JXL导入功能

	File file=new File(fileName);
		List<String> list = new ArrayList<String>();
//得到 workbook
		Workbook book = Workbook.getWorkbook(file);
//工作表个数
		int sheetCount = book.getNumberOfSheets();
		for(int i = 0; i < sheetCount; i++){
////这里获取每一个sheet的值
			Sheet sheet = book.getSheet(i);
			int rows = sheet.getRows();//查看sheet的行
			int columns = sheet.getColumns();//查看sheet的列
			for(int r = 0; r < rows; r ++){
				String s = "";
				for(int c = 0; c < columns; c++){
					String temp = sheet.getCell(c, r).getContents();//将单元格的每行内容用￥隔开
					s = s + (temp==null?" ":temp.trim()) + "￥";
				}
				if(s.endsWith("￥")){
					s = s.substring(0, s.length()-1);
				}
				list.add(s);
			}
		}
		return list;