206 lines
5.9 KiB
HTML
206 lines
5.9 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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<title>anki-md模板测试</title>
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</head>
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<style>
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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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<!-- prettier-ignore -->
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<div class="md-content">
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### 我看showdown真是老糊涂了
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</div>
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<!-- prettier-ignore -->
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<div class="md-content">
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> 呵呵呵
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> 呵呵呵哈哈哈哈
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> 喜喜
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# 一级标题
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## 二级标题
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### 三级标题
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#### 四级标题
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##### 五级标题
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###### 六级标题
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---
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**加粗**
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*斜体*
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***加粗斜体***
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---
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> 引用
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---
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- 无序列表
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- 无序列表
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- 无序列表
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---
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1. 有序列表
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2. 有序列表
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3. 有序列表
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---
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[链接](https://www.baidu.com)
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---
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---
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`行内代码`
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---
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```javascript
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// 代码块
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console.log('hello world')
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```
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</div>
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<!--
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整个script内容(包括script标签)
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需要复制到anki的卡片模板中
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-->
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<script>
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'use strict'
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// 在anki中查看调试信息 没控制台啊
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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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// https://github.com/markdown-it/markdown-it
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var MARKDOWN_IT_CDN =
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'https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/markdown-it/12.3.2/markdown-it.min.js'
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// 代码高亮库
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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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// 代码高亮样式
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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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// github-markdown-css
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var GITHUB_MARKDOWN_CSS_CDN =
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'https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/github-markdown-css/5.1.0/github-markdown.min.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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createLink(GITHUB_MARKDOWN_CSS_CDN)
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createLink(HIGHLIGHT_CSS_CDN)
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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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// 清除空格实体字符
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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) =>
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Object.assign(document.createElement('textarea'), { innerHTML }).value
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// 解析（入口main方法）
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var parseMarkDownFn = () => {
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const md = markdownit({
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html: true, // 若为 false 将导致 anki 自带的公式渲染失效。
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linkify: true,
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typographer: true,
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breaks: true,
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highlight: function (str, lang) {
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if (lang && hljs.getLanguage(lang)) {
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try {
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return hljs.highlight(str, { language: lang }).value
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} catch (__) {}
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}
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return '' // use external default escaping
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},
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})
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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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// 需要去除首尾空格 不然markdown-it会解析错误
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var text = unescapeHTMLEntities(div.innerHTML).trim()
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console.log('text', text)
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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 = md.render(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
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})
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}
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createScript(HIGHLIGHT_JS_CDN)
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.then(() => {
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return createScript(MARKDOWN_IT_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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parseMarkDownFn()
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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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