如何在yii2中使用phpexcel [关闭]

I have a excel file with the extension .xlsx. I need to read this file and save into database. how to do this. I have no idea about this. plese guide me how to do step by step. Im using yii2 basic version.

Please use below extension and example code.

https://github.com/PHPOffice/PHPExcel

$tmpfname = "test.xlsx";
        $excelReader = PHPExcel_IOFactory::createReaderForFile($tmpfname);
        $excelObj = $excelReader->load($tmpfname);
        $worksheet = $excelObj->getSheet(0);
        $lastRow = $worksheet->getHighestRow();

        echo "<table>";
        for ($row = 1; $row <= $lastRow; $row++) {
             echo "<tr><td>";
             echo $worksheet->getCell('A'.$row)->getValue();
             echo "</td><td>";
             echo $worksheet->getCell('B'.$row)->getValue();
             echo "</td><tr>";
        }
        echo "</table>";