（二）CodeMirror - 配置项

theme: string

theme:‘monokai‘　　

引入对应的css， <link rel="stylesheet" href="../theme/monokai.css">

indentUnit: integer

缩进，默认2

keyMap: string

keyMap: "sublime"　　使用sublime中快捷键

引入对应的js， <script src="../keymap/sublime.js"></script>

extraKeys: object

自定义快捷键

extraKeys: {"Ctrl-Q": "autocomplete"}

需引入：

<script src="../addon/hint/show-hint.js"></script>
<script src="../addon/hint/javascript-hint.js"></script>
<link rel="stylesheet" href="../addon/hint/show-hint.css">

// 使用tab键extraKeys: {
    "Tab": function(cm){
         var spaces = Array(cm.getOption("indentUnit") + 1).join(" ");
         cm.replaceSelection(spaces);
    }
}

gutters: array<string>

自定义lineNumber

gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter","CodeMirror-lint-markers"]

　　CodeMirror-foldgutter：展开收起

　　需引入：

　　　　<link rel="stylesheet" href="../addon/fold/foldgutter.css" />

　　　　<script src="../addon/fold/foldcode.js"></script>

　　　　<script src="../addon/fold/brace-fold.js"></script>

　　　　<script src="../addon/fold/brace-fold.js"></script>

　　 CodeMirror-lint-markers：代码错误检测

　　需引入：

　　<script src="http://ajax.aspnetcdn.com/ajax/jshint/r07/jshint.js"></script>

　　<script src="http://rawgithub.com/zaach/jsonlint/79b553fb65c192add9066da64043458981b3972b/lib/jsonlint.js"></script>

　　<script src="http://rawgithub.com/stubbornella/csslint/master/release/csslint.js"></script>

　　<script src="../addon/lint/lint.js"></script>

　　<script src="../addon/lint/javascript-lint.js"></script>

　　<script src="../addon/lint/json-lint.js"></script>

　　<script src="../addon/lint/css-lint.js"></script>

　　<link rel="stylesheet" href="../addon/lint/lint.css">