$farr=m('flow_element')->getrows("`mid`='$modeid' and `islu`=1 and `iszb`=$iszb",'`name`,`fields`,`isbt`,`fieldstype`,`savewhere`,`dev`,`data`','`sort`');
$fieldarr=m('flow_element')->getrows("`mid`='$modeid' and `iszb`=0 $stwhe",'fields,fieldstype,name,dev,data,isbt,islu,attr,iszb,issou,gongsi,placeholder','`sort`');