สอบถามเรื่อง การ อ่าน excel เข้าระบบอ่ะคัรบ สงสัยแค่นามสกุลไฟล์

include 'PHPExcel/IOFactory.php';
//parameter
$inputFileName = './sampleData/xxx.xls';
$inputFileType = PHPExcel_IOFactory::identify($inputFileName);  
$objReader = PHPExcel_IOFactory::createReader($inputFileType);  
$objReader->setReadDataOnly(true);  
$objPHPExcel = $objReader->load($inputFileName);  

include 'PHPExcel/IOFactory.php';
//parameter
$inputFileName = './sampleData/xxx.xlsx';
$inputFileType = PHPExcel_IOFactory::identify($inputFileName);  
$objReader = PHPExcel_IOFactory::createReader($inputFileType);  
$objReader->setReadDataOnly(true);  
$objPHPExcel = $objReader->load($inputFileName);  

Fatal error: Uncaught exception 'Exception' with message 'ZipArchive library is not enabled' in C:\AppServ\www\readexcel\Classes\PHPExcel\Reader\Excel2007.php:240 Stack trace: #0 C:\AppServ\www\readexcel\Classes\PHPExcel\IOFactory.php(268): PHPExcel_Reader_Excel2007->canRead('./sampleData/xx...') #1 C:\AppServ\www\readexcel\Classes\PHPExcel\IOFactory.php(205): PHPExcel_IOFactory::createReaderForFile('./sampleData/xx...') #2 C:\AppServ\www\readexcel\Documentation\Examples\Reader\read_trariff.php(12): PHPExcel_IOFactory::identify('./sampleData/xx...') #3 {main} thrown in C:\AppServ\www\readexcel\Classes\PHPExcel\Reader\Excel2007.php on line 240