【fix sonar】SysDictController文件

jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysDictController.java

@@ -466,7 +466,7 @@ public class SysDictController {
 
 
 	@PostMapping(value = "/importExcel")
-	public Result importExcel(HttpServletRequest request, HttpServletResponse response) {
+	public Result<T> importExcel(HttpServletRequest request, HttpServletResponse response) {
  		MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
 		Map<String, MultipartFile> fileMap = multipartRequest.getFileMap();
 		for (Map.Entry<String, MultipartFile> entity : fileMap.entrySet()) {
@@ -510,16 +510,20 @@ public class SysDictController {
 				log.error(e.getMessage(),e);
 				return Result.error("文件导入失败:"+e.getMessage());
 			} finally {
-				try {
+				fileClose(file);
-					file.getInputStream().close();
-				} catch (Exception e) {
-					e.printStackTrace();
-				}
 			}
 		}
 		return Result.error("文件导入失败！");
 	}
 
+	private void fileClose(MultipartFile file) {
+		try {
+			file.getInputStream().close();
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
+
 
 	/**
 	 * 查询被删除的列表