header("Content-type:text/html;charset=utf-8");

 require_once('PHPExcel/Classes/PHPExcel.php');

 require_once('PHPExcel/Classes/PHPExcel/IOFactory.php');

 iconv("gbk","utf8",$_FILES["file"]["tmp_name"]);//编码转换

 $fileType=PHPExcel_IOFactory::identify($_FILES["file"]["tmp_name"]);//判断文件的类型

 $objReader=PHPExcel_IOFactory::createReader($fileType);//创建对象

 $objPHPExcel=$objReader->load($_FILES['file']['tmp_name']);//导入数据

 $currentSheet = $objPHPExcel->getSheet(0); //第一个工作簿

 $allRow = $currentSheet->getHighestRow(); //行数

 $letters_arr = array(1=>'A',2=>'B',3=>'C',4=>'D',5=>'E',6=>'F',7=>'G',8=>'H',9=>'I',10=>'J',11=>'K',12=>'L',13=>'M', 14=>'N',15=>'O',16=>'P',17=>'Q',18=>'R',19=>'S',20=>'T',21=>'U',22=>'V',23=>'W',24=>'X',25=>'Y',26=>'Z');

 $con=mysql_connect('localhost','root','root')

 or die('数据库链接失败！<br />'.mysql_error());

 $db=mysql_select_db('db_product',$con);

 mysql_query("SET NAMES 'utf8'");

 for($currentRow = 3;$currentRow<=$allRow;$currentRow++){

   $rowValues='';

   $id=(string)($currentSheet->getCell('C'.$currentRow)->getValue());

   $select_id=mysql_query("SELECT * FROM t_shop WHERE productNum='$id'");

   $result=mysql_fetch_array($select_id);

   if(!$result){//判断是否存在

     foreach ($letters_arr as $key => $value) {

     $xh=$currentSheet->getCell($value.$currentRow)->getValue();

     if($key>14)break;

     $rowValues=$rowValues.($key>1?',':'').'\''.$xh.'\'';

     }

     $sql="INSERT INTO t_shop (shopName,brand,productNum,spec,barCode,category,productName,orderNumber,deliveryNumber,returnNumber,returnBackNumber,salesPrice,costPrice,profit) VALUES (".$rowValues.")";

     mysql_query($sql);

   }

   else{

     $reValues=re_row($result,$letters_arr,$currentSheet,$currentRow);

     $sql="UPDATE t_shop SET shopName='$reValues[0]',brand='$reValues[1]',spec='$reValues[2]',barCode='$reValues[3]',category='$reValues[4]',productName='$reValues[5]',orderNumber=$reValues[6],deliveryNumber=$reValues[7],returnNumber=$reValues[8],returnBackNumber=$reValues[9],salesPrice=$reValues[10],costPrice=$reValues[11],profit=$reValues[12] WHERE productNum='$id'";

     mysql_query($sql);

     echo mysql_error().$id.'###';

     print_r($reValues);

     echo '<br />';

    } 

   }

 mysql_close($con);

 function re_row($s,$a,$obj,$currentRow){

   $b=$d='';

    foreach ($a as $key => $value) {

     $xh=$obj->getCell($value.$currentRow)->getValue();

     if($key>14)break;

      $d[]=$xh;

     }

   foreach ($d as $key => $value) {

     if($key!=2 && $key<7){

          $b[]= (string)$value;

     }

     elseif($key>6){

       $b[]=$s[$key]+$value;

     }

   }

   return $b;

 }