excel导入如果是数字类型的poi的cell.getStringCellValue()会报错

excel如果导入是数字类型poi的cell.getStringCellValue()会报错，先将cell转化为文本类型，然后读取

Cell numCell = row.getCell(0); if(numCell != null){     numCell.setCellType(Cell.CELL_TYPE_STRING); } String cellValue = numCell.getStringCellValue();