CodeViewCodeView ，按照字面意思，就是用来显示代码，并有能够进行代码高亮的一个View类型。这里是通过hightlight.js 渲染代码，可以自动识别主流的各种语言比如java,c++,c#,python,bash,ruby。。。。等等等语言并且有很多种主题风格，可以自由选择一种主题，然后将其显示比如：
既可以显示单个代码片段，也可以把html文件中所有指定的代码替换为高亮显示出来。比如对于下面的原本的html文件。
<!DOCTYPE html><html><head> <title></title></head><body><h1 id="This-is-a-code">This is a code</h1><pre class="code">#include<stdio.h>int main(){ printf("hello world");}This is another code
class Main{ private String name; Main(String name){ this.name=name; } public static void main(String []args){ Main main=new Main("hello"); System.out.println("init"); }}
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mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
