浏览器代码编辑器组件。
引用代码
<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/codemirror/5.65.16/codemirror.min.css">\n<script src="https://cdn.bootcdn.net/ajax/libs/codemirror/5.65.16/codemirror.min.js"></script>资源地址
https://cdn.bootcdn.net/ajax/libs/codemirror/5.65.16/codemirror.min.js