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2026-10-08 18:34:09 +08:00
commit 2933904f4c
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// 以下项目可以删减或更换顺序,但不能添加或更改名字
export default {
// 普通标签的菜单项
node: ['大小', '颜色', '斜体', '粗体', '下划线', '居中', '缩进', '上移', '下移', '删除'],
// 可以设置的文字颜色,此项可以添加 css 颜色
color: ['red', 'yellow', 'blue', 'green', 'gray', 'white', 'black'],
// 图片的菜单项
img: ['换图', '宽度', '超链接', '预览图', '禁用预览', '上移', '下移', '删除'],
// 链接的菜单项
link: ['更换链接', '上移', '下移', '删除'],
// 音视频的菜单项
media: ['封面', '循环', '自动播放', '上移', '下移', '删除'],
// 卡片的菜单项
card: ['上移', '下移', '删除']
}
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/**
* @fileoverview editable 插件
*/
import config from './config'
import Parser from '../parser'
function Editable (vm) {
this.vm = vm
this.editHistory = [] // 历史记录
this.editI = -1 // 历史记录指针
vm._mask = [] // 蒙版被点击时进行的操作
vm._setData = function (path, val) {
const paths = path.split('.')
let target = vm
for (let i = 0; i < paths.length - 1; i++) {
target = target[paths[i]]
}
vm.$set(target, paths.pop(), val)
}
/**
* @description 移动历史记录指针
* @param {Number} num 移动距离
*/
const move = num => {
setTimeout(() => {
const item = this.editHistory[this.editI + num]
if (item) {
this.editI += num
vm._setData(item.key, item.value)
}
}, 200)
}
vm.undo = () => move(-1) // 撤销
vm.redo = () => move(1) // 重做
/**
* @description 更新记录
* @param {String} path 更新内容路径
* @param {*} oldVal 旧值
* @param {*} newVal 新值
* @param {Boolean} set 是否更新到视图
* @private
*/
vm._editVal = (path, oldVal, newVal, set) => {
// 当前指针后的内容去除
while (this.editI < this.editHistory.length - 1) {
this.editHistory.pop()
}
// 最多存储 30 条操作记录
while (this.editHistory.length > 30) {
this.editHistory.pop()
this.editI--
}
const last = this.editHistory[this.editHistory.length - 1]
if (!last || last.key !== path) {
if (last) {
// 去掉上一次的新值
this.editHistory.pop()
this.editI--
}
// 存入这一次的旧值
this.editHistory.push({
key: path,
value: oldVal
})
this.editI++
}
// 存入本次的新值
this.editHistory.push({
key: path,
value: newVal
})
this.editI++
// 更新到视图
if (set) {
vm._setData(path, newVal)
}
}
/**
* @description 获取菜单项
* @private
*/
vm._getItem = function (node, up, down) {
let items
let i
if (node === 'color') {
return config.color
}
if (node.name === 'img') {
items = config.img.slice(0)
if (!vm.getSrc) {
i = items.indexOf('换图')
if (i !== -1) {
items.splice(i, 1)
}
i = items.indexOf('超链接')
if (i !== -1) {
items.splice(i, 1)
}
i = items.indexOf('预览图')
if (i !== -1) {
items.splice(i, 1)
}
}
i = items.indexOf('禁用预览')
if (i !== -1 && node.attrs.ignore) {
items[i] = '启用预览'
}
} else if (node.name === 'a') {
items = config.link.slice(0)
if (!vm.getSrc) {
i = items.indexOf('更换链接')
if (i !== -1) {
items.splice(i, 1)
}
}
} else if (node.name === 'video' || node.name === 'audio') {
items = config.media.slice(0)
i = items.indexOf('封面')
if (!vm.getSrc && i !== -1) {
items.splice(i, 1)
}
i = items.indexOf('循环')
if (node.attrs.loop && i !== -1) {
items[i] = '不循环'
}
i = items.indexOf('自动播放')
if (node.attrs.autoplay && i !== -1) {
items[i] = '不自动播放'
}
} else if (node.name === 'card') {
items = config.card.slice(0)
} else {
items = config.node.slice(0)
}
if (!up) {
i = items.indexOf('上移')
if (i !== -1) {
items.splice(i, 1)
}
}
if (!down) {
i = items.indexOf('下移')
if (i !== -1) {
items.splice(i, 1)
}
}
return items
}
/**
* @description 显示 tooltip
* @param {object} obj
