feat:导入流释放

ruoyi-admin/src/main/java/com/ruoyi/web/controller/exam/QuController.java

@@ -15,6 +15,7 @@ import com.ruoyi.web.controller.manager.QuManager;
 import com.ruoyi.web.controller.manager.RepoManager;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
+import org.apache.commons.compress.utils.IOUtils;
 import org.apache.commons.compress.utils.Lists;
 import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
 import org.apache.shiro.authz.annotation.RequiresPermissions;
@@ -27,6 +28,7 @@ import org.springframework.web.multipart.MultipartFile;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.io.InputStream;
 import java.util.Arrays;
 import java.util.List;
 
@@ -192,8 +194,10 @@ public class QuController extends BaseController {
     @ResponseBody
     @PostMapping( "/import")
     public AjaxResult importFile(@RequestParam("file") MultipartFile file) {
+        InputStream inputStream = null;
         try {
-            ImportExcel ei = new ImportExcel(file, 1, 0);
+            inputStream = file.getInputStream();
+            ImportExcel ei = new ImportExcel(file,inputStream, 1, 0);
             List<QuExportDTO> list = ei.getDataList(QuExportDTO.class);
             // 导入数据条数
             quManager.importExcel(list);
@@ -201,6 +205,8 @@ public class QuController extends BaseController {
             return success("导入成功");
         } catch (IOException | InvalidFormatException | IllegalAccessException | InstantiationException e) {
             logger.info(e.getMessage());
+        }finally {
+            IOUtils.closeQuietly(inputStream);
         }
         return error("导入失败");
     }

ruoyi-common/src/main/java/com/ruoyi/common/utils/excel/ImportExcel.java

@@ -61,9 +61,9 @@ public class ImportExcel {
      * @throws InvalidFormatException
      * @throws IOException
      */
-    public ImportExcel(MultipartFile multipartFile, int headerNum, int sheetIndex)
+    public ImportExcel(MultipartFile multipartFile,InputStream inputStream, int headerNum, int sheetIndex)
             throws InvalidFormatException, IOException {
-        this(multipartFile.getOriginalFilename(), multipartFile.getInputStream(), headerNum, sheetIndex);
+        this(multipartFile.getOriginalFilename(), inputStream, headerNum, sheetIndex);
     }
 
     /**