微调

njcn-springboot/spingboot2.3.12/src/main/java/com/njcn/web/utils/ExcelUtil.java

@@ -2,6 +2,7 @@ package com.njcn.web.utils;
 
 import cn.afterturn.easypoi.excel.ExcelExportUtil;
 import cn.afterturn.easypoi.excel.entity.ExportParams;
+import cn.afterturn.easypoi.excel.entity.enmus.ExcelType;
 import cn.hutool.core.util.CharsetUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.poi.ss.usermodel.Workbook;
@@ -11,6 +12,8 @@ import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.net.URLEncoder;
 import java.util.Collection;
+import java.util.List;
+import java.util.Map;
 
 /**
  * @author caozehui
@@ -59,4 +62,24 @@ public class ExcelUtil {
             log.error(">>> 导出数据异常：{}", e.getMessage());
         }
     }
+
+    /**
+     * 指定名称、sheet名（多个sheet）、数据（多组数据）下载报表
+     *
+     * @param fileName   文件名
+     * @param sheetsList
+     */
+    public static void exportExcel(String fileName, List<Map<String, Object>> sheetsList) {
+        HttpServletResponse response = HttpServletUtil.getResponse();
+        try (ServletOutputStream outputStream = response.getOutputStream()) {
+            fileName = URLEncoder.encode(fileName, CharsetUtil.UTF_8);
+            response.reset();
+            response.setHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
+            response.setContentType("application/octet-stream;charset=UTF-8");
+            Workbook workbook = ExcelExportUtil.exportExcel(sheetsList, ExcelType.HSSF);
+            workbook.write(outputStream);
+        } catch (IOException e) {
+            log.error(">>> 导出数据异常：{}", e.getMessage());
+        }
+    }
 }