PHP 如何利用phpexcel导入数据库

<?php
error_reporting(e_all); //开启错误
set_time_limit(0); //脚本不超时

date_default_timezone_set('europe/london'); //设置时间

/** include path **/
set_include_path(get_include_path() . path_separator . '//www.jb51.net/../classes/');//设置环境变量

/** phpexcel_iofactory */
include 'phpexcel/iofactory.php';

//$inputfiletype = 'excel5';    //这个是读 xls的
    $inputfiletype = 'excel2007';//这个是计xlsx的
//$inputfilename = './sampledata/example2.xls';
$inputfilename = './sampledata/book.xlsx';

        echo 'loading file ',pathinfo($inputfilename,pathinfo_basename),' using iofactory with a defined reader type of ',$inputfiletype,'<br />';
        $objreader = phpexcel_iofactory::createreader($inputfiletype);
        $objphpexcel = $objreader->load($inputfilename);
        /*
        $sheet = $objphpexcel->getsheet(0);
        $highestrow = $sheet->gethighestrow(); //取得总行数
        $highestcolumn = $sheet->gethighestcolumn(); //取得总列
        */   
        $objworksheet = $objphpexcel->getactivesheet();//取得总行数
        $highestrow = $objworksheet->gethighestrow();//取得总列数

        echo 'highestrow='.$highestrow;
        echo "<br>";
        $highestcolumn = $objworksheet->gethighestcolumn();
        $highestcolumnindex = phpexcel_cell::columnindexfromstring($highestcolumn);//总列数
        echo 'highestcolumnindex='.$highestcolumnindex;
        echo "<br />";
        $headtitle=array();
        for ($row = 1;$row <= $highestrow;$row++)
        {
            $strs=array();
            //注意highestcolumnindex的列数索引从0开始
            for ($col = 0;$col < $highestcolumnindex;$col++)
            { 
                $strs[$col] =$objworksheet->getcellbycolumnandrow($col, $row)->getvalue();
            } 
              $info = array(
                      'word1'=>"$strs[0]",
                    'word2'=>"$strs[1]",
                    'word3'=>"$strs[2]",
                    'word4'=>"$strs[3]",
              );
              //在这儿，你可以连接，你的数据库，写入数据库了
              print_r($info);
              echo '<br />';
        }
?>