su código es solo buscar datos de MySQL y no crear ningún archivo de Excel.
aquí tienes una gran clase para hacer un archivo execl
con código XML puro sin ninguna extensión
<?php
/********************************/
/* Code By Mr Korosh Raoufi */
/* WwW.k2-4u.CoM */
/********************************/
/**
* Simple excel generating from PHP5
*
* @package Utilities
* @license http://www.opensource.org/licenses/mit-license.php
* @author Oliver Schwarz <[email protected]>
* @version 1.0
*/
/**
* Generating excel documents on-the-fly from PHP5
*
* Uses the excel XML-specification to generate a native
* XML document, readable/processable by excel.
*
* @package Utilities
* @subpackage Excel
* @author Oliver Schwarz <[email protected]>
* @version 1.1
*
* @todo Issue #4: Internet Explorer 7 does not work well with the given header
* @todo Add option to give out first line as header (bold text)
* @todo Add option to give out last line as footer (bold text)
* @todo Add option to write to file
*/
class Excel_XML
{
/**
* Header (of document)
* @var string
*/
private $header = "<?xml version=\"1.0\" encoding=\"%s\"?\>\n<Workbook xmlns=\"urn:schemas-microsoft-com:office:spreadsheet\" xmlns:x=\"urn:schemas-microsoft-com:office:excel\" xmlns:ss=\"urn:schemas-microsoft-com:office:spreadsheet\" xmlns:html=\"http://www.w3.org/TR/REC-html40\">";
/**
* Footer (of document)
* @var string
*/
private $footer = "</Workbook>";
/**
* Lines to output in the excel document
* @var array
*/
private $lines = array();
/**
* Used encoding
* @var string
*/
private $sEncoding;
/**
* Convert variable types
* @var boolean
*/
private $bConvertTypes;
/**
* Worksheet title
* @var string
*/
private $sWorksheetTitle;
/**
* Constructor
*
* The constructor allows the setting of some additional
* parameters so that the library may be configured to
* one's needs.
*
* On converting types:
* When set to true, the library tries to identify the type of
* the variable value and set the field specification for Excel
* accordingly. Be careful with article numbers or postcodes
* starting with a '0' (zero)!
*
* @param string $sEncoding Encoding to be used (defaults to UTF-8)
* @param boolean $bConvertTypes Convert variables to field specification
* @param string $sWorksheetTitle Title for the worksheet
*/
public function __construct($sEncoding = 'UTF-8', $bConvertTypes = false, $sWorksheetTitle = 'Table1')
{
$this->bConvertTypes = $bConvertTypes;
$this->setEncoding($sEncoding);
$this->setWorksheetTitle($sWorksheetTitle);
}
/**
* Set encoding
* @param string Encoding type to set
*/
public function setEncoding($sEncoding)
{
$this->sEncoding = $sEncoding;
}
/**
* Set worksheet title
*
* Strips out not allowed characters and trims the
* title to a maximum length of 31.
*
* @param string $title Title for worksheet
*/
public function setWorksheetTitle ($title)
{
$title = preg_replace ("/[\\\|:|\/|\?|\*|\[|\]]/", "", $title);
$title = substr ($title, 0, 31);
$this->sWorksheetTitle = $title;
}
/**
* Add row
*
* Adds a single row to the document. If set to true, self::bConvertTypes
* checks the type of variable and returns the specific field settings
* for the cell.
*
* @param array $array One-dimensional array with row content
*/
private function addRow ($array)
{
$cells = "";
foreach ($array as $k => $v):
$type = 'String';
if ($this->bConvertTypes === true && is_numeric($v)):
$type = 'Number';
endif;
$v = htmlentities($v, ENT_COMPAT, $this->sEncoding);
$cells .= "<Cell><Data ss:Type=\"$type\">" . $v . "</Data></Cell>\n";
endforeach;
$this->lines[] = "<Row>\n" . $cells . "</Row>\n";
}
/**
* Add an array to the document
* @param array 2-dimensional array
*/
public function addArray ($array)
{
foreach ($array as $k => $v)
$this->addRow ($v);
}
/**
* Generate the excel file
* @param string $filename Name of excel file to generate (...xls)
*/
public function generateXML ($filename = 'excel-export')
{
// correct/validate filename
$filename = preg_replace('/[^aA-zZ0-9\_\-]/', '', $filename);
// deliver header (as recommended in php manual)
header("Content-Type: application/vnd.ms-excel; charset=" . $this->sEncoding);
header("Content-Disposition: inline; filename=\"" . $filename . ".xls\"");
// print out document to the browser
// need to use stripslashes for the damn ">"
echo stripslashes (sprintf($this->header, $this->sEncoding));
echo "\n<Worksheet ss:Name=\"" . $this->sWorksheetTitle . "\">\n<Table>\n";
foreach ($this->lines as $line)
echo $line;
echo "</Table>\n</Worksheet>\n";
echo $this->footer;
}
}
?>
uso:
$xls = new Excel_XML('UTF-8', false, 'title text');
$data = array(
1 => array ('column1 text', 'coloumn2 text'),
1 => array ('column1 text', 'coloumn2 text'),
1 => array ('column1 text', 'coloumn2 text'),
);
$xls -> addArray($data);
$xls -> generateXML('file Name'); // its print code to browser use requred header to download
