优化文件获取异常处理

xtools-app-sys/xtools-app-sys-file-web/src/main/java/xtools/app/sys/file/web/controller/SysCommonFileController.java

@@ -21,6 +21,7 @@ import xtools.core.extend.TemplateUtils;
 import java.io.IOException;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.util.Objects;
 
 /**
  * <p>Title : SysCommonFileController</p>
@@ -51,7 +52,7 @@ public class SysCommonFileController {
     ) {
         try (ServletOutputStream outputStream = response.getOutputStream()) {
             response.setHeader("Cache-Control", "max-age=604800");
-            sysFileOptService.download(id, outputStream, new SysFileDownloadCallback() {
+            SysFileResp resp = sysFileOptService.download(id, outputStream, new SysFileDownloadCallback() {
                 @Override
                 public boolean before(SysFileResp fileInfo) {
                     // 判断文件权限
@@ -67,6 +68,9 @@ public class SysCommonFileController {
                     return true;
                 }
             });
+            if (Objects.isNull(resp)) {
+                log.warn("文件获取失败,id={}",  id);
+            }
         } catch (IOException e) {
             log.error("文件下载失败", e);
             throw new BizError("文件下载失败");