431 lines
13 KiB
Vue
431 lines
13 KiB
Vue
|
<template>
|
|||
|
|
<view id="_root" :class="(selectable ? '_select ' : '') + '_root'">
|
|||
|
|
<slot v-if="!nodes[0]" />
|
|||
|
|
<!-- #ifndef APP-PLUS-NVUE -->
|
|||
|
|
<node v-else :childs="nodes" :opts="[lazyLoad, loadingImg, errorImg, showImgMenu]" />
|
|||
|
|
<!-- #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 v2.0.4
|
|||
|
|
* @description 富文本组件
|
|||
|
|
* @tutorial https://github.com/jin-yufeng/mp-html
|
|||
|
|
* @property {String} bgColor 背景颜色，只适用与APP-PLUS-NVUE
|
|||
|
|
* @property {String} content 用于渲染的富文本字符串（默认 true ）
|
|||
|
|
* @property {Boolean} copyLink 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} errorImg 图片出错时的占位图链接
|
|||
|
|
* @property {Boolean} lazyLoad 是否开启图片懒加载（默认 true ）
|
|||
|
|
* @property {string} loadingImg 图片加载过程中的占位图链接
|
|||
|
|
* @property {Boolean} pauseVideo 是否在播放一个视频时自动暂停其它视频（默认 true ）
|
|||
|
|
* @property {Boolean} previewImg 是否允许图片被点击时自动预览（默认 true ）
|
|||
|
|
* @property {Boolean} scrollTable 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} selectable 是否开启长按复制
|
|||
|
|
* @property {Boolean} setTitle 是否将 title 标签的内容设置到页面标题（默认 true ）
|
|||
|
|
* @property {Boolean} showImgMenu 是否允许图片被长按时显示菜单（默认 true ）
|
|||
|
|
* @property {Object} tagStyle 标签的默认样式
|
|||
|
|
* @property {Boolean | Number} useAnchor 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} error 媒体加载出错时触发
|
|||
|
|
*/
|
|||
|
|
import parser from './parser.js';
|
|||
|
|
const plugins = [];
|
|||
|
|
// #ifndef APP-PLUS-NVUE
|
|||
|
|
import node from './node';
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-PLUS-NVUE
|
|||
|
|
const dom = weex.requireModule('dom');
|
|||
|
|
// #endif
|
|||
|
|
export default {
|
|||
|
|
name: 'mp-html',
|
|||
|
|
data() {
|
|||
|
|
return {
|
|||
|
|
nodes: [],
|
|||
|
|
// #ifdef APP-PLUS-NVUE
|
|||
|
|
height: 0,
|
|||
|
|
// #endif
|
|||
|
|
};
|
|||
|
|
},
|
|||
|
|
props: {
|
|||
|
|
// #ifdef APP-PLUS-NVUE
|
|||
|
|
bgColor: String,
|
|||
|
|
// #endif
|
|||
|
|
content: String,
|
|||
|
|
copyLink: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true,
|
|||
|
|
},
|
|||
|
|
domain: String,
|
|||
|
|
errorImg: {
|
|||
|
|
type: String,
|
|||
|
|
default: '',
|
|||
|
|
},
|
|||
|
|
lazyLoad: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true,
|
|||
|
|
},
|
|||
|
|
loadingImg: {
|
|||
|
|
type: String,
|
|||
|
|
default: '',
|
|||
|
|
},
|
|||
|
|
pauseVideo: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true,
|
|||
|
|
},
|
|||
|
|
previewImg: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true,
|
|||
|
|
},
|
|||
|
|
scrollTable: Boolean,
|
|||
|
|
selectable: Boolean,
|
|||
|
|
setTitle: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true,
|
|||
|
|
},
|
|||
|
|
showImgMenu: {
|
|||
|
|
type: Boolean,
|
|||
|
|
default: true,
|
|||
|
|
},
|
|||
|
|
tagStyle: Object,
|
|||
|
|
useAnchor: null,
|
|||
|
|
},
|
|||
|
|
// #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);
|
|||
|
|
},
|
|||
|
|
beforeDestroy() {
|
|||
|
|
this._hook('onDetached');
|
|||
|
|
clearInterval(this._timer);
|
|||
|
|
},
|
|||
|
|
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) return reject('Anchor is disabled');
|
|||
|
|
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();
|
|||
|
|
// 获取 scroll-view 的位置和滚动距离
|
|||
|
|
else selector.selectViewport().scrollOffset(); // 获取窗口的滚动距离
|
|||
|
|
selector.exec((res) => {
|
|||
|
|
if (!res[0]) return reject('Label not found');
|
|||
|
|
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;
|
|||
|
|
// 页面跳转
|
|||
|
|
else
|
|||
|
|
uni.pageScrollTo({
