使用Apache POI编辑现有Excel文件后，使用单元格的公式将消失

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

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

public class ExcelEditor {
    public static void main(String[] args) {
        try {
            // 读取Excel文件
            FileInputStream file = new FileInputStream("path/to/excel.xlsx");
            Workbook workbook = new XSSFWorkbook(file);
            Sheet sheet = workbook.getSheetAt(0);

            // 编辑单元格
            Row row = sheet.getRow(0);
            Cell cell = row.getCell(0);
            cell.setCellValue(10);

            // 重新计算公式
            FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
            evaluator.evaluateAll();

            // 保存修改后的Excel文件
            FileOutputStream outFile = new FileOutputStream("path/to/edited_excel.xlsx");
            workbook.write(outFile);
            outFile.close();

            System.out.println("Excel文件编辑完成。");

        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}