增加公共访问的acl参数

src/main/java/com/sczx/store/service/impl/OssServiceImpl.java

@@ -71,6 +71,11 @@ public class OssServiceImpl implements OssService {
             conditions.add(startsWithCondition);
         }
 
+        // 添加 ACL 条件，设置上传文件为公共读
+        Map<String, String> aclCondition = new HashMap<>();
+        aclCondition.put("x-oss-object-acl", "public-read");
+        conditions.add(aclCondition);
+
         policyMap.put("conditions", conditions);
         return policyMap;
     }