PHPExcel读取Excel文件

$fileName = 'excel.xls';
$path = 'path';
$filePath = $path.$fileName;
$PHPExcel = new PHPExcel();  
$PHPReader = new PHPExcel_Reader_Excel2007();    
if(!$PHPReader->canRead($filePath)){      
 $PHPReader = new PHPExcel_Reader_Excel5(); 
 if(!$PHPReader->canRead($filePath)){      
  echo 'no Excel';
  return ;
 }
}
$PHPExcel = $PHPReader->load($filePath);
$currentSheet = $PHPExcel->getSheet(0);
/**取得一共有多少列*/
$allColumn = $currentSheet->getHighestColumn();   
/**取得一共有多少行*/
$allRow = array($currentSheet->getHighestRow());  

for($currentRow = 1;$currentRow<=$allRow;$currentRow++){
 for($currentColumn='A';$currentColumn<=$allColumn;$currentColumn++){
  $address = $currentColumn.$currentRow;
  
  echo $currentSheet->getCell($address)->getValue()."\t";
 }
 echo "\n";
}