* @private
*/
vm._tooltip = function (obj) {
vm.$set(vm, 'tooltip', {
top: obj.top,
items: obj.items
})
vm._tooltipcb = obj.success
}
/**
* @description 显示滚动条
* @param {object} obj
* @private
*/
vm._slider = function (obj) {
vm.$set(vm, 'slider', {
min: obj.min,
max: obj.max,
value: obj.value,
top: obj.top
})
vm._slideringcb = obj.changing
vm._slidercb = obj.change
}
/**
* @description 显示颜色选择
* @param {object} obj
* @private
*/
vm._color = function (obj) {
vm.$set(vm, 'color', {
items: obj.items,
top: obj.top
})
vm._colorcb = obj.success
}
/**
* @description 点击蒙版
* @private
*/
vm._maskTap = function () {
// 隐藏所有悬浮窗
while (vm._mask.length) {
(vm._mask.pop())()
}
if (vm.tooltip) {
vm.$set(vm, 'tooltip', null)
}
if (vm.slider) {
vm.$set(vm, 'slider', null)
}
if (vm.color) {
vm.$set(vm, 'color', null)
}
}
/**
* @description 插入节点
* @param {Object} node
*/
function insert (node) {
if (vm._edit) {
vm._edit.insert(node)
} else {
const nodes = vm.nodes.slice(0)
nodes.push(node)
vm._editVal('nodes', vm.nodes, nodes, true)
}
}
/**
* @description 在光标处插入指定 html 内容
* @param {String} html 内容
*/
vm.insertHtml = html => {
this.inserting = true
const arr = new Parser(vm).parse(html)
this.inserting = undefined
for (let i = 0; i < arr.length; i++) {
insert(arr[i])
}
}
/**
* @description 在光标处插入图片
*/
vm.insertImg = function () {
vm.getSrc && vm.getSrc('img').then(src => {
if (typeof src === 'string') {
src = [src]
}
const parser = new Parser(vm)
for (let i = 0; i < src.length; i++) {
insert({
name: 'img',
attrs: {
src: parser.getUrl(src[i])
}
})
}
}).catch(() => { })
}
/**
* @description 在光标处插入一个链接
*/
vm.insertLink = function () {
vm.getSrc && vm.getSrc('link').then(url => {
insert({
name: 'a',
attrs: {
href: url
},
children: [{
type: 'text',
text: url
}]
})
}).catch(() => { })
}
/**
* @description 在光标处插入一个表格
* @param {Number} rows 行数
* @param {Number} cols 列数
*/
vm.insertTable = function (rows, cols) {
const table = {
name: 'table',
attrs: {
style: 'display:table;width:100%;margin:10px 0;text-align:center;border-spacing:0;border-collapse:collapse;border:1px solid gray'
},
children: []
}
for (let i = 0; i < rows; i++) {
const tr = {
name: 'tr',
attrs: {},
children: []
}
for (let j = 0; j < cols; j++) {
tr.children.push({
name: 'td',
attrs: {
style: 'padding:2px;border:1px solid gray'
},
children: [{
type: 'text',
text: ''
}]
})
}
table.children.push(tr)
}
insert(table)
}
/**
* @description 插入视频/音频
* @param {Object} node
*/
function insertMedia (node) {
if (typeof node.src === 'string') {
node.src = [node.src]
}
const parser = new Parser(vm)
// 拼接主域名
for (let i = 0; i < node.src.length; i++) {
node.src[i] = parser.getUrl(node.src[i])
}
insert({
name: 'div',
attrs: {
style: 'text-align:center'
},
children: [node]
})
}
/**
* @description 在光标处插入一个视频
*/
vm.insertVideo = function () {
vm.getSrc && vm.getSrc('video').then(src => {
insertMedia({
name: 'video',
attrs: {
controls: 'T'
},
children: [],
src,
// #ifdef APP-PLUS
html: `<video src="${src}" style="width:100%;height:100%"></video>`
// #endif
})
}).catch(() => { })
}
/**
* @description 在光标处插入一个音频
*/
vm.insertAudio = function () {
vm.getSrc && vm.getSrc('audio').then(attrs => {
let src
if (attrs.src) {
src = attrs.src
attrs.src = undefined
} else {
src = attrs
attrs = {}
}
attrs.controls = 'T'
insertMedia({
name: 'audio',
attrs,
children: [],
src