|
|||
|
|
scrollTop,
|
|||
|
|
duration: 300,
|
|||
|
|
});
|
|||
|
|
resolve();
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @description 获取文本内容
|
|||
|
|
* @return {String}
|
|||
|
|
*/
|
|||
|
|
getText() {
|
|||
|
|
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(/&/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';
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
})(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('Root label not found')));
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @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.$emit('load');
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
// 等待图片加载完毕
|
|||
|
|
let height;
|
|||
|
|
clearInterval(this._timer);
|
|||
|
|
this._timer = setInterval(() => {
|
|||
|
|
this.getRect()
|
|||
|
|
.then((rect) => {
|
|||
|
|
// 350ms 总高度无变化就触发 ready 事件
|
|||
|
|
if (rect.height == height) {
|
|||
|
|
this.$emit('ready', rect);
|
|||
|
|
clearInterval(this._timer);
|
|||
|
|
}
|
|||
|
|
height = rect.height;
|
|||
|
|
})
|
|||
|
|
.catch(() => {});
|
|||
|
|
}, 350);
|
|||
|
|
// #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.$refs.web.evalJs(
|
|||
|
|
'setContent(' +
|
|||
|
|
JSON.stringify(nodes) +
|
|||
|
|
',' +
|
|||
|
|
JSON.stringify([
|
|||
|
|
this.bgColor,
|
|||
|
|
this.errorImg,
|
|||
|
|
this.loadingImg,
|
|||
|
|
this.pauseVideo,
|
|||
|
|
this.scrollTable,
|
|||
|
|
this.selectable,
|
|||
|
|
]) +
|
|||
|
|
',' +
|
|||
|
|
append +
|
|||
|
|
')',
|
|||
|
|
);
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* @description 接收到 web-view 消息
|
|||
|
|
*/
|
|||
|
|
_onMessage(e) {
|
|||
|
|
const message = e.detail.data[0];
|
|||
|
|
switch (message.action) {
|
|||
|
|
// web-view 初始化完毕
|
|||
|
|
case 'onJSBridgeReady':
|
|||
|
|
this._ready = true;
|
|||
|
|
if (this.nodes) this._set(this.nodes);
|
|||
|
|
break;
|
|||
|
|
// 内容 dom 加载完毕
|
|||
|
|
case 'onLoad':
|
|||
|
|
this.height = message.height;
|
|||
|
|
this._hook('onLoad');
|
|||
|
|
this.$emit('load');
|
|||
|
|
break;
|
|||
|
|
// 所有图片加载完毕
|
|||
|
|
case 'onReady':
|
|||
|
|
this.getRect()
|
|||
|
|
.then((res) => {
|
|||
|
|
this.$emit('ready', res);
|
|||
|
|
})
|
|||
|
|
.catch(() => {});
|
|||
|
|
break;
|
|||
|
|
// 总高度发生变化
|
|||
|
|
case 'onHeightChange':
|
|||
|
|
this.height = message.height;
|
|||
|
|
break;
|
|||
|
|
// 图片点击
|
|||
|
|
case 'onImgTap':
|
|||
|
|
this.$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,
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
// 打开外链
|
|||
|
|
else if (href.includes('://')) {
|
|||
|
|
if (this.copyLink) plus.runtime.openWeb(href);
|
|||
|
|
} else
|
|||
|
|
uni.navigateTo({
|
|||
|
|
url: href,
|
|||
|
|
fail() {
|
|||
|
|
wx.switchTab({
|
|||
|
|
url: href,
|
|||
|
|
});
|
|||
|
|
},
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
// 获取到锚点的偏移量
|
|||
|
|
case 'getOffset':
|
|||
|
|
if (typeof message.offset == 'number') {
|
|||
|
|
dom.scrollToElement(this.$refs.web, {
|
|||
|
|
offset: message.offset + this._navigateTo.offset,
|
|||
|
|
});
|
|||
|
|
this._navigateTo.resolve();
|
|||
|
|
} else this._navigateTo.reject('Label not found');
|
|||
|
|
break;
|
|||
|
|
// 点击
|
|||
|
|
case 'onClick':
|
|||
|
|
this.$emit('tap');
|
|||
|
|
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 {
|
|||
|
|
overflow: auto;
|
|||
|
|
-webkit-overflow-scrolling: touch;
|
|||
|
|
/* margin: 30rpx; */
|
|||
|
|
text-align: justify;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* 长按复制 */
|
|||
|
|
._select {
|
|||
|
|
user-select: text;
|
|||
|
|
}
|
|||
|
|
/* #endif */
|
|||
|
|
</style>
|