PHPExcel下载（从数据库获取数据）示例代码

/**

* PHPEXCEL生成excel文件

* @author:firmy

* @desc 支持任意行列数据生成excel文件，暂未添加单元格样式和对齐

*/

header("connect-type:text/html;charset=utf-8");

$dsn="mysql:host=localhost;dbname=me";

$db=new PDO($dsn,'root','123',array(PDO::MYSQL_ATTR_INIT_COMMAND=>'SET NAMES \'utf8\''));

$count=$db->query("select * from test");

$data=$count->fetchAll(PDO::FETCH_ASSOC);

//print_r($res);die;

require_once 'Classes/PHPExcel.php';

require_once 'Classes/PHPExcel/Reader/Excel2007.php';

require_once 'Classes/PHPExcel/Reader/Excel5.php';

include_once 'Classes/PHPExcel/IOFactory.php';

//创建新的PHPExcel对象

$objPHPExcel = new PHPExcel();

$objProps = $objPHPExcel->getProperties();

//设置表头

$i=0;

foreach($data as $k=>$v){

//print_r($v);die;

if($i

$arrd=array_keys($v);

//print_r($arrd);die;

$key = ord("A");

foreach($arrd as $kk=>$vv){

$colum = chr($key);

$objPHPExcel->setActiveSheetIndex(0) ->setCellValue($colum.'1', $vv);

$key += 1;

}

}

$i++;

}

$column = 2;

$objActSheet = $objPHPExcel->getActiveSheet();

foreach($data as $key => $rows){ //行写入

$span = ord("A");

foreach($rows as $keyName=>$value){// 列写入

$j = chr($span);

$objActSheet->setCellValue($j.$column, $value);

$span++;

}

$column++;

}

//下载

//将输出重定向到一个客户端web浏览器(Excel2007)

$fileName = iconv("utf-8", "gb2312", "bao.xls");

header("Content-Disposition: attachment; filename=\"$fileName\"");

header('Cache-Control: max-age=0');

$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel2007');

$objWriter->save('php://output'); //文件通过浏览器下载