组件：
<script src="../js/plugins/umeditor/third-party/template.min.js" type="text/javascript"></script>
<script src="../js/plugins/umeditor/umeditor.config.js" type="text/javascript"></script>
<script src="../js/plugins/umeditor/umeditor.min.js" type="text/javascript"></script>
<script src="../js/plugins/umeditor/lang/zh-cn/zh-cn.js" type="text/javascript"></script>

/*zdy-首行缩进*/
UM.registerUI('indent',function(name) {
	var _this=this;
    var $btn = $.eduibutton({
        icon : name,
        title: '首行缩进',
        click : function(){
        	var reg_=/^<img/,
        	len_=_this.selection.getStartElementPath().length,
            t_=$(_this.selection.getStartElementPath()[len_-2]);
            
            t_.hasClass('js-indent')?t_.removeClass('js-indent').css('text-indent','0em'):
            reg_.test(t_.html())?'':t_.addClass('js-indent').css('text-indent','2em');
        }
    });

    this.addListener('selectionchange',function(){
        //切换为不可编辑时，把自己变灰
        var state = this.queryCommandState(name);
        $btn.edui().disabled(state == -1).active(state == 1);
    });
    return $btn;
});
var ums = UM.getEditor('myEditor',{
	toolbar:[
        'source | undo redo | bold italic underline strikethrough | forecolor backcolor | indent image horizontal removeformat ',
        '| justifyleft justifycenter justifyright |',
        'insertorderedlist insertunorderedlist | paragraph | fontfamily fontsize' ,
    ],
    autoHeightEnabled:false,
    textarea:'xxx',
    autoFloatEnabled:false
});
//获取内容带格式的
$('#get_cont').click(function(){
	var arr = [];
    arr.push(UM.getEditor('myEditor').getContent());
    alert(arr.join("\n"));
});

组件:
<link rel="stylesheet" href="../css/plugins/umeditor/themes/default/css/umeditor.css" />