public function daochu(){
        $xlsData = Db(‘member‘)->select();
        Vendor(‘PHPExcel.PHPExcel‘);//调用类库,路径是基于vendor文件夹的
        Vendor(‘PHPExcel.PHPExcel.Worksheet.Drawing‘);
        Vendor(‘PHPExcel.PHPExcel.Writer.Excel2007‘);
        $objExcel = new \PHPExcel();
        //set document Property
        $objWriter = \PHPExcel_IOFactory::createWriter($objExcel, ‘Excel2007‘);
 
        $objActSheet = $objExcel->getActiveSheet();
        $key = ord("A");
        $letter =explode(‘,‘,"A,B,C,D,E,F,G,H,I,J");
        $arrHeader = array(‘姓名‘,‘公司‘,‘公司地址‘,‘邮箱‘,‘电话‘,‘职位‘,‘行业应用‘,‘会员角色‘,‘是否验证‘);
        //填充表头信息
        $lenth =  count($arrHeader);
        for($i = 0;$i < $lenth;$i++) {
            $objActSheet->setCellValue("$letter[$i]1","$arrHeader[$i]");
        };
        //填充表格信息
        foreach($xlsData as $k=>$v){
            $k +=2;
            $objActSheet->setCellValue(‘A‘.$k,$v[‘real_name‘]);
            $objActSheet->setCellValue(‘B‘.$k, $v[‘cor_name‘]);
            $objActSheet->setCellValue(‘C‘.$k, $v[‘com_add‘]);
            $objActSheet->setCellValue(‘D‘.$k, $v[‘email‘]);
            $objActSheet->setCellValue(‘E‘.$k, $v[‘tel‘]);
            $objActSheet->setCellValue(‘F‘.$k, $v[‘position‘]);
            $objActSheet->setCellValue(‘G‘.$k, $v[‘apphang‘]);
            $objActSheet->setCellValue(‘H‘.$k, $v[‘role_id‘] == 2?‘正式会员‘:‘普通会员‘);
            $objActSheet->setCellValue(‘I‘.$k, $v[‘active‘] == 1?‘是‘:‘否‘);
            // 表格高度
            $objActSheet->getRowDimension($k)->setRowHeight(20);
        }
 
        $width = array(10,15,20,25,30);
        //设置表格的宽度
        $objActSheet->getColumnDimension(‘A‘)->setWidth($width[1]);
        $objActSheet->getColumnDimension(‘B‘)->setWidth($width[2]);
        $objActSheet->getColumnDimension(‘C‘)->setWidth($width[3]);
        $objActSheet->getColumnDimension(‘D‘)->setWidth($width[4]);
        $objActSheet->getColumnDimension(‘E‘)->setWidth($width[1]);
        $objActSheet->getColumnDimension(‘F‘)->setWidth($width[1]);
        $objActSheet->getColumnDimension(‘G‘)->setWidth($width[1]);
        $objActSheet->getColumnDimension(‘H‘)->setWidth($width[1]);
        $objActSheet->getColumnDimension(‘I‘)->setWidth($width[1]);
 
 
        $outfile = "信息列表.xlsx";
        ob_end_clean();
        header("Content-Type: application/force-download");
        header("Content-Type: application/octet-stream");
        header("Content-Type: application/download");
        header(‘Content-Disposition:inline;filename="‘.$outfile.‘"‘);
        header("Content-Transfer-Encoding: binary");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Pragma: no-cache");
        $objWriter->save(‘php://output‘);
    }