DEDE自定义表单导出功能的实现详细步骤

else if($action == 'push'){  $row = $dsql->GetOne("Select * From dede_diyforms where diyid='$diyid'");  $ds = file(('/dede/inc/fieldtype.txt'));foreach($ds as $d){$dds = explode(',',trim($d));$fieldtypes[$dds[0]] = $dds[1];}$fieldset = $row['info'];$dtp = new DedeTagParse();$dtp->SetNameSpace("field","<",">");$dtp->LoadSource($fieldset);$titleArray=array();$titleName=array();if(is_array($dtp->CTags)){foreach($dtp->CTags as $ctag){$itname = $ctag->GetAtt('itemname');if($itname=='') echo "没指定";$titleArray[] = $itname;$titleName[]= $ctag->GetTagName();}}header('Content-Type: application/vnd.ms-excel');header('Content-Disposition: attachment; filename=demo.xls');header('Pragma: no-cache');header('Expires: 0');$title =$titleArray;include_once DEDEINC.'/datalistcp.class.php';    if($diy->public == 2)        $query = "SELECT * FROM `{$diy->table}` ORDER BY id DESC";    else        $query = "SELECT * FROM `{$diy->table}` WHERE ifcheck=1 ORDER BY id DESC";    $datalist = new DataListCP();    $datalist->pageSize = 10;    $datalist->SetParameter('action','list');    $datalist->SetParameter('diyid',$diyid);    $datalist->SetSource($query);   $rsArray = array();$datalist->dsql->Execute('dlist',$datalist->sourceSql);        $i = 0;        while($arr=$datalist->dsql->GetArray('dlist'))        {        $i++;          $object = array();        foreach ($titleName as $va){        $object[]=$arr[$va];        }            $rsArray[$i] = $object;                   }$data = $rsArray;echo iconv('utf-8','gbk',implode("\t",$title)),"\n";foreach ($data as $value) {echo iconv('utf-8',$value)),"\n";}exit;}