187 lines
6.8 KiB
HTML
187 lines
6.8 KiB
HTML
<!DOCTYPE html>
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<html lang="cn">
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<head>
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<meta charset="UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<base target="_blank">
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<title>anki-md模板测试</title>
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</head>
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<style>
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/* 这个需要复制到anki的css样式的那个窗口里 */
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.markdown-body {
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box-sizing: border-box;
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min-width: 200px;
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max-width: 980px;
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margin: 0 auto;
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padding: 45px;
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}
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@media (max-width: 767px) {
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.markdown-body {
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padding: 15px;
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}
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}
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/* 初始状态下设置透明度为0 */
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.md-content {
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opacity: 0;
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transition: opacity 0.3s ease-in-out;
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}
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</style>
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<body>
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<br />\[x = {-b \pm \sqrt{b^2-4ac} \over 2a}\]<br />
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<div id="test" class="md-content">
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When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they
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are 只有这个是正常的 $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
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</div>
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<div class="md-content">* 呵呵 # 我看你真是老糊涂了</div>
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<script>
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'use strict'
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// 在anki中查看调试信息
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function consoleLog(str) {
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var div = document.createElement('div')
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div.innerHTML = str
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document.body.appendChild(div)
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}
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var JQ_CDN =
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'https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js'
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var SHOWDOWN_CDN =
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'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/showdown/2.0.0/showdown.min.js'
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var HIGHLIGHT_JS_CDN =
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'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/highlight.min.js'
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var es6CDN = 'https://polyfill.io/v3/polyfill.min.js?features=es6'
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var MATHJAX_CDN =
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'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/mathjax/3.2.0/es5/tex-chtml-full.js'
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var HIGHLIGHT_CSS_CDN =
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'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/styles/base16/onedark.min.css'
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var GITHUB_MARKDOWN_CSS_CDN =
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'https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/github-markdown-css/5.1.0/github-markdown.css'
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// 加载库文件
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var createScript = (src) => {
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var scriptElement = document.createElement('script')
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scriptElement.src = src
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scriptElement.async = true
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scriptElement.type = 'text/javascript'
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document.head.appendChild(scriptElement)
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return new Promise((resolve) => {
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scriptElement.onload = function () {
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resolve(src)
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}
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})
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}
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// 加载css文件
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var createLink = (url) => {
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var linkElement = document.createElement('link')
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linkElement.rel = 'stylesheet'
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linkElement.href = url
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linkElement.onload = () => {}
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document.head.appendChild(linkElement)
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}
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// 清除br标签
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// anki自动生成的<br>全部干掉 严格按照原生换行来写
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var clearBR = (str) => {
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str = str.replace(/<br>/g, '\r\n')
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return str
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}
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var clearBlankNbsp = (str) => {
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str = str.replace(/ /g, ' ')
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return str
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}
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// 反转义 HTML 实体，确保卡片中所有的符号正常
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// Eg. #include <stdio.h>
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var unescapeHTMLEntities = (innerHTML) => Object.assign(document.createElement('textarea'), {innerHTML}).value;
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// 解析（入口方法）
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var parseMarkDown = () => {
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var convert = new showdown.Converter({
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// 启用对md中对图像尺寸的支持
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//  simple, assumes units are in px
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//  sets the height to "auto"
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//  Image with width of 80% and height of 5em
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parseImgDimensions: true,
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// 启用对删除线的支持
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strikethrough: true,
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// 启用对表格语法的支持
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tables: true,
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// 启用checkbox的支持
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tasklists: true,
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// 尝试巧妙地修复与缩进代码中间与 es6 模板字符串相关的缩进问题
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smartIndentationFix: true,
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// 将换行符解析为 <br>，行尾不需要2个空格
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simpleLineBreaks: true,
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// 反斜杠转义html
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backslashEscapesHTMLTags: true,
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// 禁用将子列表缩进4个空格以使其嵌套的要求，有效地恢复到2或3个空格足够的旧行为
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// disableforced4spacesindentedsublist: true,
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ghCodeBlocks: true,
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})
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// 好像是失效的？？不管用呢
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// convert.setFlavor('github')
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document.querySelectorAll('.md-content').forEach((div, index) => {
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console.log('查找到的容器元素', div)
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div.innerHTML = clearBlankNbsp(div.innerHTML)
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var text = unescapeHTMLEntities(div.innerHTML)
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console.log('text', text)
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var thisConverterSpecificOptions = convert.getOptions()
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console.log('当前的配置项', thisConverterSpecificOptions)
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// 清除br标签
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text = clearBR(text)
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// 👇关键核心md转换
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var html = convert.makeHtml(text)
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var newDiv = document.createElement('div')
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var hr = document.createElement('hr')
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newDiv.innerHTML = html
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// 激活github-markdown-css
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newDiv.className = 'markdown-body'
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div.parentNode.insertBefore(newDiv, div.nextSibling)
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index === 1 ? div.parentNode.insertBefore(hr, div.nextSibling) : null
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div.className = `x-${index}`
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div.style.display = 'none'
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// 不能从body直接插入元素 anki 不刷新的 淦
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})
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}
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createLink(GITHUB_MARKDOWN_CSS_CDN)
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createLink(HIGHLIGHT_CSS_CDN)
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function texToHtml(texString) {
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// 使用MathJax的tex2chtml函数将TeX字符串转换为HTML节点
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const node = MathJax.tex2chtml(texString)
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// 返回HTML字符串
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return node.outerHTML
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}
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createScript(SHOWDOWN_CDN)
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.then(() => {
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return createScript(HIGHLIGHT_JS_CDN)
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})
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.then(() => {
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// anki模板无法使用window.onload我怀疑是被占用了
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// window.onload = parseMarkDown
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// 可以尝试手动清除anki生成的<br>
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parseMarkDown()
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})
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.then(() => {
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// 自动代码高亮
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hljs.highlightAll()
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})
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.then(() => {
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// 清除重复项 试试
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var repeatEl = document.querySelectorAll('.x-0')
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repeatEl.forEach((el, i) => {
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if (i === repeatEl.length - 1) {
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return
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}
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document.body.removeChild(el)
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})
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})
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</script>
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</body>
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</html>
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