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ppt2json.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>ppt2json</title>
<link rel="stylesheet" href="static/jsoneditor.min.css">
<script src="static/jsoneditor.min.js"></script>
<style>
::-webkit-scrollbar {
width: 5px;
height: 5px;
background-color: #fff;
}
::-webkit-scrollbar-thumb {
background-color: #c1c1c1;
}
#json {
padding: 10px;
}
.jsoneditor-mode-view {
border: 2px solid #ddd;
}
.jsoneditor-menu {
display: none;
}
.jsoneditor-navigation-bar {
display: none;
}
.jsoneditor-outer.has-nav-bar.has-main-menu-bar {
margin-top: 0 !important;
padding-top: 0 !important;
}
#pageList {
list-style-type: none;
}
#pageList li {
display: inline;
padding: 1px 4px;
margin-left: 8px;
cursor: pointer;
}
.selected {
color: green;
border: 1px solid green;
}
#container > svg {
border: 1px solid #ccc;
}
</style>
</head>
<body style="margin: 20px">
<div>
<input id="file" type="file" accept="application/vnd.openxmlformats-officedocument.presentationml.presentation, application/json" onclick="document.getElementById('file').value = ''" onchange="ppt2json()" />
<span id="refresh_json" style="color: #999;cursor: pointer;margin-right: 15px;" title="刷新JSON数据" onclick="refreshJson()">刷新</span>
<span id="download_json" style="color: #317ef3;display: none;cursor: pointer;margin-right: 15px;" title="下载json数据" onclick="downloadJson()">下载json文件</span>
<span id="download_pptx" style="color: #317ef3;display: none;cursor: pointer;" title="渲染pptx并下载" onclick="json2ppt()">渲染pptx并下载</span>
</div>
<div id="json" style="margin-top: 20px"></div>
<div>
<ul id="pageList"></ul>
<span>编辑模式：</span>
<input id="mode_checkbox" type="checkbox" checked onchange="changeMode()" />
</div>
<div id="container" style="margin-top: 10px;">
<svg id="ppt_svg"></svg>
</div>
</body>
<script src="static/chart.js"></script>
<script src="static/geometry.js"></script>
<script src="static/ppt2svg.js"></script>
<script>
const apiKey = '9664f0ea9a4cee65c'
var editor = new JSONEditor(document.querySelector('#json'), {}, {})
var pptxObj = null
var selectIdx = 0
var mTimer = null
var ppt2svg = new Ppt2Svg('ppt_svg', 960, 540)
function ppt2json() {
let file = document.getElementById('file').files[0]
if (file.name.endsWith('.json')) {
let reader = new FileReader()
reader.onload = function(e) {
let json = e.target.result
let pptxObj = JSON.parse(json)
editor.set(pptxObj)
drawPageList(pptxObj)
}
reader.onerror = function(e) {
editor.set({ message: '读取错误: ' + e.target.error })
}
reader.readAsText(file)
return
}
if (file) {
let formData = new FormData()
formData.append('file', file)
let xhr = new XMLHttpRequest()
xhr.open('POST', 'https://docmee.cn/api/public/ppt/ppt2json?apiKey=' + apiKey)
editor.set({ message: '解析中，请稍后...' })
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
// 解析
let pptxObj = JSON.parse(xhr.responseText)
if (pptxObj.code == -1 && pptxObj.message) {
alert(pptxObj.message)
return
}
editor.set(pptxObj)
drawPageList(pptxObj)
} else {
editor.set({ message: 'http status: ' + xhr.status })
}
}
}
xhr.send(formData)
} else {
editor.set({ message: '请选择文件' })
}
}
function json2ppt() {
if (!pptxObj) {
return
}
// 渲染pptx并下载
if (download_pptx.innerText.indexOf('下载') == -1) {
return
}
download_pptx.innerText = '正在渲染中...'
let xhr = new XMLHttpRequest()
xhr.responseType = 'blob'
xhr.open('POST', 'https://docmee.cn/api/public/ppt/json2ppt?apiKey=' + apiKey)
xhr.setRequestHeader('Content-Type', 'application/json')
xhr.onload = function() {
if (this.status == 200) {
download_pptx.innerText = '渲染pptx并下载'
let blob = this.response
let a = document.createElement('a')
a.href = window.URL.createObjectURL(blob)
let name = 'download'
let file = document.getElementById('file').files[0]
if (file) {
name = file.name.replace('.pptx', '').replace('.json', '')
}
a.download = name + '.pptx'
a.click()
}
}
xhr.send(JSON.stringify(pptxObj))
}
function downloadJson() {
if (!pptxObj) {
return
}
let urlObject = window.URL || window.webkitURL || window
let export_blob = new Blob([JSON.stringify(pptxObj)])
let save_link = document.createElement('a')
save_link.href = urlObject.createObjectURL(export_blob)
let name = 'download'
let file = document.getElementById('file').files[0]
if (file) {
name = file.name.replace('.pptx', '').replace('.json', '')
}
save_link.download = name + '.json'
save_link.click()
}
function drawPageList(_pptxObj) {
counter = 0
selectIdx = 0
imageCache = {}
pptxObj = _pptxObj
document.getElementById('download_json').style.display = 'inline'
document.getElementById('download_pptx').style.display = 'inline'
let pageList = document.getElementById('pageList')
pageList.innerHTML = '';
for (let i = 0; i < pptxObj.pages.length; i++) {
let page = pptxObj.pages[i]
let li = document.createElement('li')
li.id = 'li_' + i
li.innerText = i + 1 + ''
li.addEventListener('click', () => {
document.getElementById('li_' + selectIdx).classList.remove('selected')
selectIdx = i
li.classList.add('selected')
ppt2svg.drawPptx(pptxObj, selectIdx)
})
if (i == selectIdx) {
li.classList.add('selected')
}
pageList.appendChild(li)
}
ppt2svg.drawPptx(pptxObj, selectIdx)
}
function refreshJson() {
pptxObj = editor.get()
ppt2svg.drawPptx(pptxObj, selectIdx)
}
function changeMode() {
ppt2svg.setMode(document.getElementById('mode_checkbox').checked ? 'edit' : 'view')
}
ppt2svg.onchange = (elementObj) => {
editor.set(pptxObj)
}
changeMode()
</script>
</html>