts[i].id != e.currentTarget.dataset.id)
this.top.videoContexts[i].pause();
},
// #endif
imgtap(e) {
var attrs = e.currentTarget.dataset.attrs;
if (!attrs.ignore) {
var preview = true, data = {
id: e.target.id,
src: attrs.src,
ignore: () => preview = false
};
global.Parser.onImgtap && global.Parser.onImgtap(data);
this.top.$emit('imgtap', data);
if (preview) {
var urls = this.top.imgList,
current = urls[attrs.i] ? parseInt(attrs.i) : (urls = [attrs.src], 0);
uni.previewImage({
current,
urls
})
}
}
},
imglongtap(e) {
var attrs = e.item.dataset.attrs;
if (!attrs.ignore)
this.top.$emit('imglongtap', {
id: e.target.id,
src: attrs.src
})
},
linkpress(e) {
var jump = true,
attrs = e.currentTarget.dataset.attrs;
attrs.ignore = () => jump = false;
global.Parser.onLinkpress && global.Parser.onLinkpress(attrs);
this.top.$emit('linkpress', attrs);
if (jump) {
// #ifdef MP
if (attrs['app-id']) {
return uni.navigateToMiniProgram({
appId: attrs['app-id'],
path: attrs.path
})
}
// #endif
if (attrs.href) {
if (attrs.href[0] == '#') {
if (this.top.useAnchor)
this.top.navigateTo({
id: attrs.href.substring(1)
})
} else if (attrs.href.indexOf('http') == 0 || attrs.href.indexOf('//') == 0) {
// #ifdef APP-PLUS
plus.runtime.openWeb(attrs.href);
// #endif
// #ifndef APP-PLUS
uni.setClipboardData({
data: attrs.href,
success: () =>
uni.showToast({
title: '链接已复制'
})
})
// #endif
} else
uni.navigateTo({
url: attrs.href
})
}
}
},
error(e) {
var context, target = e.currentTarget,
source = target.dataset.from;
if (source == 'video' || source == 'audio') {
// 加载其他 source
var index = this.controls[target.id] ? this.controls[target.id].index + 1 : 1;
if (index < target.dataset.source.length)
this.$set(this.controls, target.id + '.index', index);
if (source == 'video') context = uni.createVideoContext(target.id, this);
}
this.top && this.top.$emit('error', {
source,
target,
errMsg: e.detail.errMsg,
errCode: e.detail.errCode,
context
});
},
_loadVideo(e) {
this.$set(this.controls, e.currentTarget.id, {
play: true,
index: 0
})
}
}
}
</script>
<style>
/* 在这里引入自定义样式 */
/* 链接和图片效果 */
._a {
display: inline;
color: #366092;
word-break: break-all;
padding: 1.5px 0 1.5px 0;
}
._hover {
opacity: 0.7;
text-decoration: underline;
}
._img {
display: inline-block;
text-indent: 0;
}
/* #ifdef MP-WEIXIN */
:host {
display: inline;
}
/* #endif */
/* #ifdef MP */
.interlayer {
align-content: inherit;
align-items: inherit;
display: inherit;
flex-direction: inherit;
flex-wrap: inherit;
justify-content: inherit;
width: 100%;
white-space: inherit;
}
/* #endif */
._b,
._strong {
font-weight: bold;
}
._blockquote,
._div,
._p,
._ol,
._ul,
._li {
display: block;
}
._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 {
display: block;
font-weight: bold;
}
._ins {
text-decoration: underline;
}
._li {
flex: 1;
width: 0;
}
._ol-bef {
margin-right: 5px;
text-align: right;
width: 36px;
}
._ul-bef {
line-height: normal;
margin: 0 12px 0 23px;
}
._ol-bef,
._ul_bef {
flex: none;
user-select: none;
}
._ul-p1 {
display: inline-block;
height: 0.3em;
line-height: 0.3em;
overflow: hidden;
width: 0.3em;
}
._ul-p2 {
border: 0.05em solid black;
border-radius: 50%;
display: inline-block;
height: 0.23em;
width: 0.23em;
}
._q::before {
content: '"';
}
._q::after {
content: '"';
}
._sub {
font-size: smaller;
vertical-align: sub;
}
._sup {
font-size: smaller;
vertical-align: super;
}
/* #ifndef MP-WEIXIN */
._abbr,
._b,
._code,
._del,
._em,
._i,
._ins,
._label,
._q,
._span,
._strong,
._sub,
._sup {
display: inline;
}
/* #endif */
/* #ifdef MP-WEIXIN || MP-QQ || MP-ALIPAY */
.__bdo,
.__bdi,
.__ruby,
.__rt,
._entity {
display: inline-block;
}
/* #endif */
._video {
background-color: black;
display: inline-block;
height: 225px;
position: relative;
width: 300px;
}
._video::after {
border-color: transparent transparent transparent white;
border-style: solid;
border-width: 15px 0 15px 30px;
content: '';
left: 50%;
margin: -15px 0 0 -15px;
position: absolute;
top: 50%;
}
</style>