easyui numberbox 输入框禁止输入

        			{
        			    field: 'Amount',
        			    title: '金额',
        			    width: 80,
        			    editor: {
        			        type: 'numberbox',
        			        options: {
        			            disabled: true,
        			            precision: 2,
        			            min: 0,
        			            groupSeparator: ','
        			        }
        			    }
        			{
        			    field: 'Amount'