POI 讀取EXCEL

/**
* 獲取單元格數值
* 
* @param cell
* @return
*/
private String getCellValue(Cell cell) {

String cellValue = "";

DecimalFormat df = new DecimalFormat("#.00");

switch (cell.getCellType()) {

case HSSFCell.CELL_TYPE_STRING:
cellValue = cell.getRichStringCellValue().getString().trim();
break;
case HSSFCell.CELL_TYPE_NUMERIC:
cellValue = df.format(cell.getNumericCellValue()).toString();
break;
case HSSFCell.CELL_TYPE_BOOLEAN:
cellValue = String.valueOf(cell.getBooleanCellValue()).trim();
break;
case HSSFCell.CELL_TYPE_FORMULA:
cellValue = cell.getCellFormula();
break;
default:
cellValue = "";
}

return cellValue;
}