js的在线编辑器codemirror

##初始化在线编辑器
codemirror.css
codemirror.js
/js/codemirror/addon/selection/active-line.js
/js/codemirror/addon/edit/matchbrackets.js
/js/codemirror/addon/display/fullscreen.js
/js/codemirror/mode/javascript/javascript.js
/js/codemirror/theme/eclipse.css
/js/codemirror/addon/fold/foldgutter.css
/js/codemirror/addon/fold/foldcode.js
/js/codemirror/addon/fold/foldgutter.js
/js/codemirror/addon/fold/brace-fold.js
/js/codemirror/addon/fold/comment-fold.js
/js/codemirror/addon/lint/lint.css
/js/jsonlint.js
/js/codemirror/addon/lint/lint.js
/js/codemirror/addon/lint/json-lint.js
/js/beautify.min.js



 //初始化编辑器
    var editor = CodeMirror.fromTextArea(document.querySelector(".inputrule"), {
        lineNumbers: true,     // 显示行数
        indentUnit: 4,         // 缩进单位为4
        styleActiveLine: true, // 当前行背景高亮
        matchBrackets: true,   // 括号匹配
        mode:"application/json", // HMTL混合模式
        lineWrapping: true,    // 自动换行
        theme: 'eclipse',      // 使用模版
        lineWrapping:true,//支持折叠
        foldGutter: true,
        lint: true

    });
    editor.setSize('auto','auto');
    CodeMirror.commands.autocomplete = function(cm) {
        cm.showHint({hint: CodeMirror.hint.anyword});
    };
    jsons=$rulejson
    editor.setValue(JSON.stringify(jsons))
    format();
    function format() {
        editor.setValue(js_beautify(editor.getValue()))
    }