mysqlデータをExcel出力に変換するコード

$DB_Server = "localhost";
$DB_Username = "mydowns";
$DB_Password = "";
$DB_DBName = "mydowns";
$DB_TBLName = "user";
$Connect = @mysql_connect($DB_Server, $DB_Username, $DB_Password)
or die("Couldn@#t connect.");
$Db = @mysql_select_db($DB_DBName, $Connect)
or die("Couldn@#t select ");
$file_type = "vnd.ms-excel";
$file_ending = "xls";
header("Content-Type: application/$file_type");
header("Content-Disposition:attachment; filename=mydowns.$file_ending");
header("Pragma: no-cache");
header("Expires: 0");
$now_date = date(@#Y-m-d H:i@#);
$title = "データベース库名:$DB_DBName,データベース表:$DB_TBLName,备份日期:$now_date";
$sql = "$DB_TBLName から * を選択";
$ALT_Db = @mysql_select_db($DB_DBName, $Connect)
or die( "データベースを選択できませんでした");
$result = @mysql_query($sql,$Connect)
or die(mysql_error());
echo("$titlen");
$sep = "t";
 for ($i = 0; $i echo mysql_field_name($result,$i) 。 "t";
}
print("n");
$i = 0;
while($row = mysql_fetch_row($result))
{
$schema_insert = "";
for($j=0; $ j
{
if(!isset($row[$j]))
$schema_insert .= "NULL".$sep;
elseif ($row[$j] != "")
$schema_insert .= "$row[$j]".$sep;
else
$schema_insert .= "".$sep;
}
$schema_insert = str_replace($sep."$", "" , $schema_insert);
$schema_insert .= "t";
print(trim($schema_insert));
print "n";
$i++;
}
return (true);
?>

mysql、エクセル