cmf5 excel导出

    //导出Excel
    public function export($value='')
    {
        $list = Db::name('user')
            ->where('user_type', 2)
            ->field('user_login,user_password')
            ->order("create_time DESC")
            ->select();

        header('Content-Type:text/html;charset=utf-8');
        
        $xlsName  = "学员列表";
        $xlsCell = [
            ['user_login','账号名称'],
            ['user_password','密码'],
        ];

        downloadExcel($xlsName,$xlsCell,$list);
    } 

function downloadExcel($expTitle,$expCellName,$expTableData){
    //$xlsTitle = iconv('gb2312', 'utf-8', $expTitle);//文件名称
    $fileName = date('Y-m-d H:i:s',time());//or $xlsTitle 文件名称可根据自己情况设定
    $cellNum = count($expCellName);
    $dataNum = count($expTableData);
    vendor("PHPExcel.PHPExcel1");
    $objPHPExcel = new \PHPExcel();
    $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');
	
	
    for($i=0;$i<$cellNum;$i++){
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i].'1', $expCellName[$i][1]); 
    } 
	//$objPHPExcel->getActiveSheet()->getStyle('R')->getAlignment()->setWrapText(true);
    for($i=0;$i<$dataNum;$i++){
        for($j=0;$j<$cellNum;$j++){
            $objPHPExcel->getActiveSheet(0)->setCellValue($cellName[$j].($i+2), $expTableData[$i][$expCellName[$j][0]]);
        }             
    }  
    
    ob_end_clean();
    header('pragma:public');
    header('Content-type:application/vnd.ms-excel;charset=utf-8;name="'.$fileName.'.xls"');
    header('Content-Disposition: attachment;filename="' . date('Y-m-d H-i-s') . '.xls"');

    $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');  
    $objWriter->save('php://output'); 
    exit;   
}