PHPExcel在Thinkphp中的使用，列宽度可定义

namespace app\admin\controller;
###引入文件
class EvaluateController extends Controller
{
    /**
     * 导出用户评价到excel
     */
    public function dumpLogsExcel(){
        //查询数据
        $where['member_card'] = 123456;
        $xlsData = Db::name('evaluate_log')->where($where)->select()->toArray();
        //构建excel
        $xlsName  = "用户评价信息表";
        $xlsCell  = array(
            array('GongSiMc','门店名称',20),
            array('order_num','保养单号',20),
            array('wx_name','微信名',20),
            array('member_card','会员卡号',15),
            array('is_good_name','是否满意',10),
            array('evaluate_item','具体评价',40),
            array('score','得分',10),
            array('create_time','创建时间',20),
        );
        $this->exportExcel($xlsName,$xlsCell,$xlsData);
    }

    /**
     * 公用的导出excel
     * @param string $expTitle       'XXXX表'
     * @param array  $expCellNamee  array('数据库字段名字'，'自定义的列名','设置该列的宽度')
     * @param array  $expTableData  array(0=>['id'=>1,'name'=>2]) 一般数据库读出的格式直接能用
    */
    private function exportExcel($expTitle,$expCellName,$expTableData){
        $xlsTitle = iconv('utf-8', 'gb2312', $expTitle);//文件名称
        $fileName = $expTitle.date('_Ymd_His');//or $xlsTitle 文件名称可根据自己情况设定
        $cellNum = count($expCellName);
        $dataNum = count($expTableData);
        vendor("PHPExcel.PHPExcel");
        $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');
        // $objPHPExcel->getActiveSheet(0)->mergeCells('A1:'.$cellName[$cellNum-1].'1');//合并单元格
        // $objPHPExcel->setActiveSheetIndex(0)->setCellValue('A1', $expTitle.'  Export time:'.date('Y-m-d H:i:s'));//第一行标题
        for($i=0;$i<$cellNum;$i++){
            $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i].'1', $expCellName[$i][1]);
            $objPHPExcel->getActiveSheet()->getColumnDimension($cellName[$i])->setWidth($expCellName[$i][2]); //设置宽度 
        }
        // Miscellaneous glyphs, UTF-8
        for($i=0;$i<$dataNum;$i++){
            for($j=0;$j<$cellNum;$j++){
                $objPHPExcel->getActiveSheet(0)->setCellValue($cellName[$j].($i+2), $expTableData[$i][$expCellName[$j][0]]);
            }
        }
        header('pragma:public');
        header('Content-type:application/vnd.ms-excel;charset=utf-8;name="'.$xlsTitle.'.xls"');
        header("Content-Disposition:attachment;filename=$fileName.xls");//attachment新窗口打印inline本窗口打印
        $objWriter = \PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
        $objWriter->save('php://output');
        exit;
    }
}