Return Non Blank Cells from a Range in Excel (3 Suitable Ways) How to Leave Cell Blank If There Is No Data in Excel (5 Ways) How to Make Empty Cells Blank in Excel (3 Methods) How to Deal with Blank Cells That Are Not Really Blank in Excel (4 Ways) How to Find Blank Cells in...
Worksheets("Empty Cell").Range("B9") 'check if cell is empty. Depending on result, display message box indicating whether cell is empty (True) or not empty (False) If IsEmpty(myCell) Then MsgBox myCell.Address & " is empty" Else MsgBox myCell.Address & " is not empty" End If ...
//判断单个单元格是否为空 public static boolean isEmptyCell(Cell cell){ return cell == null; } 1. 2. 3. 4. ⚠️:cell.getCellType()和getCellTypeEnum()已经过时 对于空单元格使用cell.getCellType().equals(CellType.BLANK)判断,也是会抛异常的 2.设置单元格格式,再获取数据 cell.setCellType...
/*** 获取单元格的数据,暂时不支持公式*/public static String getCellValue(Cell cell) {if (cell == null) {return null;}CellType cellType = cell.getCellTypeEnum();String cellValue = "";if (cell == null || cell.toString().trim().equals("")) {return null;} else if (cellType ==...
102 /// 103 /// <returns></returns> 104 private static string GetCellValue(ICell cell) 105 { 106 if (cell == null) 107 return string.Empty; 108 switch (cell.CellType) 109 { 110 case CellType.Blank: //空数据类型 这里类型注意一下,不同版本NPOI大小写可能不一样,有的版本是Blank(首...
Formula to Check IF a Cell is Blank or Not (Empty) First, in cell B1, enter IF in the cell. Now, in the first argument, enter the ISBLANK and refer to cell A1 and enter the closing parentheses. Next, in the second argument, use the “Blank” value. ...
indexOf('女') != -1) { return 1; } return 2; } /** * 写数据到excel里面 * @param context * @return */ @Override public WriteCellData<?> convertToExcelData(WriteConverterContext<Integer> context) { Integer value = context.getValue(); if (Objects.equals(value, 0)) { return...
(IOException e){// 处理文件读取过程中可能出现的异常e.printStackTrace();}}// 辅助方法:根据单元格类型获取单元格的值privatestaticStringgetCellValue(Cell cell){DataFormatter formatter=newDataFormatter();// 创建一个格式化对象,用于处理各种数据类型returnformatter.formatCellValue(cell);// 返回格式化后的...
原因是由于导出的数据比较大量,大概有10w行 * 50列,由于后台直接用XSSFWorkbook导出,在导出结束前内存有大量的Row,Cell,Style等,以及基于XLSX底层存储的XML对象没有被释放。 Excel的存储格式 下面的优化内容涉及Excel的底层存储格式,所以要先跟大家讲一下。
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