})
}).catch(() => { })
}
/**
* @description 在光标处插入一段文本
*/
vm.insertText = function () {
insert({
name: 'p',
attrs: {},
children: [{
type: 'text',
text: ''
}]
})
}
/**
* @description 清空内容
*/
vm.clear = function () {
vm._maskTap()
vm._edit = undefined
vm.$set(vm, 'nodes', [{
name: 'p',
attrs: {},
children: [{
type: 'text',
text: ''
}]
}])
}
/**
* @description 获取编辑后的 html
*/
vm.getContent = function () {
let html = '';
// 递归遍历获取
(function traversal (nodes, table) {
for (let i = 0; i < nodes.length; i++) {
let item = nodes[i]
if (item.type === 'text') {
html += item.text.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\n/g, '<br>').replace(/\xa0/g, '&nbsp;') // 编码实体
} else {
if (item.name === 'img') {
item.attrs.i = ''
// 还原被转换的 svg
if ((item.attrs.src || '').includes('data:image/svg+xml;utf8,')) {
html += item.attrs.src.substr(24).replace(/%23/g, '#').replace('<svg', '<svg style="' + (item.attrs.style || '') + '"')
continue
}
} else if (item.name === 'video' || item.name === 'audio') {
// 还原 video 和 audio 的 source
item = JSON.parse(JSON.stringify(item))
if (item.src.length > 1) {
item.children = []
for (let j = 0; j < item.src.length; j++) {
item.children.push({
name: 'source',
attrs: {
src: item.src[j]
}
})
}
} else {
item.attrs.src = item.src[0]
}
} else if (item.name === 'div' && (item.attrs.style || '').includes('overflow:auto') && (item.children[0] || {}).name === 'table') {
// 还原滚动层
item = item.children[0]
}
// 还原 table
if (item.name === 'table') {
item = JSON.parse(JSON.stringify(item))
table = item.attrs
if ((item.attrs.style || '').includes('display:grid')) {
item.attrs.style = item.attrs.style.split('display:grid')[0]
const children = [{
name: 'tr',
attrs: {},
children: []
}]
for (let j = 0; j < item.children.length; j++) {
item.children[j].attrs.style = item.children[j].attrs.style.replace(/grid-[^;]+;*/g, '')
if (item.children[j].r !== children.length) {
children.push({
name: 'tr',
attrs: {},
children: [item.children[j]]
})
} else {
children[children.length - 1].children.push(item.children[j])
}
}
item.children = children
}
}
html += '<' + item.name
for (const attr in item.attrs) {
let val = item.attrs[attr]
if (!val) continue
if (val === 'T' || val === true) {
// bool 型省略值
html += ' ' + attr
continue
} else if (item.name[0] === 't' && attr === 'style' && table) {
// 取消为了显示 table 添加的 style
val = val.replace(/;*display:table[^;]*/, '')
if (table.border) {
val = val.replace(/border[^;]+;*/g, $ => $.includes('collapse') ? $ : '')
}
if (table.cellpadding) {
val = val.replace(/padding[^;]+;*/g, '')
}
if (!val) continue
}
html += ' ' + attr + '="' + val.replace(/"/g, '&quot;') + '"'
}
html += '>'
if (item.children) {
traversal(item.children, table)
html += '</' + item.name + '>'
}
}
}
})(vm.nodes)
// 其他插件处理
for (let i = vm.plugins.length; i--;) {
if (vm.plugins[i].onGetContent) {
html = vm.plugins[i].onGetContent(html) || html
}
}
return html
}
}
Editable.prototype.onUpdate = function (content, config) {
if (this.vm.editable) {
this.vm._maskTap()
config.entities.amp = '&'
if (!this.inserting) {
this.vm._edit = undefined
if (!content) {
setTimeout(() => {
this.vm.$set(this.vm, 'nodes', [{
name: 'p',
attrs: {},
children: [{
type: 'text',
text: ''
}]
}])
}, 0)
}
}
}
}
Editable.prototype.onParse = function (node) {
// 空白单元格可编辑
