修改bug

src/main/java/com/iden/bms/service/CameraService.java

@@ -199,7 +199,8 @@ public class CameraService {
 
         InputStream excelTemplateIs = null;
         try {
-            //response.reset(); // 非常重要
+            response.reset(); // 非常重要
+            response.addHeader("Access-Control-Allow-Origin",  "*");
             response.setContentType("application/vnd.ms-excel");
             response.setCharacterEncoding("utf-8");
             final String fileName = URLEncoder.encode("Camera", "UTF-8");