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', 'gbk', implode("t", $value)), "n";  }  exit;  }