PHPExcel

public function aa(){
$xlsName = "export";
$xlsCell = array(
array('name','账号序列'),
array('jia','名字'),
array('shu','邮箱'),
);
$xlsData = Db::name('aa')->Field('name,jia,shu')->select();
$this->exportExcel($xlsName,$xlsCell,$xlsData);
}
function exportExcel($expTitle,$expCellName,$expTableData){
include_once EXTEND_PATH.'PHPExcel/PHPExcel.php';//方法二
$xlsTitle = iconv('utf-8', 'gb2312', $expTitle);//文件名称
$fileName = $expTitle.date('_YmdHis');//or $xlsTitle 文件名称可根据自己情况设定
$cellNum = count($expCellName);
$dataNum = count($expTableData);
// $objPHPExcel = new PHPExcel();//方法一
$objPHPExcel = new \PHPExcel();//方法二
$cellName = array('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','AA','AB','AC','AD','AE','AF','AG','AH','AI','AJ','AK','AL','AM','AN','AO','AP','AQ','AR','AS','AT','AU','AV','AW','AX','AY','AZ');
$objPHPExcel->getActiveSheet(0)->mergeCells('A1:'.$cellName[$cellNum-1].'1');//合并单元格
$objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', $expTitle.' Export time:'.date('Y-m-d H:i:s'));
for($i=0;$i<$cellNum;$i++){
$objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i].'2', $expCellName[$i][1]);
}
// Miscellaneous glyphs, UTF-8
for($i=0;$i<$dataNum;$i++){
for($j=0;$j<$cellNum;$j++){
$objPHPExcel->getActiveSheet(0)->setCellValue($cellName[$j].($i+3), $expTableData[$i][$expCellName[$j][0]]);
}
}
ob_end_clean();//这一步非常关键，用来清除缓冲区防止导出的excel乱码
header('pragma:public');
header('Content-type:application/vnd.ms-excel;charset=utf-8;name="'.$xlsTitle.'.xls"');
header("Content-Disposition:attachment;filename=$fileName.xls");//"xls"参考下一条备注
$objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');//"Excel2007"生成2007版本的xlsx，"Excel5"生成2003版本的xls
$objWriter->save('php://output');
exit;
}