//读最新的记录
//topnum指定要读出的记录数
function ReadTopList($topnum){
$SQL="SELECT * FROM ".$this->Table." ".$this->Condition." ORDER BY ".$this->Id." DESC";
$stmt = OCIParse($this->LinkId,$SQL);
$bool = OCIExecute($stmt);
if (!$bool) {
echo "连接失败！";
OCILogoff($this->LinkId);
exit;
}
else {
$ncols = OCINumCols($stmt);
for ( $i = 1; $i ＜= $ncols; $i++ )
$column_name[$i] = OCIColumnName($stmt,$i);
$k=0;
for($j=0;$j＜$topnum;$j++){
if(OCIFetch($stmt)){
$k++;
for($i=1;$i＜=$ncols;$i++)
$temp[$column_name[$i]]=OCIResult($stmt,$i);
$this->TopResult[]=$temp;
}
else break;
}
$this->TopNumber=$k;
}
OCIFreeStatement($stmt);
return $this->TopResult;
}
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