使用不同颜色的Apache POI填充单个单元格的颜色

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

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

public class ApachePOIColorExample {
    public static void main(String[] args) {
        try (Workbook workbook = new XSSFWorkbook()) {
            Sheet sheet = workbook.createSheet("Sheet1");
            Row row = sheet.createRow(0);
            Cell cell = row.createCell(0);
            
            CellStyle cellStyle = workbook.createCellStyle();
            cellStyle.setFillForegroundColor(IndexedColors.RED.getIndex());
            cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
            
            cell.setCellStyle(cellStyle);
            
            try (FileOutputStream outputStream = new FileOutputStream("output.xlsx")) {
                workbook.write(outputStream);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}