php 导出Excel表格

public function test(){
    $xlsName = "测试";

    //注意  数组第一个字段必须是小写  数组第二个（列标题）根据你的情况填写
    $xlsCell = array(
        array(\'number\',\'单号\'),
        array(\'totalNum\',\'采购总数量\'),
        array(\'dataAmount\',\'单据金额\'),
        array(\'actualAmount\',\'实际金额\'),
        array(\'createTime\',\'生成时间\')
    );
    $xlsModel = new ReinsurancePolicy();
    $xlsData = $xlsModel->Field(\'number,totalNum,dataAmount,actualAmount,createTime\')->select()->toArray();
    $this->exportExcel($xlsName,$xlsCell,$xlsData);
}

function export_excel($expTitle,$expCellName,$expTableData)
{
    $xlsTitle = iconv(\'utf-8\', \'gb2312\', $expTitle);//文件名称
    $fileName = $expTitle ;//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
    $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\');
    //设置头部导出时间备注
    $objPHPExcel->getActiveSheet(0)->mergeCells(\'A1:\' . $cellName[$cellNum - 1] . \'1\');//合并单元格
    $objPHPExcel->setActiveSheetIndex(0)->setCellValue(\'A1\', $expTitle . \' 导出时间:\' . date(\'Y-m-d H:i:s\'));
    //设置列名称
    for ($i = 0; $i < $cellNum; $i++) {
        $objPHPExcel->setActiveSheetIndex(0)->setCellValue($cellName[$i] . \'2\', $expCellName[$i][1]);
    }
    //赋值
    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\');
}