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<!doctype html>
<html class="no-js" lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>
分享一个把 HTML 转换成印象笔记格式的库，支持代码高亮和把 ECharts、mermaid 转成印象笔记支持的图片，另外：MWeb 半价促销一周。 - Coder For Art
</title>
<link href="atom.xml" rel="alternate" title="Coder For Art" type="application/atom+xml">
<link rel="stylesheet" href="asset/css/foundation.min.css" />
<link rel="stylesheet" href="asset/css/docs.css" />
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<script type="text/javascript">
function before_search(){
var searchVal = 'site:coderforart.com ' + document.getElementById('search_input').value;
document.getElementById('search_q').value = searchVal;
return true;
}
</script>
</head>
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<div class="inner-wrap">
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<li><a href="Cocoa.html">Cocoa</a></li>
<li><a href="CG%20Artist.html">CG Artist</a></li>
<li><a href="Game%20Engine.html">Game Engine</a></li>
<li><a href="MWeb-cat.html">MWeb</a></li>
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<div class="article">
<h1>分享一个把 HTML 转换成印象笔记格式的库，支持代码高亮和把 ECharts、mermaid 转成印象笔记支持的图片，另外：MWeb 半价促销一周。</h1>
<div class="read-more clearfix">
<span class="date">2016/09/05</span>
<span>posted in </span>
<span class="posted-in"><a href='MWeb-cat.html'>MWeb</a></span>
<span class="comments">
<a href="http://coderforart.com/14730440789266.html#disqus_thread">comments</a>
</span>
</div>
</div><!-- article -->
<div class="article-content">
<p>先说说 html2enml 这个库，github 网址：<a href="https://github.com/cyhhao/html2enml">https://github.com/cyhhao/html2enml</a>。</p>
<p>这个库是由 <a href="http://weibo.com/u/1587579460">cyhhao</a> 特意为 MWeb 做的，但是我觉得对于有分享到印象笔记功能需求的朋友非常有用，所以分享出来。</p>
<p>这个库的原理和用法在作者的 github 中有详细说明了，我这里主要说说在套进 MWeb 过程中遇到的小问题的解决方案。</p>
<p>第一个问题是 SVG 问题，Mermaid 是用 SVG 而不是 Canvas 画图的，不能直接像 Canvas 这样转。解决这个问题花了不少时间，但是其实很简单。只需要在增加 inline 样式后，再用以下代码就可以搞定了：</p>
<pre><code class="language-javascript">$('svg').each(function(){
var ele = $(this);
var w = ele.width();
var serializer = new XMLSerializer();
var source = serializer.serializeToString(this);
$('<img src="data:image/svg+xml;charset=utf8,'+encodeURIComponent(source) +'" />').whith(w).insertAfter(ele);
ele.parent().removeAttr('data-processed');
ele.remove();
});
</code></pre>
<p>另外就是，印象笔记的 enml 格式实际上是一个 xml，但是一般的 html 都不会严格按照 xml 格式，这就要转化为 xml 格式，测试下来，我发现以下代码的方法非常合适而且好用，代码如下：</p>
<pre><code class="language-javascript">var html = $('body').html();
var bodyStyle = $('body').attr('style'); if(!bodyStyle) bodyStyle = '';
var htmlString = "<div style=\"" + bodyStyle + "\">" + html + "</div>";
var doc = new DOMParser().parseFromString(htmlString, 'text/html');
var result = new XMLSerializer().serializeToString(doc);
</code></pre>
<p>最后做一下广告：MWeb 半价促销一周 (9/5~9/11)，￥98 --> ￥50！这次应该是今年最后一次促销了，需要的朋友不要错过了！</p>
<p>MWeb 官网：<a href="http://zh.mweb.im/">http://zh.mweb.im/</a><br/>
MAS ：<a href="https://itunes.apple.com/cn/app/mweb-pro-markdown-writing/id954188948?l=zh&ls=1&mt=12">https://itunes.apple.com/cn/app/mweb-pro-markdown-writing/id954188948?l=zh&ls=1&mt=12</a></p>
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<a href="mweb-for-ios-test.html"
title="Previous Post: MWeb for iOS 测试版介绍">« MWeb for iOS 测试版介绍</a>
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<a href="mweb-2.0.7-release.html"
title="Next Post: MWeb 2.0.7 版发布！">MWeb 2.0.7 版发布！ »</a>
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<h1>Coder For Art</h1>
<div class="site-des">I'm an indie Mac/iOS developer, also want to be a CG artist</div>
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