可以使用以下代码对xlsx文件的单元格进行日期筛选:
// 读取xlsx文件
XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream("file.xlsx"));
// 获取sheet
XSSFSheet sheet = workbook.getSheetAt(0);
// 创建日期过滤器
XSSFRow row = sheet.getRow(0);
XSSFCell cell = row.createCell(1);
cell.setCellValue("2019-01-01"); // 设置开始日期
cell.setCellStyle(createDateCellStyle(workbook)); // 设置日期单元格格式
cell = row.createCell(2);
cell.setCellValue("2019-01-04"); // 设置结束日期
cell.setCellStyle(createDateCellStyle(workbook)); // 设置日期单元格格式
XSSFTable table = sheet.createTable(); // 创建表格
XSSFTableColumn[] columns = new XSSFTableColumn[1];
columns[0] = table.getColumns().get(0);
CTTable cttable = table.getCTTable();
CTTableStyleInfo styleInfo = cttable.addNewTableStyleInfo();
styleInfo.setName("TableStyleMedium2");
styleInfo.setShowColumnStripes(false);
styleInfo.setShowRowStripes(true);
// 将单元格转换为Java日期类型
for (int i = 1; i <= row.getLastCellNum(); i++) {
CellStyle dateCellStyle = createDateCellStyle(workbook);
XSSFCell dateCell = row.getCell(i);
if (dateCell != null && dateCellStyle.getDataFormatString().equals(dateCell.getCellStyle().getDataFormatString())) {
Date javaDate = DateUtil.getJavaDate(dateCell.getNumericCellValue());
dateCell.setCellValue(javaDate);
}
}
// 调用Excel分列函数,以将日期筛选器应用于整个列
CTTableColumns ctColumns = cttable.getTableColumns();
ctColumns.setCount(columns.length);
for (int i = 0; i < columns.length; i++) {
XSSFTableColumn column = columns[i];
CTTableColumn ctColumn = ctColumns.addNewTableColumn();
ctColumn.setName(column.getName());
ctColumn.setId(column.getId());
}
CTAutoFilter autoFilter = cttable.addNew