.addressIdMagicSuggest = $('#alarm_account').magicSuggest({
            width:200,
            queryParam: 'username',
            method: 'get',
            allowFreeEntries: true,
            autoSelect:true,
            valueField:"id",
            displayField:"name",
            resultAsString:true,
            selectionStacked: true,
            resultsField: "result",
            //下拉框数据的获得：
            data: server_context+'/user_names'
        });

    });

    function closeTab()