Java将集合导出到Excel

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

import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;

public class ExcelExporter {
    public static void export(List<Object[]> data, String filePath) {
        try (Workbook workbook = new XSSFWorkbook()) {
            Sheet sheet = workbook.createSheet("Sheet1");

            int rowNum = 0;
            for (Object[] rowData : data) {
                Row row = sheet.createRow(rowNum++);
                int colNum = 0;
                for (Object field : rowData) {
                    Cell cell = row.createCell(colNum++);
                    if (field instanceof String) {
                        cell.setCellValue((String) field);
                    } else if (field instanceof Integer) {
                        cell.setCellValue((Integer) field);
                    } else if (field instanceof Double) {
                        cell.setCellValue((Double) field);
                    }
                }
            }

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