if (this.vm.editable && (node.name === 'td' || node.name === 'th') && !this.vm.getText(node.children)) {
node.children.push({
type: 'text',
text: ''
})
}
}
export default Editable
+596
View File
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<template>
<view id="_root" :class="(selectable?'_select ':'')+'_root'" :style="(editable?'min-height:200px;':'')+containerStyle" @tap="_containTap">
<slot v-if="!nodes[0]" />
<!-- #ifndef APP-PLUS-NVUE -->
<node v-else :childs="nodes" :opts="[lazyLoad,loadingImg,errorImg,showImgMenu,selectable,editable,placeholder,'nodes']" 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 v-if="tooltip" class="_tooltip_contain" :style="'top:'+tooltip.top+'px'">
<view class="_tooltip">
<view v-for="(item, index) in tooltip.items" v-bind:key="index" class="_tooltip_item" :data-i="index" @tap="_tooltipTap">{{item}}</view>
</view>
</view>
<view v-if="slider" class="_slider" :style="'top:'+slider.top+'px'">
<slider :value="slider.value" :min="slider.min" :max="slider.max" handle-size="14" block-size="14" show-value activeColor="white" style="padding:3px" @changing="_sliderChanging" @change="_sliderChange" />
</view>
<view v-if="color" class="_tooltip_contain" :style="'top:'+color.top+'px'">
<view class="_tooltip" style="overflow-y: hidden;">
<view v-for="(item, index) in color.items" v-bind:key="index" class="_color_item" :style="'background-color:'+item" :data-i="index" @tap="_colorTap"></view>
</view>
</view>
</view>
</template>
<script>
/**
* mp-html v2.4.3
* @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'
import style from './style/index.js'
import editable from './editable/index.js'
const plugins=[style,editable,]
// #ifdef APP-PLUS-NVUE
const dom = weex.requireModule('dom')
// #endif
export default {
name: 'mp-html',
data() {
return {
tooltip: null,
slider: null,
color: null,
nodes: [],
// #ifdef APP-PLUS-NVUE
height: 3
// #endif
}
},
props: {
editable: Boolean,
placeholder: String,
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: {
editable(val) {
this.setContent(val ? this.content : this.getContent())
if (!val)
this._maskTap()
},
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.editable) && !this.nodes.length) {
this.setContent(this.content)
}
},
beforeDestroy () {
this._hook('onDetached')
},
methods: {
_containTap() {
if (!this._lock && !this.slider && !this.color) {
this._edit = undefined
this._maskTap()
}
},
_tooltipTap(e) {
this._tooltipcb(e.currentTarget.dataset.i)
this.$set(this, 'tooltip', null)
},
_sliderChanging(e) {
this._slideringcb(e.detail.value)
},
_sliderChange(e) {
this._slidercb(e.detail.value)
},
_colorTap(e) {
this._colorcb(e.currentTarget.dataset.i)
this.$set(this, 'color', null)
},
/**
* @description 将锚点跳转的范围限定在一个 scroll-view 内
* @param {Object} page scroll-view 所在页面的示例
* @param {String} selector scroll-view 的选择器
* @param {String} scrollTop scroll-view scroll-top 属性绑定的变量名
*/
in (page, selector, scrollTop) {
// #ifndef APP-PLUS-NVUE
if (page && selector && scrollTop) {
this._in = {
page,
selector,
scrollTop
}
}
// #endif
},
/**
* @description 锚点跳转
* @param {String} id 要跳转的锚点 id
* @param {Number} offset 跳转位置的偏移量
* @returns {Promise}
*/
navigateTo (id, offset) {
return new Promise((resolve, reject) => {
if (!this.useAnchor) {
reject(Error('Anchor is disabled'))
return
}
offset = offset || parseInt(this.useAnchor) || 0
// #ifdef APP-PLUS-NVUE
if (!id) {
