require_once 'Excel/reader.php';

$data = new Spreadsheet_Excel_Reader();

if($_FILES){

    $check = substr($_FILES["file"]["name"],strrpos($_FILES["file"]["name"],".")+1); 

    if ( $check == "xls" 
------解决方案--------------------
 $check == "xlsx")
      {
        move_uploaded_file($_FILES["file"]["tmp_name"],"upload/" . $_FILES["file"]["name"]);
      }
      else
      {
	exit('no');
      }

$data->setOutputEncoding('UTF-8');

$data->read("upload/" . $_FILES["file"]["name"]);

error_reporting(E_ALL ^ E_NOTICE);

$db_host = 'localhost';         //edit_config
$db_user = 'root';
$db_password = 'root';
$db_port = 3306;
$db_name = 'test';

$con = mysql_connect($db_host,$db_user,$db_password);
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }

$db_selected = mysql_select_db($db_name, $con);

if (!$db_selected)
  {
  die ("Can\'t use test_db : " . mysql_error());
  }

//删除已存在表