poi 读取数据处理方式

poi读取数据的时候空格，字符数据，数字类型数据处理方式

logger.info("============ExeclReader.readExeclToMapList() begin===========");
		try {
			for (int i = st.getFirstRowNum(); i <= st.getLastRowNum(); i++) {
				row=st.getRow(i);
				List<HashMap<String, String>> rowMap = new ArrayList<HashMap<String,String>>();
				for (int j = row.getFirstCellNum(); j < row.getLastCellNum(); j++) {
					HashMap<String,String> cellMap = new HashMap<String, String>();
					cellMap.put("rowNum", String.valueOf(i+1));
					cellMap.put("ColumnNum", String.valueOf(j+1));
					//if(row.getCell(j).getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
					//	cellMap.put("val", String.valueOf((int)Math.floor(row.getCell(j).getNumericCellValue())));
					//}else{
					   	if(row.getCell((short) j).getCellType() == HSSFCell.CELL_TYPE_NUMERIC){
					   		BigDecimal bd = new BigDecimal(row.getCell((short) j).getNumericCellValue());
					   		String val= bd.toPlainString();
					   		 if(val.indexOf(".0") > 0){
					   			val = val.substring(0,val.indexOf(".0")).trim();
					   		 }
					   		cellMap.put("val", val);
					   	}else{
					   		cellMap.put("val", StringUtil.trim(row.getCell((short)j)==null?"":row.getCell((short)j).getStringCellValue()));
					   	}
						
					//}
					rowMap.add(cellMap);
				}
				dataMap.add(rowMap);
			}
		} catch (Exception e) {
			e.printStackTrace();
			throw new Exception("读取execl 数据异常,请检查!!!");
		}
		logger.info("============ExeclReader.readExeclToMapList() end===========");