hemall.terabimsoft.com.cn/app/backend/modules/order/services/models/ExcelModel.php

<?php

/**
 * Created by PhpStorm.
 * Author: 芸众商城 www.yunzshop.com
 * Date: 2017/3/13
 * Time: 下午3:04
 */
namespace app\backend\modules\order\services\models;

class ExcelModel
{
    protected function column_str($key)
    {
        $array = 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', 'BA', 'BB', 'BC', 'BD', 'BE', 'BF', 'BG', 'BH', 'BI', 'BJ', 'BK', 'BL', 'BM', 'BN', 'BO', 'BP', 'BQ', 'BR', 'BS', 'BT', 'BU', 'BV', 'BW', 'BX', 'BY', 'BZ', 'CA', 'CB', 'CC', 'CD', 'CE', 'CF', 'CG', 'CH', 'CI', 'CJ', 'CK', 'CL', 'CM', 'CN', 'CO', 'CP', 'CQ', 'CR', 'CS', 'CT', 'CU', 'CV', 'CW', 'CX', 'CY', 'CZ'
        );
        return $array[$key];
    }
    protected function column($key, $columnnum = 1)
    {
        return $this->column_str($key) . $columnnum;
    }
    public function export($list, $params = array())
    {
        if (PHP_SAPI == 'cli') {
            die('This example should only be run from a Web Browser');
        }
        //ob_end_clean();

        require_once base_path() . '/vendor/phpoffice/phpexcel/Classes/PHPExcel.php';

        $excel = new \PHPExcel();
        $excel->getProperties()->setCreator("芸众商城")->setLastModifiedBy("芸众商城")->setTitle("Office 2007 XLSX Test Document")->setSubject("Office 2007 XLSX Test Document")->setDescription("Test document for Office 2007 XLSX, generated using PHP classes.")->setKeywords("office 2007 openxml php")->setCategory("report file");
        $sheet  = $excel->setActiveSheetIndex(0);
        $rownum = 1;
        foreach ($params['columns'] as $key => $column) {
            $sheet->setCellValue($this->column($key, $rownum), $column['title']);
            if (!empty($column['width'])) {
                $sheet->getColumnDimension($this->column_str($key))->setWidth($column['width']);
            }
        }
        $rownum++;

        foreach ($list as $row) {
            $len = count($params['columns']);
            for ($i = 0; $i < $len; $i++) {
                $value = $row[$params['columns'][$i]['field']];
                $value = @iconv("utf-8", "gbk", $value);
                $value = @iconv("gbk", "utf-8", $value);
                $sheet->setCellValueExplicit($this->column($i, $rownum), $value, \PHPExcel_Cell_DataType::TYPE_STRING);
            }
            $rownum++;
        }
        $excel->getActiveSheet()->setTitle($params['title']);
        $filename = $params['title'] . '-' . date('Y-m-d H:i', time());
        header('Content-Type: application/vnd.ms-excel');
        header('Content-Disposition: attachment;filename="' . $filename . '.xls"');
        header('Cache-Control: max-age=0');
        $writer = \PHPExcel_IOFactory::createWriter($excel, 'Excel5');
        $writer->save('php://output');
        exit;
    }
}