dom.scrollToElement(this.$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 {
vk.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 */
/* 提示条 */
._tooltip_contain {
position: absolute;
right: 20px;
left: 20px;
text-align: center;
}
._tooltip {
box-sizing: border-box;
display: inline-block;
width: auto;
max-width: 100%;
height: 30px;
padding: 0 3px;
overflow: scroll;
font-size: 14px;
line-height: 30px;
white-space: nowrap;
}
._tooltip_item {
display: inline-block;
width: auto;
padding: 0 2vw;
line-height: 30px;
background-color: black;
color: white;
}
._color_item {
display: inline-block;
width: 18px;
height: 18px;
margin: 5px 2vw;
border:1px solid #dfe2e5;
border-radius: 50%;
}
/* 图片宽度滚动条 */
._slider {
position: absolute;
left: 20px;
width: 220px;
}
._tooltip,
._slider {
background-color: black;
border-radius: 3px;
opacity: 0.75;
}
</style>
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/**
* @fileoverview style 插件
*/
// #ifndef APP-PLUS-NVUE
import Parser from './parser'
// #endif
function Style () {
this.styles = []
}
// #ifndef APP-PLUS-NVUE
Style.prototype.onParse = function (node, vm) {
// 获取样式
if (node.name === 'style' && node.children.length && node.children[0].type === 'text') {
this.styles = this.styles.concat(new Parser().parse(node.children[0].text))
} else if (node.name) {
// 匹配样式(对非文本标签)
// 存储不同优先级的样式 name < class < id < 后代
let matched = ['', '', '', '']
for (let i = 0, len = this.styles.length; i < len; i++) {
const item = this.styles[i]
let res = match(node, item.key || item.list[item.list.length - 1])
let j
if (res) {
// 后代选择器
if (!item.key) {
j = item.list.length - 2
for (let k = vm.stack.length; j >= 0 && k--;) {
// 子选择器
if (item.list[j] === '>') {
// 错误情况
if (j < 1 || j > item.list.length - 2) break
if (match(vm.stack[k], item.list[j - 1])) {
j -= 2
} else {
j++
}
} else if (match(vm.stack[k], item.list[j])) {
j--
}
}
res = 4
}
if (item.key || j < 0) {
// 添加伪类
if (item.pseudo && node.children) {
let text
item.style = item.style.replace(/content:([^;]+)/, (_, $1) => {
text = $1.replace(/['"]/g, '')
// 处理 attr 函数
.replace(/attr\((.+?)\)/, (_, $1) => node.attrs[$1.trim()] || '')
// 编码 \xxx
.replace(/\\(\w{4})/, (_, $1) => String.fromCharCode(parseInt($1, 16)))
return ''
})
const pseudo = {
name: 'span',
attrs: {
style: item.style
},
children: [{
type: 'text',
text
}]
}
if (item.pseudo === 'before') {
node.children.unshift(pseudo)
} else {
node.children.push(pseudo)
}
} else {
matched[res - 1] += item.style + (item.style[item.style.length - 1] === ';' ? '' : ';')
}
}
}
}
matched = matched.join('')
if (matched.length > 2) {
node.attrs.style = matched + (node.attrs.style || '')
}
}
}
/**
* @description 匹配样式
* @param {object} node 要匹配的标签
* @param {string|string[]} keys 选择器
* @returns {number} 0:不匹配;1:name 匹配;2:class 匹配;3:id 匹配
*/
function match (node, keys) {
function matchItem (key) {
if (key[0] === '#') {
// 匹配 id
if (node.attrs.id && node.attrs.id.trim() === key.substr(1)) return 3
} else if (key[0] === '.') {
// 匹配 class
key = key.substr(1)
const selectors = (node.attrs.class || '').split(' ')
for (let i = 0; i < selectors.length; i++) {
if (selectors[i].trim() === key) return 2
}
} else if (node.name === key) {
// 匹配 name
return 1
}
return 0
}
// 多选择器交集
if (keys instanceof Array) {
let res = 0
for (let j = 0; j < keys.length; j++) {
const tmp = matchItem(keys[j])
