Java POI读取excel中数值精度损失问题解决

public class CommonUtil {

  private static NumberFormat numberFormat = NumberFormat.getNumberInstance();

  static {
    numberFormat.setGroupingUsed(false);
  }

  public static String getCellValue(Cell cell) {
    if (null == cell) {
      return "";
    }
    Object value;
    switch (cell.getCellTypeEnum()) {
      // 省略
      case NUMERIC:
        double d = cell.getNumericCellValue();  
        value = numberFormat.format(d);    // 关键在这里！
      //省略 
    }
    return value == null ? "" : value.toString();
  }
}