poi不能读取excel

	

public static void main(String[] args) throws Exception{

		   

		   String excelText = TestPoi.extractTextFromXLS("D:\\desk\\company\\文档\\AAAA.xls");  

		   System.out.println(excelText); 

	}





	private static String extractTextFromXLS(String path)

	        throws IOException,Exception {

	    	

	        StringBuffer content  = new StringBuffer();

	        try{

	        InputStream is = new FileInputStream(path);

	        HSSFWorkbook workbook = new HSSFWorkbook(is); //创建对Excel工作簿文件的引用



	        for (int numSheets = 0; numSheets < workbook.getNumberOfSheets(); numSheets++) {

	            if (null != workbook.getSheetAt(numSheets)) {

	                HSSFSheet aSheet = workbook.getSheetAt(numSheets); //获得一个sheet



	                for (int rowNumOfSheet = 0; rowNumOfSheet <= aSheet.getLastRowNum(); rowNumOfSheet++) {

	                    if (null != aSheet.getRow(rowNumOfSheet)) {

	                        HSSFRow aRow = aSheet.getRow(rowNumOfSheet); //获得一行



	                        for (short cellNumOfRow = 0; cellNumOfRow <= aRow.getLastCellNum(); cellNumOfRow++) {

	                            if (null != aRow.getCell(cellNumOfRow)) {

	                                HSSFCell aCell = aRow.getCell(cellNumOfRow); //获得列值

	                                                               

	                                if(aCell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC){

	                                 content.append(aCell.getNumericCellValue());

	                                }else if(aCell.getCellType() == HSSFCell.CELL_TYPE_BOOLEAN){

	                                 content.append(aCell.getBooleanCellValue());

	                                }else {

	                                 content.append(aCell.getStringCellValue());

	                                }

	                            }

	                        }

	                    }

	                }

	            }

	        }

	        }catch(org.apache.poi.poifs.filesystem.OfficeXmlFileException e){

	        	content.append(extractTextFromXLS2007(path));

	        }catch(Exception e){

	        	e.printStackTrace();

	        }



	        return content.toString();

	    }