// 任意一个不匹配就失败
if (!tmp) return 0
// 优先级最大的一个作为最终优先级
if (tmp > res) {
res = tmp
}
}
return res
}
return matchItem(keys)
}
// #endif
export default Style
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const blank = {
' ': true,
'\n': true,
'\t': true,
'\r': true,
'\f': true
}
function Parser () {
this.styles = []
this.selectors = []
}
/**
* @description 解析 css 字符串
* @param {string} content css 内容
*/
Parser.prototype.parse = function (content) {
new Lexer(this).parse(content)
return this.styles
}
/**
* @description 解析到一个选择器
* @param {string} name 名称
*/
Parser.prototype.onSelector = function (name) {
// 不支持的选择器
if (name.includes('[') || name.includes('*') || name.includes('@')) return
const selector = {}
// 伪类
if (name.includes(':')) {
const info = name.split(':')
const pseudo = info.pop()
if (pseudo === 'before' || pseudo === 'after') {
selector.pseudo = pseudo
name = info[0]
} else return
}
// 分割交集选择器
function splitItem (str) {
const arr = []
let i, start
for (i = 1, start = 0; i < str.length; i++) {
if (str[i] === '.' || str[i] === '#') {
arr.push(str.substring(start, i))
start = i
}
}
if (!arr.length) {
return str
} else {
arr.push(str.substring(start, i))
return arr
}
}
// 后代选择器
if (name.includes(' ')) {
selector.list = []
const list = name.split(' ')
for (let i = 0; i < list.length; i++) {
if (list[i].length) {
// 拆分子选择器
const arr = list[i].split('>')
for (let j = 0; j < arr.length; j++) {
selector.list.push(splitItem(arr[j]))
if (j < arr.length - 1) {
selector.list.push('>')
}
}
}
}
} else {
selector.key = splitItem(name)
}
this.selectors.push(selector)
}
/**
* @description 解析到选择器内容
* @param {string} content 内容
*/
Parser.prototype.onContent = function (content) {
// 并集选择器
for (let i = 0; i < this.selectors.length; i++) {
this.selectors[i].style = content
}
this.styles = this.styles.concat(this.selectors)
this.selectors = []
}
/**
* @description css 词法分析器
* @param {object} handler 高层处理器
*/
function Lexer (handler) {
this.selector = ''
this.style = ''
this.handler = handler
}
Lexer.prototype.parse = function (content) {
this.i = 0
this.content = content
this.state = this.blank
for (let len = content.length; this.i < len; this.i++) {
this.state(content[this.i])
}
}
Lexer.prototype.comment = function () {
this.i = this.content.indexOf('*/', this.i) + 1
if (!this.i) {
this.i = this.content.length
}
}
Lexer.prototype.blank = function (c) {
if (!blank[c]) {
if (c === '/' && this.content[this.i + 1] === '*') {
this.comment()
return
}
this.selector += c
this.state = this.name
}
}
Lexer.prototype.name = function (c) {
if (c === '/' && this.content[this.i + 1] === '*') {
this.comment()
return
}
if (c === '{' || c === ',' || c === ';') {
this.handler.onSelector(this.selector.trimEnd())
this.selector = ''
if (c !== '{') {
while (blank[this.content[++this.i]]);
}
if (this.content[this.i] === '{') {
this.floor = 1
this.state = this.val
} else {
this.selector += this.content[this.i]
}
} else if (blank[c]) {
this.selector += ' '
} else {
this.selector += c
}
}
Lexer.prototype.val = function (c) {
if (c === '/' && this.content[this.i + 1] === '*') {
this.comment()
return
}
if (c === '{') {
this.floor++
} else if (c === '}') {
this.floor--
if (!this.floor) {
this.handler.onContent(this.style)
this.style = ''
this.state = this.blank
return
}
}
this.style += c
}
export default Parser