!210 优化：OSS文件上传，主动设置文件公共读，适配天翼云OSS

Merge pull request !210 from JaneYork/dev

ruoyi-oss/src/main/java/com/ruoyi/oss/core/OssClient.java

@@ -94,7 +94,9 @@ public class OssClient {
             ObjectMetadata metadata = new ObjectMetadata();
             metadata.setContentType(contentType);
             metadata.setContentLength(inputStream.available());
-            client.putObject(new PutObjectRequest(properties.getBucketName(), path, inputStream, metadata));
+            PutObjectRequest putObjectRequest = new PutObjectRequest(properties.getBucketName(), path, inputStream, metadata);
+            putObjectRequest.setCannedAcl(CannedAccessControlList.PublicRead);//设置上传对象的Acl为公共读，私有写
+            client.putObject(putObjectRequest);
         } catch (Exception e) {
             throw new OssException("上传文件失败，请检查配置信息:[" + e.getMessage() + "]");
         }