无法使用Apache POI在Excel中写入空行

import org.apache.poi.ss.usermodel.*;
import org.apache.poi.xssf.usermodel.*;

import java.io.FileOutputStream;
import java.io.IOException;

public class ExcelWriter {
    public static void main(String[] args) {
        String filePath = "path_to_your_excel_file.xlsx";
        String sheetName = "Sheet1";

        try (Workbook workbook = new XSSFWorkbook(filePath)) {
            Sheet sheet = workbook.getSheet(sheetName);

            // Shift existing rows to make space for the empty row
            sheet.shiftRows(2, sheet.getLastRowNum(), 1, true, false);

            // Create a new empty row at the desired position
            Row newRow = sheet.createRow(2);

            // Optional: Write data to the empty row
            Cell cell = newRow.createCell(0);
            cell.setCellValue("This is an empty row");

            try (FileOutputStream fos = new FileOutputStream(filePath)) {
                workbook.write(fos);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}