添加导出方法

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

@@ -73,6 +73,28 @@ public class ExcelUtil {
         }
     }
 
+    /**
+     * 指定名称、sheet名、title名、数据下载报表
+     *
+     * @param fileName 文件名
+     */
+    public static void exportExcel(String fileName, String sheetName, String title, Class<?> pojoClass, Collection<?> dataSet) {
+        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");
+            ExportParams exportParams = new ExportParams();
+            exportParams.setSheetName(sheetName);
+            exportParams.setTitle(title);
+            Workbook workbook = ExcelExportUtil.exportExcel(exportParams, pojoClass, dataSet);
+            workbook.write(outputStream);
+        } catch (IOException e) {
+            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
      *
@@ -191,9 +213,9 @@ public class ExcelUtil {
     }
 
     /**
-     * @Description:
      * @param workbook
      * @param firstCol
+     * @Description:
      * @Author: wr
      * @Date: 2024/8/20 10:44
      */