飞行记录导出

linwei

2026-01-22 96bf08dd37232c61974d7f00f074eed2687e39c8

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package org.sxkj.fw.utils;
 
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import org.springblade.core.excel.util.ExcelUtil;
 
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.List;
 
public class JaExcelUtil extends ExcelUtil {
 
    /**
     * 导出多个sheet到Excel文件
     * @param response HTTP响应对象
     * @param fileName 文件名
     * @param sheetDataMap 包含sheet名称和对应数据列表的映射
     * @param clazz 数据类型对应的类
     */
    public static <T> void exportMultipleSheets(HttpServletResponse response, String fileName,
                                                java.util.Map<String, List<T>> sheetDataMap, Class<T> clazz) throws IOException {
        try {
            response.setContentType("application/vnd.ms-excel");
            response.setCharacterEncoding(StandardCharsets.UTF_8.name());
            fileName = URLEncoder.encode(fileName, StandardCharsets.UTF_8.name());
            response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
 
            ExcelWriter excelWriter = null;
            try {
                excelWriter = EasyExcel.write(response.getOutputStream(), clazz).build();
                int sheetIndex = 0;
                for (java.util.Map.Entry<String, List<T>> entry : sheetDataMap.entrySet()) {
                    String sheetName = entry.getKey();
                    List<T> dataList = entry.getValue();
                    if (dataList != null && !dataList.isEmpty()) {
                        com.alibaba.excel.write.metadata.WriteSheet writeSheet = EasyExcel.writerSheet(sheetIndex++, sheetName).build();
                        excelWriter.write(dataList, writeSheet);
                    }
                }
            } finally {
                if (excelWriter != null) {
                    excelWriter.finish();
                }
            }
        } catch (Throwable $ex) {
            throw $ex;
        }
    }
}