php利用phpexcel导出数据

php中利用phpexcel导出数据的实现代码。
对phpexcel类库不熟悉的朋友，可以阅读下《phpexcel中文帮助手册》中的内容，具体实例大家可以phpexcel快速开发指南中的相关例子。

完整代码：

public function export_data($data = array())
{
# code...
include_once(APP_PATH.'Tools/PHPExcel/Classes/PHPExcel/Writer/IWriter.php') ;
include_once(APP_PATH.'Tools/PHPExcel/Classes/PHPExcel/Writer/Excel5.php') ;
include_once(APP_PATH.'Tools/PHPExcel/Classes/PHPExcel.php') ;
include_once(APP_PATH.'Tools/PHPExcel/Classes/PHPExcel/IOFactory.php') ;
$obj_phpexcel = new PHPExcel();
$obj_phpexcel->getActiveSheet()->setCellValue('a1','Key');
$obj_phpexcel->getActiveSheet()->setCellValue('b1','Value'); 
if($data){
$i =2;
foreach ($data as $key => $value) {
# code...
$obj_phpexcel->getActiveSheet()->setCellValue('a'.$i,$value);
$i++;
}
} 
$obj_Writer = PHPExcel_IOFactory::createWriter($obj_phpexcel,'Excel5');
$filename = "outexcel.xls";
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header("Content-Type: application/force-download"); 
header("Content-Type: application/octet-stream"); 
header("Content-Type: application/download"); 
header('Content-Disposition:inline;filename="'.$filename.'"'); 
header("Content-Transfer-Encoding: binary"); 
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); 
header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); 
header("Pragma: no-cache"); 
$obj_Writer->save('php://output'); 
}