phpexcel 导入 时间格式 和 数值格式 处理

/**
 * Notes:导入excel文件
 * User: hly
 * Date: 2020/4/14 17:56
 */
function importXlsx()
{
    //引入phpexcel
    require getcwd() . '/PHPExcel.php';
    $file_name = 'test.xlsx'; //模拟上传后的文件
    $objReader = \PHPExcel_IOFactory::createReader('Excel2007');
    $objPHPExcel = $objReader->load($file_name, $encode = 'utf-8');
    $sheet = $objPHPExcel->getSheet(0);
    $highestRow = $sheet->getHighestRow(); // 取得总行数
    $data = array();
    for ($i = 2; $i <= $highestRow; $i++) {
        $data[$i - 2]['title'] = getCellValue($objPHPExcel->getActiveSheet()->getCell("A" . $i));
        $data[$i - 2]['date_time'] = getCellValue($objPHPExcel->getActiveSheet()->getCell("B" . $i), 'Y-m-d H:i:s');
    }
    exit(json_encode($data));
}

function getCellValue($cell, $date_format = "Y-m-d H:i:s")
{
    $value = $cell->getValue();
    if($cell->getDataType() == \PHPExcel_Cell_DataType::TYPE_NUMERIC){
        //版本过低的话请加上 getParent 例：$cell->getParent()->getStyle($cell->getCoordinate())->getNumberFormat();
        $cell_style_format = $cell->getStyle($cell->getCoordinate())->getNumberFormat(); //不需要getParent
        $format_code = $cell_style_format->getFormatCode();
        if (preg_match('/^([$[A-Z]*-[0-9A-F]*])*[hmsdy]/i', $format_code)) { //判断是否为日期类型
            $value = gmdate($date_format, \PHPExcel_Shared_Date::ExcelToPHP($value)); //格式化日期
        }else{
            $value = \PHPExcel_Style_NumberFormat::toFormattedString($value, $format_code); //格式化数字
        }
    }
    return $value;
}

importXlsx();