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 . 'http://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 />'; 
        } 
?>